Here Are The Problems You May Need

ID	Title	Source
1001	A+B	Unknown
1002	A+B+C	Unknown
1003	Mixing Milk	Unknown
1004	Prime Palindromes	USACO Gateway
1005	Fast Food	Unknown
1006	Weird Clock	ZJU
1007	SPF	Unknown
1008	How many N	xy
1009	Fat Cat	xiong
1010	The Angle	Worldguy
1011	UNIX ls	ACM ICPC South Central USA 1995
1012	Decoding Task	Unknown
1013	Just The Facts	ACM ICPC South Central USA 1997
1014	Niven Numbers	Unknown
1015	Nearly prime numbers	Unknown
1016	Joseph's problem I	Unknown
1017	Joseph's problem II	ACM ICPC Central European Regional 1995
1018	Multiple	ACM ICPC Southeastern European Regional 2000
1019	Grandpa's Other Estate	ACM ICPC Tehran Regional Contest 2002
1020	Afshung Pizza Delivery	ACM ICPC Tehran Regional Contest 2002
1021	Housing Complexes	ACM ICPC Tehran Regional Contest 2002
1022	Spacecraft Malfunction	ACM ICPC Tehran Regional Contest 2002
1023	Blue x Red = Bang	ACM ICPC Tehran Regional Contest 2002
1024	JaWs	ACM ICPC Tehran Regional Contest 2002
1025	Skew Binary	ACM ICPC Tehran Regional Contest 2002
1026	Run Away	ACM ICPC Central European Regional 1999
1027	Equipment Box	ACM ICPC Central European Regional 1999
1028	Secret Code	ACM ICPC Central European Regional 1999
1029	The Proper Key	ACM ICPC Central European Regional 1999
1030	Labyrinth	ACM ICPC Central European Regional 1999
1031	Piggy-Bank	ACM ICPC Central European Regional 1999
1032	Lifting the Stone	ACM ICPC Central European Regional 1999
1033	Play on Words	ACM ICPC Central European Regional 1999
1034	Simple Arithmetics	ACM ICPC Central European Regional 2000
1035	The Bulk	ACM ICPC Central European Regional 2000
1036	Complete the sequence!	ACM ICPC Central European Regional 2000
1037	Direct Visibility	ACM ICPC Central European Regional 2000
1038	Complicated Expressions	ACM ICPC Central European Regional 2000
1039	Factorial	ACM ICPC Central European Regional 2000
1040	The Game of Master-Mind	ACM ICPC Central European Regional 2000
1041	HotLine	ACM ICPC Central European Regional 2000
1042	I-KeyBoard	ACM ICPC Central European Regional 2000
1043	Maya Calendar	ACM ICPC Central European Regional 1995
1044	Transportation	ACM ICPC Central European Regional 1995
1045	John's trip	ACM ICPC Central European Regional 1995
1046	Pipe	ACM ICPC Central European Regional 1995
1047	Department	ACM ICPC Central European Regional 1995
1048	Cipher	ACM ICPC Central European Regional 1995
1049	Sticks	ACM ICPC Central European Regional 1995
1050	Moving Object Recognition	ACM ICPC Beijing Regional Contest 2002
1051	Random Walk	ACM ICPC Beijing Regional Contest 2002
1052	Radar Installation	ACM ICPC Beijing Regional Contest 2002
1053	Holedox Moving	ACM ICPC Beijing Regional Contest 2002
1054	Game Prediction	ACM ICPC Beijing Regional Contest 2002
1055	Chocolate	ACM ICPC Beijing Regional Contest 2002
1056	Machine Schedule	ACM ICPC Beijing Regional Contest 2002
1057	Mileage Bank	ACM ICPC Beijing Regional Contest 2002
1058	Number Triangles	USACO Gateway
1059	Shaping Regions	USACO Gateway
1060	e-present for wolfshow	wywcgs & fishcanfly
1061	Fat Cat's cousin II	Unknown
1062	数列极差问题	Unknown
1063	Tree I	Unknown
1064	Tree II	Unknown
1065	Entropy	ACM ICPC Greater New York 2000
1066	Substrings	ACM ICPC Tehran 2002 Preliminery Contest
1067	Rails	ACM ICPC Central European Regional 1997
1068	King	ACM ICPC Central European Regional 1997
1069	Prime Land	ACM ICPC Central European Regional 1997
1070	Word	ACM ICPC Central European Regional 1997
1071	Time	ACM ICPC Central European Regional 1997
1072	Puzzle	ACM ICPC Central European Regional 1997
1073	Append	ACM ICPC Central European Regional 1997
1074	Gossiping	ACM ICPC Central European Regional 1997
1075	The Castle	IOI 1994
1076	Ordered Fractions	Unknown
1077	Synchronous Design	UVA - V1
1078	u Calculate e	ACM ICPC Greater New York 2000
1079	Problem Bee	ACM ICPC Greater New York 2000
1080	Digital Roots	ACM ICPC Greater New York 2000
1081	Scramble Sort	ACM ICPC Greater New York 2000
1082	A Well-Formed Problem	ACM ICPC Greater New York 2000
1083	N-Credible Mazes	ACM ICPC Greater New York 2000
1084	Booklet Printing	ACM ICPC Mid-Central USA 1998
1085	Finding Rectangles	ACM ICPC Mid-Central USA 1998
1086	Don't Get Rooked	ACM ICPC Mid-Central USA 1998
1087	Self Numbers	ACM ICPC Mid-Central USA 1998
1088	Do the Untwist	ACM ICPC Mid-Central USA 1998
1089	Word Amalgamation	ACM ICPC Mid-Central USA 1998
1090	The Staircases	Unknown
1091	Tin Cutter	ACM ICPC Central European Regional 1996
1092	Forcal	ACM ICPC Central European Regional 1996
1093	L-system	ACM ICPC Central European Regional 1996
1094	Packets	ACM ICPC Central European Regional 1996
1095	Crosswords	ACM ICPC Central European Regional 1996
1096	Intervals	ACM ICPC Central European Regional 1996
1097	Robot	ACM ICPC Central European Regional 1996
1098	NetWork	ACM ICPC Central European Regional 1996
1099	Lining Up	ACM ICPC East Central North America 1994
1100	Simply Syntax	ACM ICPC East Central North America 1994
1101	TEX Quotes	ACM ICPC East Central North America 1994
1102	Jack Straws	ACM ICPC East Central North America 1994
1103	Cat and Mouse	ACM ICPC East Central North America 1994
1104	Expanding Fractions	ACM ICPC East Central North America 1994
1105	Egyptian Multiplication	ACM ICPC East Central North America 1994
1106	Cabinets	ACM ICPC East Central North America 1994
1107	Prime Cuts	ACM ICPC South Central USA 1996
1108	Gears on a Board	ACM ICPC South Central USA 1996
1109	Uniform Generator	ACM ICPC South Central USA 1996
1110	Excuses, Excuses!	ACM ICPC South Central USA 1996
1111	Station Balance(not ready)	ACM ICPC South Central USA 1996
1112	Centipede Collisions	ACM ICPC South Central USA 1996
1113	Stockbroker Grapevine	ACM ICPC South African Regional 2001
1114	Frame Stacking	ACM ICPC South African Regional 2001
1115	Channel Allocation	ACM ICPC South African Regional 2001
1116	Alien Security	ACM ICPC South African Regional 2001
1117	Octal Fractions	ACM ICPC South African Regional 2001
1118	Cracking the Code(not ready)	ACM ICPC South African Regional 2001
1119	Atlantis	ACM ICPC Mid-Central European 2000
1120	Cog-Wheels	ACM ICPC Mid-Central European 2000
1121	Erdos Numbers	ACM ICPC Mid-Central European 2000
1122	Number Game	ACM ICPC Mid-Central European 2000
1123	Ouroboros Snake	ACM ICPC Mid-Central European 2000
1124	Fold-up Patterns	ACM ICPC Mid-Central European 2000
1125	Railroad	ACM ICPC Mid-Central European 2000
1126	Smith Numbers	ACM ICPC Mid-Central European 2000
1127	DNA Translation	ACM ICPC Mid-Central USA 1995
1128	Perfect Cubes	ACM ICPC Mid-Central USA 1995
1129	A Puzzling Problem	ACM ICPC Mid-Central USA 1995
1130	Galactic Import	ACM ICPC Mid-Central USA 1995
1131	Basically Speaking	ACM ICPC Mid-Central USA 1995
1132	Letter Sequence Analysis	ACM ICPC Mid-Central USA 1995
1133	Mark-up	ACM ICPC Mid-Central USA 1995
1134	Maze	ACM ICPC Mid-Central European 1999
1135	Data Bugs	ACM ICPC Mid-Central European 1999
1136	Robbery	ACM ICPC Mid-Central European 1999
1137	Dreisam Equations(not ready)	ACM ICPC Mid-Central European 1999
1138	LC-Display	ACM ICPC Mid-Central European 1999
1139	Formatting Text	ACM ICPC Mid-Central European 1999
1140	The Game	ACM ICPC Mid-Central European 1999
1141	Dividing up	ACM ICPC Mid-Central European 1999
1142	S-Trees	ACM ICPC Mid-Central European 1999
1143	Area	ACM ICPC Northwestern European Regional 2001
1144	Ambiguous Dates	ACM ICPC Northwestern European Regional 2001
1145	Cog-Wheels 2(not ready)	ACM ICPC Northwestern European Regional 2001
1146	Cube	ACM ICPC Northwestern European Regional 2001
1147	Enigma	ACM ICPC Northwestern European Regional 2001
1148	Gridland	ACM ICPC Northwestern European Regional 2001
1149	T9	ACM ICPC Northwestern European Regional 2001
1150	Number Game 2	ACM ICPC Northwestern European Regional 2001
1151	Signal Box	ACM ICPC Northwestern European Regional 2001
1152	The Blocks Problem	UVA - V1
1153	Ecological Bin Packing	UVA - V1
1154	The Skyline Problem	UVA - V1
1155	国家利益	bailey
1156	The Cat in the Hat	UVA - V1
1157	SCUD Busters	UVA - V1
1158	History Grading	UVA - V1
1159	Tree Summing	UVA - V1
1160	Power of Cryptography	UVA - V1
1161	Simulation Wizardry	UVA - V1
1162	Climbing Trees	UVA - V1
1163	Unidirectional TSP	UVA - V1
1164	The Postal Worker Rings Once	UVA - V1
1165	Mutant Flatworld Explorers	UVA - V1
1166	Greedy Gift Givers	UVA - V1
1167	Pipe Fitters	UVA - V1
1168	Trees on the level	UVA - V1
1169	Searching Quickly	UVA - V1
1170	Following Orders	UVA - V1
1171	Numbering Paths	UVA - V1
1172	The Errant Physicist	UVA - V1
1173	``Accordian'' Patience	UVA - V1
1174	Software CRC	UVA - V1
1175	Krypton Factor	UVA - V1
1176	Roman Roulette	UVA - V1
1177	The Psychic Poker Player	UVA - V1
1178	Bumpy Objects	UVA - V1
1179	The Dole Queue	UVA - V1
1180	Loglan-A Logical Language	UVA - V1
1181	Ugly Numbers	UVA - V1
1182	Polygons	UVA - V1
1183	Street Numbers	UVA - V1
1184	Telephone Tangles	UVA - V1
1185	Bandwidth	UVA - V1
1186	The Spot Game	UVA - V1
1187	Mouse Clicks	UVA - V1
1188	Orchard Trees	UVA - V1
1189	Student Grants	UVA - V1
1190	Gondwanaland Telecom	UVA - V1
1191	ID Codes	UVA - V1
1192	Dollars	UVA - V1
1193	Anagram checker	UVA - V1
1194	Forests	UVA - V1
1195	Double Time	UVA - V1
1196	Power Crisis	UVA - V1
1197	Tree's a Crowd	UVA - V1
1198	Permalex	UVA - V1
1199	Recycling	UVA - V1
1200	All Squares	UVA - V1
1201	Ananagrams	UVA - V1
1202	Route Finding	UVA - V1
1203	Calendar	UVA - V1
1204	Word Crosses	UVA - V1
1205	Factors and Factorials	UVA - V1
1206	Traffic Lights	UVA - V1
1207	Beggar My Neighbour	UVA - V1
1208	City Directions	UVA - V1
1209	Cola	HCPC Warmup
1210	Freeip	HCPC Warmup
1211	HIT's Powerstation	HCPC Warmup
1212	Area of Overlap	HCPC Warmup
1213	Path	HCPC Warmup
1214	Fibonacci Coding	HCPC Warmup
1215	Health Power	HCPC Warmup
1216	Where's the Marble	Sino
1217	Tango Tango Insurrection	Waterloo ACM Programming Contest Jan 31, 2004
1218	Advanced Causal Measurements	Waterloo ACM Programming Contest Jan 31, 2004
1219	A Flea on a Chessboard	Waterloo ACM Programming Contest Jan 31, 2004
1220	Jack and Jill	Waterloo ACM Programming Contest Jan 31, 2004
1221	Perfect Pth Powers	Waterloo ACM Programming Contest Jan 31, 2004
1222	Delta Encoding and Decoding	ACM ICPC Southeastern Europe Regional 2003
1223	Hidden Password	ACM ICPC Southeastern Europe Regional 2003
1224	Crazy Tea Party	ACM ICPC Southeastern Europe Regional 2003
1225	Supermarket	ACM ICPC Southeastern Europe Regional 2003
1226	Lord of the Ring	ACM ICPC Southeastern Europe Regional 2003
1227	Common Subsequence	ACM ICPC Southeastern Europe Regional 2003
1228	Power Network	ACM ICPC Southeastern Europe Regional 2003
1229	Firefighters	ACM ICPC Southeastern Europe Regional 2003
1230	Binary Polynomials	ACM ICPC Southeastern Europe Regional 2003
1231	Stats	ACM ICPC South Central USA 1997
1232	Jugs	ACM ICPC South Central USA 1997
1233	Adam's Genes	ACM ICPC South Central USA 1997
1234	Hexagon	UVA - V3
1235	Stars	UVA - V3
1236	Domino Effect	UVA - V3
1237	Pendulum	UVA - V3
1238	Border	UVA - V3
1239	The New Villa(not ready)	UVA - V3
1240	Ships	UVA - V3
1241	Factorial Frequencies	UVA - V3
1242	Identifying Legal Pascal Real Constants	UVA - V3
1243	Extrapolation Using a Difference Table	UVA - V3
1244	Evaluating Simple C Expressions	UVA - V3
1245	The Finite State Text-Processing Machine	UVA - V3
1246	Inventory Maintenance	UVA - V3
1247	Perfection	UVA - V3
1248	Intersecting Lines	UVA - V3
1249	Optimal Array Multiplication Sequence	UVA - V3
1250	Hi-Q	UVA - V3
1251	Polynomial Showdown	UVA - V3
1252	The Doors	UVA - V3
1253	It's Ir-Resist-Able!	UVA - V3
1254	Mapmaker	UVA - V3
1255	Getting Chorded	UVA - V3
1256	Run, Run, Runaround Numbers	UVA - V3
1257	Board Silly	UVA - V3
1258	Top Dog	UVA - V3
1259	Equation Elation	UVA - V3
1260	18-Wheeler Caravans (aka Semigroups)	UVA - V3
1261	Transferable Voting	UVA - V3
1262	百万雄师过大江	UVA(modified)
1263	Crypto Columns	ACM ICPC East Central North America 2003
1264	Decorations	ACM ICPC East Central North America 2003
1265	EKG Sequence	ACM ICPC East Central North America 2003
1266	Phone Home	ACM ICPC East Central North America 2003
1267	Polly Nomials	ACM ICPC East Central North America 2003
1268	Pushing Boxes	ACM ICPC East Central North America 2003
1269	Squadtrees	ACM ICPC East Central North America 2003
1270	This Takes the Cake	ACM ICPC East Central North America 2003
1271	Biker's Trip Odometer	ACM ICPC Greater New York 2003
1272	Candy Sharing Game	ACM ICPC Greater New York 2003
1273	Peg Game	ACM ICPC Greater New York 2003
1274	Taxation With Representation Overdone	ACM ICPC Greater New York 2003
1275	It's Logical	ACM ICPC Greater New York 2003
1276	Obstructed Rook Circuits(not ready)	ACM ICPC Greater New York 2003
1277	Rhyme Schemes	ACM ICPC Greater New York 2003
1278	Fully Diversified Sequences of Sets	ACM ICPC Greater New York 2003
1279	Exocenter of a Triangle	ACM ICPC Greater New York 2003
1280	Unreliable Message	ACM ICPC Aizu(Japan) Regional Contest 2003
1281	Lagrange's Four-Square Theorem	ACM ICPC Aizu(Japan) Regional Contest 2003
1282	Area of Polygons(not ready)	ACM ICPC Aizu(Japan) Regional Contest 2003
1283	Weather Forecast(not ready)	ACM ICPC Aizu(Japan) Regional Contest 2003
1284	Molecular Formula	ACM ICPC Aizu(Japan) Regional Contest 2003
1285	Gap(not ready)	ACM ICPC Aizu(Japan) Regional Contest 2003
1286	Concert Hall Scheduling(not ready)	ACM ICPC Aizu(Japan) Regional Contest 2003
1287	Monster Trap(not ready)	ACM ICPC Aizu(Japan) Regional Contest 2003
1288	Bridging Signals	ACM ICPC Northwestern European Regional 2003
1289	Vase Collection	ACM ICPC Northwestern European Regional 2003
1290	Gladiators	ACM ICPC Northwestern European Regional 2003
1291	Who's the Boss?	ACM ICPC Northwestern European Regional 2003
1292	Subway Tree Systems	ACM ICPC Northwestern European Regional 2003
1293	Prison Rearrangement	ACM ICPC Northwestern European Regional 2003
1294	Sightseeing Tour	ACM ICPC Northwestern European Regional 2003
1295	A Number Game	ACM ICPC Northwestern European Regional 2003
1296	Big Number	ACM ICPC Dhaka Regional Contest 2002
1297	Special Experiment	ACM ICPC Guangzhou Regional Contest 2003
1298	Elevator Stopping Plan(not ready)	ACM ICPC Guangzhou Regional Contest 2003
1299	New Go Game	ACM ICPC Guangzhou Regional Contest 2003
1300	Outernet	ACM ICPC Guangzhou Regional Contest 2003
1301	Fold Paper Strips	ACM ICPC Guangzhou Regional Contest 2003
1302	Sum of Factorials	ACM ICPC Guangzhou Regional Contest 2003
1303	Task Sequences	ACM ICPC Guangzhou Regional Contest 2003
1304	Vivian's Problem	ACM ICPC Guangzhou Regional Contest 2003
1305	A Contesting Decision	ACM ICPC Mid-Atlantic USA 2003
1306	Which Way Do I Go?	ACM ICPC Mid-Atlantic USA 2003
1307	Choose Your Words Carefully	ACM ICPC Mid-Atlantic USA 2003
1308	A Round Peg in a Ground Hole	ACM ICPC Mid-Atlantic USA 2003
1309	Helping Florida	ACM ICPC Mid-Atlantic USA 2003
1310	Three Sides Make a Triangle	ACM ICPC Mid-Atlantic USA 2003
1311	High and Dry	ACM ICPC Mid-Atlantic USA 2003
1312	Reserve Roman Notation	ACM ICPC Mid-Atlantic USA 2003
1313	Calendar Game	ACM ICPC Taejon(S.Korea) Regional Contest 2001
1314	Wooden Sticks	ACM ICPC Taejon(S.Korea) Regional Contest 2001
1315	Modular multiplication of polynomials	ACM ICPC Taejon(S.Korea) Regional Contest 2001
1316	Human Gene Functions	ACM ICPC Taejon(S.Korea) Regional Contest 2001
1317	Flip and Shift	ACM ICPC Taejon(S.Korea) Regional Contest 2001
1318	Moving Tables	ACM ICPC Taejon(S.Korea) Regional Contest 2001
1319	Farmland	ACM ICPC Taejon(S.Korea) Regional Contest 2001
1320	Square Destroyer	ACM ICPC Taejon(S.Korea) Regional Contest 2001
1321	Parencodings	ACM ICPC Tehran(Iran) Regional Contest 2001
1322	The Bermuda Triagle	ACM ICPC Tehran(Iran) Regional Contest 2001
1323	Deformed Wheel	ACM ICPC Tehran(Iran) Regional Contest 2001
1324	Illusive Chase	ACM ICPC Tehran(Iran) Regional Contest 2001
1325	Puzzle Out	ACM ICPC Tehran(Iran) Regional Contest 2001
1326	The Willy Memorial Program	ACM ICPC Tehran(Iran) Regional Contest 2001
1327	Parallel Expectations	ACM ICPC Tehran(Iran) Regional Contest 2001
1328	University Entrace Examination	ACM ICPC Tehran(Iran) Regional Contest 2001
1329	You Who?	ACM ICPC South Central USA 1998
1330	Bowl	ACM ICPC South Central USA 1998
1331	Deck	ACM ICPC South Central USA 1998
1332	Eight	ACM ICPC South Central USA 1998
1333	Gizilch	ACM ICPC South Central USA 1998
1334	Ratio	ACM ICPC South Central USA 1998
1335	What's In A Name?	ACM ICPC East Central North America 2001
1336	Sorting It All Out	ACM ICPC East Central North America 2001
1337	Web Navigation	ACM ICPC East Central North America 2001
1338	Trees Made to Order	ACM ICPC East Central North America 2001
1339	Space Station Shielding	ACM ICPC East Central North America 2001
1340	Roads Scholar	ACM ICPC East Central North America 2001
1341	Robots	ACM ICPC East Central North America 2001
1342	Square Ice	ACM ICPC East Central North America 2001
1343	Triangle War	ACM ICPC East Central North America 1999
1344	Unscrambing Images	ACM ICPC East Central North America 1999
1345	A Plug for UNIX	ACM ICPC East Central North America 1999
1346	Treasure Hunt	ACM ICPC East Central North America 1999
1347	487-3279	ACM ICPC East Central North America 1999
1348	Biorhythms	ACM ICPC East Central North America 1999
1349	Gone Fishing	ACM ICPC East Central North America 1999
1350	Trooper of Bam	Tehran Sharif Local Contest 2001
1351	Mixed Numbers	Tehran Sharif Local Contest 2001
1352	Mystery	Tehran Sharif Local Contest 2001
1353	Terrorist Attack	Tehran Sharif Local Contest 2001
1354	Forgetful	Tehran Sharif Local Contest 2001
1355	Trains	Tehran Sharif Local Contest 2001
1356	Prime Judge	Unknown
1357	Calling Extraterrestrial Intelligence Again	ACM ICPC Kanazawa(Japan) Regional Contest 2002
1358	Equals are Equals	ACM ICPC Kanazawa(Japan) Regional Contest 2002
1359	GIGA Universe Cup	ACM ICPC Kanazawa(Japan) Regional Contest 2002
1360	Life Line	ACM ICPC Kanazawa(Japan) Regional Contest 2002
1361	Map of Ninja House	ACM ICPC Kanazawa(Japan) Regional Contest 2002
1362	Shredding Company	ACM ICPC Kanazawa(Japan) Regional Contest 2002
1363	True Liars	ACM ICPC Kanazawa(Japan) Regional Contest 2002
1364	Viva Confetti	ACM ICPC Kanazawa(Japan) Regional Contest 2002
1365	Digital Product	Unknown
1366	A Decorative Fence	CEOI 2002
1367	A Stone Game	Unknown
1368	Very Simple Arithmetic	L
1369	Billboard	Internet Problem Solving Contest 1999
1370	Candy	Internet Problem Solving Contest 1999
1371	食物链	NOI 2001
1372	方程的解数	NOI 2001
1373	Panel	Internet Problem Solving Contest 1999
1374	Rain	Internet Problem Solving Contest 1999
1375	K-In-A-Row	Internet Problem Solving Contest 2000
1376	Cake	Internet Problem Solving Contest 2000
1377	Find the Number!	Unknown
1378	Get Back!	Internet Problem Solving Contest 2000
1379	Puzzle	Internet Problem Solving Contest 2000
1380	Windy Office	Internet Problem Solving Contest 2000
1381	Colorful Cubes	Internet Problem Solving Contest 2000
1382	Candies	Internet Problem Solving Contest 2001
1383	Urvi Komu Urvi	Internet Problem Solving Contest 2001
1384	Palindrome Number	Unknown
1385	Pibonacci	Internet Problem Solving Contest 2001
1386	Gossipers	Internet Problem Solving Contest 2001
1387	Billiard	Waterloo ACM Programming Contest June 19, 1999
1388	The Brick Stops Here	Waterloo ACM Programming Contest June 19, 1999
1389	Election	Waterloo ACM Programming Contest June 19, 1999
1390	Maze	Waterloo ACM Programming Contest June 19, 1999
1391	Boastin' Red Socks	Waterloo ACM Programming Contest June 19, 1999
1392	Easy Task	ACM ICPC Central European Regional 2003
1393	Bundling	ACM ICPC Central European Regional 2003
1394	Shortcut	ACM ICPC Central European Regional 2003
1395	Dice Contest	ACM ICPC Central European Regional 2003
1396	November Rain	ACM ICPC Central European Regional 2003
1397	Football	ACM ICPC Central European Regional 2003
1398	Which is Next	ACM ICPC Central European Regional 2003
1399	Hang or not to hang	ACM ICPC Central European Regional 2003
1400	Minimizing Maximizer	ACM ICPC Central European Regional 2003
1401	Gigantic Sums	Unknown
1402	整数划分问题	Unknown
1403	Palindromes	ACM ICPC South Central USA 1995
1404	MAS*H	ACM ICPC South Central USA 1995
1405	Postscript	ACM ICPC South Central USA 1995
1406	Radar Scopes	ACM ICPC South Central USA 1995
1407	Message Routing	ACM ICPC South Central USA 1995
1408	Pi	ACM ICPC East Central North America 1995
1409	Up and Down Sequences	ACM ICPC East Central North America 1995
1410	Machined Surfaces	ACM ICPC East Central North America 1995
1411	Sunrise(spj not ready)	ACM ICPC East Central North America 1995
1412	LED Test	ACM ICPC East Central North America 1995
1413	Word Index	ACM ICPC East Central North America 1995
1414	Molecules	ACM ICPC East Central North America 1995
1415	Does This Make Me Look Fat?	ACM ICPC South Central USA 2001
1416	Manifest Destiny	ACM ICPC South Central USA 2001
1417	Treasure Hunters	ACM ICPC South Central USA 2001
1418	Frogger's For Dinner(not ready)	ACM ICPC South Central USA 2001
1419	Deeper Blue	ACM ICPC South Central USA 2001
1420	Get Out 'Da Way!(not ready)	ACM ICPC South Central USA 2001
1421	Missing Piece 2001(not ready)	ACM ICPC South Central USA 2001
1422	Asteroids!	ACM ICPC South Central USA 2001
1423	The Hardest Problem Ever	ACM ICPC South Central USA 2002
1424	Rubik's Cube Solver	ACM ICPC South Central USA 2002
1425	Polar Explorer	ACM ICPC South Central USA 2002
1426	Door Man	ACM ICPC South Central USA 2002
1427	The Umbrella Problem: 2054	ACM ICPC South Central USA 2002
1428	Blue Gene, Jr.	ACM ICPC South Central USA 2002
1429	Byte Me!	ACM ICPC South Central USA 2002
1430	World's Worst Bus Schedule	ACM ICPC South Central USA 2002
1431	Matching Meetings	ACM ICPC East Central North America 1996
1432	Supercomputer Selection, The Sequel	ACM ICPC East Central North America 1996
1433	Polygonal Puzzle	ACM ICPC East Central North America 1996
1434	Word-Search Wonder	ACM ICPC East Central North America 1996
1435	Integer Inquiry	ACM ICPC East Central North America 1996
1436	MPI Maelstrom	ACM ICPC East Central North America 1996
1437	Arbitrage	University of Ulm Internal Contest 1996
1438	The Tower of Babylon	University of Ulm Internal Contest 1996
1439	The Circumference of the Circle	University of Ulm Internal Contest 1996
1440	Knight Moves	University of Ulm Internal Contest 1996
1441	Eeny Meeny Moo	University of Ulm Internal Contest 1996
1442	Lotto	University of Ulm Internal Contest 1996
1443	Matrix Chain Multiplication	University of Ulm Internal Contest 1996
1444	Humble Numbers	University of Ulm Internal Contest 1996
1445	Addition Chains(spj not ready)	University of Ulm Internal Contest 1997
1446	Binomial Showdown	University of Ulm Internal Contest 1997
1447	Compromise	University of Ulm Internal Contest 1997
1448	Dungeon Master	University of Ulm Internal Contest 1997
1449	Equation Solver	University of Ulm Internal Contest 1997
1450	Frogger	University of Ulm Internal Contest 1997
1451	Globetrotter	University of Ulm Internal Contest 1997
1452	Tree Recovery	University of Ulm Internal Contest 1997
1453	Artificial Intelligence?	University of Ulm Internal Contest 1998
1454	Balancing Bank Accounts(spj not ready)	University of Ulm Internal Contest 1998
1455	The Settlers of Catan	University of Ulm Internal Contest 1998
1456	Team Queue	University of Ulm Internal Contest 1998
1457	Error Correction	University of Ulm Internal Contest 1998
1458	France '98	University of Ulm Internal Contest 1998
1459	Goldbach's Conjecture	University of Ulm Internal Contest 1998
1460	Heavy Cargo	University of Ulm Internal Contest 1998
1461	Advanced Fruits(spj not ready)	University of Ulm Internal Contest 1999
1462	Bee Maja	University of Ulm Internal Contest 1999
1463	Quadtree	University of Ulm Internal Contest 1999
1464	From Dusk Till Dawn	University of Ulm Internal Contest 1999
1465	Euro Cup 2000	University of Ulm Internal Contest 1999
1466	Friends	University of Ulm Internal Contest 1999
1467	Quadtree II	University of Ulm Internal Contest 1999
1468	HTML	University of Ulm Internal Contest 1999
1469	Anagram Groups	University of Ulm Internal Contest 2000
1470	Let it Bead	University of Ulm Internal Contest 2000
1471	Simple Computers	University of Ulm Internal Contest 2000
1472	Mondriaan's Dream	University of Ulm Internal Contest 2000
1473	Equidistance	University of Ulm Internal Contest 2000
1474	How Many Fibs?	University of Ulm Internal Contest 2000
1475	Phylogenetic Trees Inherited(spj not ready)	University of Ulm Internal Contest 2000
1476	Hike on a Graph	University of Ulm Internal Contest 2000
1477	All in All	University of Ulm Internal Contest 2002
1478	Balanced Food	University of Ulm Internal Contest 2002
1479	California Jones and the Gate to Freedom	University of Ulm Internal Contest 2002
1480	Diplomatic License	University of Ulm Internal Contest 2002
1481	Polygon Programming with Ease	University of Ulm Internal Contest 2002
1482	The Sierpinski Fractal	University of Ulm Internal Contest 2002
1483	Paths on a Grid	University of Ulm Internal Contest 2002
1484	Hall of Fountains	University of Ulm Internal Contest 2002
1485	A Good Helper	HCPC 2004
1486	The Longest SubSequence	HCPC 2004
1487	Fleet Commander	HCPC 2004
1488	TMD	HCPC 2004
1489	ATDS	HCPC 2004
1490	Planar Positioning System	HCPC 2004
1491	Good Approximation Problem	ACM ICPC Taipei Regional Contest 2001
1492	Power Cable Problem	ACM ICPC Taipei Regional Contest 2001
1493	The Constraint Densest Submatrix(data not ready)	ACM ICPC Taipei Regional Contest 2001
1494	Hinge Node Problem	ACM ICPC Taipei Regional Contest 2001
1495	Area of Simple Polygons	ACM ICPC Taipei Regional Contest 2001
1496	World Cup Noise	TUD Contest 2002, Darmstadt, Germany
1497	Warez Test	TUD Contest 2002, Darmstadt, Germany
1498	Rubik's Cube	TUD Contest 2002, Darmstadt, Germany
1499	Pumps and Pipes	TUD Contest 2002, Darmstadt, Germany
1500	Strange Towers of Hanoi	TUD Contest 2002, Darmstadt, Germany
1501	Darts	TUD Contest 2002, Darmstadt, Germany
1502	Time Planner	TUD Contest 2002, Darmstadt, Germany
1503	Lost in Space	ACM ICPC Tsukuba(Japan) Regional Contest 2000
1504	Family Tree	ACM ICPC Tsukuba(Japan) Regional Contest 2000
1505	Push!!	ACM ICPC Tsukuba(Japan) Regional Contest 2000
1506	Pump up Batteries(data not ready)	ACM ICPC Tsukuba(Japan) Regional Contest 2000
1507	The Devil of Gravity(data not ready)	ACM ICPC Tsukuba(Japan) Regional Contest 2000
1508	Numoeba(data not ready)	ACM ICPC Tsukuba(Japan) Regional Contest 2000
1509	Telescope	ACM ICPC Tsukuba(Japan) Regional Contest 2000
1510	Ether Geometry	ACM ICPC Tsukuba(Japan) Regional Contest 2000
1511	Average is not Fast Enough!	University of Ulm Internal Contest 2001
1512	Bound Found	University of Ulm Internal Contest 2001
1513	Code the Tree	University of Ulm Internal Contest 2001
1514	Decode the Tree	University of Ulm Internal Contest 2001
1515	Etaoin Shrdlu	University of Ulm Internal Contest 2001
1516	Fiber Network	University of Ulm Internal Contest 2001
1517	Global Roaming	University of Ulm Internal Contest 2001
1518	Hard to Believe, but True!	University of Ulm Internal Contest 2001
1519	Assistance Required	University of Ulm Internal Contest 2003
1520	The Bottom of a Graph	University of Ulm Internal Contest 2003
1521	Fixed Partition Contest Management(spj not ready)	University of Ulm Internal Contest 2003
1522	Edge	University of Ulm Internal Contest 2003
1523	Fold	University of Ulm Internal Contest 2003
1524	Genetic Code	University of Ulm Internal Contest 2003
1525	Largest Rectangle in a Histogram	University of Ulm Internal Contest 2003
1526	Drink, on Ice	University of Ulm Internal Contest 2003
1527	Bean Counting	Waterloo ACM Programming Contest Sep 28, 1996
1528	Factoring Large Numbers	Waterloo ACM Programming Contest Sep 28, 1996
1529	Maze Traversal	Waterloo ACM Programming Contest Sep 28, 1996
1530	Compound Words	Waterloo ACM Programming Contest Sep 28, 1996
1531	Pit Stop Strategy	Waterloo ACM Programming Contest Sep 28, 1996
1532	The Game of 31	Waterloo ACM Programming Contest Oct 5, 1996
1533	Fibonacci Numbers	Waterloo ACM Programming Contest Oct 5, 1996
1534	Ransom Note	Waterloo ACM Programming Contest Oct 5, 1996
1535	Scheme Pretty-Printing	Waterloo ACM Programming Contest Oct 5, 1996
1536	Substitution Cypher	Waterloo ACM Programming Contest Oct 5, 1996
1537	Is Bigger Smarter?	Waterloo ACM Programming Contest Oct 7, 1997
1538	File Fragmentation	Waterloo ACM Programming Contest Oct 7, 1997
1539	Audubon's Stormy Arctic Trip	Waterloo ACM Programming Contest Oct 7, 1997
1540	AutoFish	Waterloo ACM Programming Contest Oct 7, 1997
1541	Herding Frosh	Waterloo ACM Programming Contest Oct 7, 1997
1542	Crypt Kicker(spj not ready)	Waterloo ACM Programming Contest June 6, 1998
1543	Dick and Jane	Waterloo ACM Programming Contest June 6, 1998
1544	Leaps Tall Buildings	Waterloo ACM Programming Contest June 6, 1998
1545	Contest Scoreboard	Waterloo ACM Programming Contest June 6, 1998
1546	Poker Hands	Waterloo ACM Programming Contest June 6, 1998
1547	FatMouse and Cheese	Waterloo ACM Programming Contest Oct 4, 1998
1548	Crypt Kicker II	Waterloo ACM Programming Contest Oct 4, 1998
1549	Watching Watches	Waterloo ACM Programming Contest Oct 4, 1998
1550	Pousse	Waterloo ACM Programming Contest Oct 4, 1998
1551	Polylops	Waterloo ACM Programming Contest Oct 4, 1998
1552	Prime Distance	Waterloo ACM Programming Contest Oct 17, 1998
1553	Yahtzee	Waterloo ACM Programming Contest Oct 17, 1998
1554	Request for Proposal	Waterloo ACM Programming Contest Oct 17, 1998
1555	Australian Voting	Waterloo ACM Programming Contest Oct 17, 1998
1556	Chocolate Chip Cookies	Waterloo ACM Programming Contest Oct 17, 1998
1557	The Trip	Waterloo ACM Programming Contest Jan 31, 1999
1558	Doublets	Waterloo ACM Programming Contest Jan 31, 1999
1559	CDVII	Waterloo ACM Programming Contest Jan 31, 1999
1560	Factovisors	Waterloo ACM Programming Contest Jan 31, 1999
1561	Spaghetti	Waterloo ACM Programming Contest Jan 31, 1999
1562	Tiling Up Blocks	ACM ICPC Taiwan Regional Contest 2003
1563	Quad Trees	ACM ICPC Taiwan Regional Contest 2003
1564	The Suspects	ACM ICPC Taiwan Regional Contest 2003
1565	The Geodetic Set Problem	ACM ICPC Taiwan Regional Contest 2003
1566	Cave Raider	ACM ICPC Taiwan Regional Contest 2003
1567	Gap Punishment Aligment Problem	ACM ICPC Taiwan Regional Contest 2003
1568	Space AI Bombs	ACM ICPC Taiwan Regional Contest 2003
1569	Merging Sequences Problem	ACM ICPC Taiwan Regional Contest 2003
1570	Harmonic Periods	ACM ICPC Taiwan Regional Contest 2003
1571	Nice Milk	OIBH Online Programming Contest #1
1572	Free Candies	OIBH Online Programming Contest #1
1573	Farewell, My Friend	OIBH Online Programming Contest #1
1574	Gift?!	OIBH Online Programming Contest #1
1575	Legendary Pokemon	OIBH Online Programming Contest #1
1576	Mysterious Mountain	OIBH Online Programming Contest #1
1577	Adventure of Super Mario	OIBH Reminiscene Programming Contest
1578	Bigger Square Please...(spj not ready)	OIBH Reminiscene Programming Contest
1579	Chopsticks	OIBH Reminiscene Programming Contest
1580	DDR King	OIBH Reminiscene Programming Contest
1581	Eat or Not to Eat?	OIBH Reminiscene Programming Contest
1582	Fans and Gems	OIBH Reminiscene Programming Contest
1583	Guess the Number	OIBH Reminiscene Programming Contest
1584	Hanoi Tower Troubles Again!	OIBH Reminiscene Programming Contest
1585	Euro Efficiency	ACM ICPC Northwestern European Regional 2002
1586	Markov Trains	ACM ICPC Northwestern European Regional 2002
1587	Hansel and Grethel	ACM ICPC Northwestern European Regional 2002
1588	Floors	ACM ICPC Northwestern European Regional 2002
1589	The Picnic	ACM ICPC Northwestern European Regional 2002
1590	Pearls	ACM ICPC Northwestern European Regional 2002
1591	Huffman Trees	ACM ICPC Northwestern European Regional 2002
1592	Input	ACM ICPC Northwestern European Regional 2002
1593	Triangles	ACM ICPC Southwestern European Regional 1997
1594	Instant Complexity	ACM ICPC Southwestern European Regional 1997
1595	There's Treasure Everywhere!	ACM ICPC Southwestern European Regional 1997
1596	Video Surveillance	ACM ICPC Southwestern European Regional 1997
1597	Pushing Boxes	ACM ICPC Southwestern European Regional 1997
1598	Always On the Run	ACM ICPC Southwestern European Regional 1997
1599	Box of Bricks	ACM ICPC Southwestern European Regional 1997
1600	Island of Logic	ACM ICPC Southwestern European Regional 1997
1601	MBone	ACM ICPC Southwestern European Regional 1997
1602	Team Them Up!(spj not ready)	ACM ICPC Northeastern European Regional 2001
1603	Brackets Sequence	ACM ICPC Northeastern European Regional 2001
1604	Cable Master	ACM ICPC Northeastern European Regional 2001
1605	Wall	ACM ICPC Northeastern European Regional 2001
1606	Chemical Reactions	ACM ICPC Northeastern European Regional 2001
1607	Statistical Trouble(spj not ready)	ACM ICPC Northeastern European Regional 2001
1608	Library	ACM ICPC Northeastern European Regional 2001
1609	Pairs of Integers	ACM ICPC Northeastern European Regional 2001
1610	Twenty Questions	ACM ICPC North Central North America Regional 2002
1611	Cache Simulation	ACM ICPC North Central North America Regional 2002
1612	The Tree Movers	ACM ICPC North Central North America Regional 2002
1613	The Fence Builder	ACM ICPC North Central North America Regional 2002
1614	Communication Planning for Phobos	ACM ICPC North Central North America Regional 2002
1615	Clustering	ACM ICPC North Central North America Regional 2002
1616	Off Base	ACM ICPC North Central North America Regional 2002
1617	Acceptable Strings	ACM ICPC North Central North America Regional 2002
1618	Optimal Programs	ACM ICPC Southwestern European Regional 1998
1619	The Die Is Cast	ACM ICPC Southwestern European Regional 1998
1620	It's not a Bug, It's a Feature!	ACM ICPC Southwestern European Regional 1998
1621	Reflections	ACM ICPC Southwestern European Regional 1998
1622	Going in Circles on Alpha Centauri	ACM ICPC Southwestern European Regional 1998
1623	Blowing Fuses	ACM ICPC Southwestern European Regional 1998
1624	Sorting Slides	ACM ICPC Southwestern European Regional 1998
1625	Single-Player Games	ACM ICPC Southwestern European Regional 1998
1626	Programmer, Rank Thyself	ACM ICPC Mid-Central USA 2002
1627	Hilbert Curve Intersections	ACM ICPC Mid-Central USA 2002
1628	Magnificent Meatballs	ACM ICPC Mid-Central USA 2002
1629	Safecracker	ACM ICPC Mid-Central USA 2002
1630	Oil Pipeline	ACM ICPC Mid-Central USA 2002
1631	Tanning Salon	ACM ICPC Mid-Central USA 2002
1632	Jungle Roads	ACM ICPC Mid-Central USA 2002
1633	Transmitters	ACM ICPC Mid-Central USA 2001
1634	W's Cipher	ACM ICPC Mid-Central USA 2001
1635	Split Windows	ACM ICPC Mid-Central USA 2001
1636	Index Generation	ACM ICPC Mid-Central USA 2001
1637	HangOver	ACM ICPC Mid-Central USA 2001
1638	Double Vision	ACM ICPC Mid-Central USA 2001
1639	Image Perimeters	ACM ICPC Mid-Central USA 2001
1640	Mobile Phone	IOI 2001
1641	Period	ACM ICPC Southeastern European Regional 2004
1642	Corporative Network	ACM ICPC Southeastern European Regional 2004
1643	Cave Exploration	ACM ICPC Southeastern European Regional 2004
1644	City Game	ACM ICPC Southeastern European Regional 2004
1645	Cube Root	ACM ICPC Southeastern European Regional 2004
1646	Cable TV Network	ACM ICPC Southeastern European Regional 2004
1647	Alibaba	ACM ICPC Southeastern European Regional 2004
1648	Booklets	ACM ICPC Southeastern European Regional 2004
1649	Count on Canton	ACM ICPC Southeastern European Regional 2004
1650	Castle Walls	TUD Contest 2004, Darmstadt, Germany
1651	DNA Laboratory	TUD Contest 2004, Darmstadt, Germany
1652	Extra Terrestrial PISA Test	TUD Contest 2004, Darmstadt, Germany
1653	Heavy Transportation	TUD Contest 2003, Darmstadt, Germany
1654	Dory’s Phonebook	TUD Contest 2003, Darmstadt, Germany
1655	Yeehaa!	TUD Contest 2003, Darmstadt, Germany
1656	Magic Trick	TUD Contest 2003, Darmstadt, Germany
1657	Formula Racing	TUD Contest 2003, Darmstadt, Germany
1658	Picnic Planning	ACM ICPC East Central North America 2000
1659	Poly-polygonal Numbers	ACM ICPC East Central North America 2000
1660	Rational Approximation	ACM ICPC East Central North America 2000
1661	Stacking Cubes	ACM ICPC East Central North America 2000
1662	Checker's Check	ACM ICPC East Central North America 2000
1663	To Bet or Not To Bet	ACM ICPC East Central North America 2000
1664	BSP Trees	ACM ICPC East Central North America 2000
1665	Double Trouble	ACM ICPC East Central North America 2000
1666	All Discs Considered	University of Ulm Internal Contest 2004
1667	Boolean Logic	University of Ulm Internal Contest 2004
1668	Code	University of Ulm Internal Contest 2004
1669	In Danger	University of Ulm Internal Contest 2004
1670	Run Length Encoding	University of Ulm Internal Contest 2004
1671	Fractran	University of Ulm Internal Contest 2004
1672	Huffman's Greed	University of Ulm Internal Contest 2004
1673	Binary Search Heap Construction	University of Ulm Internal Contest 2004
1674	Ball Toss	ACM ICPC East Central North America 2002
1675	Galactic Breakup	ACM ICPC East Central North America 2002
1676	Increasing Sequences	ACM ICPC East Central North America 2002
1677	Pre-Post-erous!	ACM ICPC East Central North America 2002
1678	Knockout Tournament	ACM ICPC East Central North America 2002
1679	Plugged In	ACM ICPC East Central North America 2002
1680	One Person 'The Price is Right'	ACM ICPC East Central North America 2002
1681	Slots of Fun	ACM ICPC East Central North America 2002
1682	Primary X-Subfactor Series	ACM ICPC Mid-Central USA 2004
1683	Triangle Cuts(data not ready)	ACM ICPC Mid-Central USA 2004
1684	Symmetric Order	ACM ICPC Mid-Central USA 2004
1685	Flow Layout	ACM ICPC Mid-Central USA 2004
1686	Permutation Code	ACM ICPC Mid-Central USA 2004
1687	Ink Blots	ACM ICPC Mid-Central USA 2004
1688	Speed Limit	ACM ICPC Mid-Central USA 2004
1689	MisLED	ACM ICPC South Central USA 2004
1690	Relative Relatives	ACM ICPC South Central USA 2004
1691	Syntax Included	ACM ICPC South Central USA 2004
1692	Choose Your Own Adventure	ACM ICPC South Central USA 2004
1693	Know When to Hold 'em	ACM ICPC South Central USA 2004
1694	Cubic Rube	ACM ICPC South Central USA 2004
1695	As the Crow Flies	ACM ICPC South Central USA 2004
1696	No Brainer	ACM ICPC South Central USA 2004
1697	Alphacode	ACM ICPC East Central North America 2004
1698	Anti-prime Sequences	ACM ICPC East Central North America 2004
1699	Hit or Miss	ACM ICPC East Central North America 2004
1700	I Conduit!	ACM ICPC East Central North America 2004
1701	Roll Playing Games	ACM ICPC East Central North America 2004
1702	Team Rankings	ACM ICPC East Central North America 2004
1703	To and Fro	ACM ICPC East Central North America 2004
1704	Translations	ACM ICPC East Central North America 2004
1705	Twofive(not ready)	IOI 2001
1706	Word Encoding	ACM ICPC Northwestern European Regional 2004
1707	Watchdog	ACM ICPC Northwestern European Regional 2004
1708	Taxi Cab Scheme	ACM ICPC Northwestern European Regional 2004
1709	Pseudo-random Numbers	ACM ICPC Northwestern European Regional 2004
1710	Card Game Cheater	ACM ICPC Northwestern European Regional 2004
1711	Investment	ACM ICPC Northwestern European Regional 2004
1712	Pipes	ACM ICPC Northwestern European Regional 2004
1713	SETI	ACM ICPC Northwestern European Regional 2004
1714	Minimax Triangulation	ACM ICPC Northwestern European Regional 2004
1715	Paper Cut	Beijing 2004 Preliminary
1716	Ride to School	Beijing 2004 Preliminary
1717	Fourier's Lines	Beijing 2004 Preliminary
1718	The Treasure	Beijing 2004 Preliminary
1719	Spiderman	Beijing 2004 Preliminary
1720	Pollution	Beijing 2004 Preliminary
1721	Area in Triangle	Beijing 2004 Preliminary
1722	The Peanuts	Beijing 2004 Preliminary
1723	Finding Nemo	ACM ICPC Beijing Regional Contest 2004
1724	Searching the Web	ACM ICPC Beijing Regional Contest 2004
1725	Argus	ACM ICPC Beijing Regional Contest 2004
1726	Fun Game	ACM ICPC Beijing Regional Contest 2004
1727	Square	ACM ICPC Beijing Regional Contest 2004
1728	Color a Tree	ACM ICPC Beijing Regional Contest 2004
1729	Kid's Problem	ACM ICPC Beijing Regional Contest 2004
1730	The Separator in Grid	ACM ICPC Beijing Regional Contest 2004
1731	The Lost House	ACM ICPC Beijing Regional Contest 2004
1732	Orders	CEOI 1999
1733	Phone numbers	CEOI 1999
1734	Parity game	CEOI 1999
1735	Sightseeing trip	CEOI 1999
1736	A Game on the Chessboard	CEOI 1999
1737	Block Town	CEOI 1999
1738	Land Division Tax	ACM ICPC South America 2004
1739	Petanque	ACM ICPC South America 2004
1740	Long Night of Museums	ACM ICPC South America 2004
1741	Magic Trick	ACM ICPC South America 2004
1742	Two-Stacks Solitaire(spj not ready)	ACM ICPC South America 2004
1743	Zing Zhu's Oyster Farm	ACM ICPC South America 2004
1744	Grandpa is Famous	ACM ICPC South America 2004
1745	Cutting Edge	ACM ICPC South America 2004
1746	Filling Out the Team	ACM ICPC Mid-Atlantic Regional Contest 2004
1747	Auctions R Us	ACM ICPC Mid-Atlantic Regional Contest 2004
1748	GHOST	ACM ICPC Mid-Atlantic Regional Contest 2004
1749	Doggone Moles	ACM ICPC Mid-Atlantic Regional Contest 2004
1750	Line of Sight	ACM ICPC Mid-Atlantic Regional Contest 2004
1751	Tangled in Cables	ACM ICPC Mid-Atlantic Regional Contest 2004
1752	All Roads Lead to Albuquerque, er, Rome	ACM ICPC Mid-Atlantic Regional Contest 2004
1753	Balanced Budget Initiative	ACM ICPC Mid-Atlantic Regional Contest 2004
1754	To Europe! To Europe!	CVUT FEL++ 2003, Original From Asia 1999
1755	Test the Rods	UVA
1756	Complex Numbers	UVA
1757	Y2K Accounting Bug	Waterloo ACM Programming Contest Jan 29, 2000
1758	Thinking Backward	UVA
1759	Optimal House Placement	UVA
1760	The jackpot	UVA
1761	Number Sequence	UVA
1762	The Fun Number System	UVA
1763	Fire Station	Waterloo ACM Programming Contest Sep 25, 1999
1764	Soundex	Waterloo ACM Programming Contest Sep 25, 1999
1765	Ferry Loading(spj not ready)	Waterloo ACM Programming Contest Sep 25, 1999
1766	Dog & Gopher	Waterloo ACM Programming Contest Sep 25, 1999
1767	Gas Station Numbers	Waterloo ACM Programming Contest Sep 25, 1999
1768	Mine Sweeper	Waterloo ACM Programming Contest Oct 2, 1999
1769	Choose and Divide	Waterloo ACM Programming Contest Oct 2, 1999
1770	Old Wine Into New Bottles	Waterloo ACM Programming Contest Oct 2, 1999
1771	Suffidromes	Waterloo ACM Programming Contest Oct 2, 1999
1772	Origami	Waterloo ACM Programming Contest Oct 2, 1999
1773	Airline Hub	Waterloo ACM Programming Contest Jan 29, 2000
1774	Snakes	Waterloo ACM Programming Contest Jan 29, 2000
1775	Snap	Waterloo ACM Programming Contest Jan 29, 2000
1776	Steps	Waterloo ACM Programming Contest Jan 29, 2000
1777	Alice and Bob	ACM ICPC Central European Regional 2001
1778	Binary Stirling Numbers	ACM ICPC Central European Regional 2001
1779	Calendar of Maya	ACM ICPC Central European Regional 2001
1780	Decoding Morse Sequences	ACM ICPC Central European Regional 2001
1781	Exchanges	ACM ICPC Central European Regional 2001
1782	Fill the Cisterns!	ACM ICPC Central European Regional 2001
1783	Gates(spj not ready)	ACM ICPC Central European Regional 2001
1784	Horizontally Visible Segments	ACM ICPC Central European Regional 2001
1785	Agents(spj not ready)	CTU Open 2004
1786	Boatherds	CTU Open 2004
1787	C Looooops	CTU Open 2004
1788	Death to Binary?	CTU Open 2004
1789	Electricity	CTU Open 2004
1790	Firepersons	CTU Open 2004
1791	God of the Vile Baskers	CTU Open 2004
1792	Herbalists	CTU Open 2004
1793	Inglish-Number Translator	CTU Open 2004
1794	Japan Plotter Driver	CTU Open 2004
1795	Ferry Loading	UVA
1796	Hanafuda Shuffle	Japan Domestic 2004
1797	Red and Black	Japan Domestic 2004
1798	Unit Fraction Partition	Japan Domestic 2004
1799	Circle and Points	Japan Domestic 2004
1800	Water Tank	Japan Domestic 2004
1801	Name the Crossing	Japan Domestic 2004
1802	The Balance	ACM ICPC Ehime(Japan) Regional Contest 2004
1803	Make a Sequence	ACM ICPC Ehime(Japan) Regional Contest 2004
1804	Leaky Cryptography	ACM ICPC Ehime(Japan) Regional Contest 2004
1805	Pathological Paths	ACM ICPC Ehime(Japan) Regional Contest 2004
1806	Confusing Login Names	ACM ICPC Ehime(Japan) Regional Contest 2004
1807	Dice Puzzle	ACM ICPC Ehime(Japan) Regional Contest 2004
1808	Color the Map	ACM ICPC Ehime(Japan) Regional Contest 2004
1809	Inherit the Spheres	ACM ICPC Ehime(Japan) Regional Contest 2004
1810	Crossing Prisms	ACM ICPC Ehime(Japan) Regional Contest 2004
1811	Freckles	Waterloo ACM Program Contest Sep 23, 2000
1812	Language Cardinality	Waterloo ACM Program Contest Sep 23, 2000
1813	Primary Arithmetic	Waterloo ACM Program Contest Sep 23, 2000
1814	Demerit Points	Waterloo ACM Program Contest Sep 23, 2000
1815	Edit Step Ladders	Waterloo ACM Program Contest Sep 23, 2000
1816	Seeing the Boundary	IOI 2003
1817	Comparing Code	IOI 2003
1818	Amazing Robots	IOI 2003
1819	郁闷的出纳员	NOI 2004
1820	曼哈顿	NOI 2004
1821	小H的小屋	NOI 2004
1822	降雨量	NOI 2004
1823	木棒游戏	NOI 2003
1824	逃学的小孩	NOI 2003
1825	智破连环阵	NOI 2003
1826	The Primes	IOI 1994
1827	The Clocks	IOI 1994
1828	The Buses	IOI 1994
1829	The Circle	IOI 1994
1830	Bridge Hands	CTU Open 2003
1831	Charlie's Change	CTU Open 2003
1832	Building a New Depot	CTU Open 2003
1833	Truck History	CTU Open 2003
1834	Base Numbers	CTU Open 2003
1835	Paper Cutting	CTU Open 2003
1836	Hexagonal Routes	CTU Open 2003
1837	Storehouse	CTU Open 2003
1838	Traffic Jam	CTU Open 2003
1839	Jack	CTU Open 1999
1840	Kaleidoscope	CTU Open 1999
1841	Logic	CTU Open 1999
1842	Raising Modulo Numbers	CTU Open 1999
1843	The Highest Profits	CTU Open 1999
1844	Word Puzzle	CTU Open 1999
1845	Lloyd Fifteen Puzzle	CTU Open 1999
1846	Quorf	CTU Open 1999
1847	Saskatchewan	Waterloo ACM Programming Contest Sep 30, 2000
1848	Jolly Jumpers	Waterloo ACM Programming Contest Sep 30, 2000
1849	Tug of War	Waterloo ACM Programming Contest Sep 30, 2000
1850	Interpreter	Waterloo ACM Programming Contest Sep 30, 2000
1851	Gopher II	Waterloo ACM Programming Contest Jan 27, 2001
1852	Tight Words	Waterloo ACM Programming Contest Jan 27, 2001
1853	WERTYU	Waterloo ACM Programming Contest Jan 27, 2001
1854	Division	Waterloo ACM Programming Contest Jan 27, 2001
1855	Hotter Colder	Waterloo ACM Programming Contest Jan 27, 2001
1856	Magic(spj not ready)	Internet Problem Solving Contest 2001
1857	Box of Mirrors	BOI 2001
1858	Excursion	BOI 2001
1859	Knights	BOI 2001
1860	Mars Maps	BOI 2001
1861	Postman	BOI 2001
1862	Teleports	BOI 2001
1863	整数的排序	HCPC 2005 Spring
1864	Fibonacci	HCPC 2005 Spring
1865	Eclipse	HCPC 2005 Spring
1866	猩猩点灯	HCPC 2005 Spring
1867	经理的烦恼	HCPC 2005 Spring
1868	八数码	HCPC 2005 Spring
1869	Email	HCPC 2005 Spring
1870	Race	HCPC 2005 Spring
1871	整数的表示	HCPC 2005 Spring
1872	Warcraft Ⅲ: The Frozen Throne	Liu Ziyang
1873	Towers of Hanoi	CEOI 2003
1874	Trip	CEOI 2003
1875	The Race	CEOI 2003
1876	Shift Register	CEOI 2003
1877	No Tipping	Waterloo ACM Programming Contest June 2, 2001
1878	Subway	Waterloo ACM Programming Contest June 2, 2001
1879	Sumsets	Waterloo ACM Programming Contest June 2, 2001
1880	Zipf's Law	Waterloo ACM Programming Contest June 2, 2001
1881	Ones	Waterloo ACM Programming Contest June 2, 2001
1882	All Integer Average	ACM ICPC Dhaka Regional Contest 2004
1883	Reverse Assignment	ACM ICPC Dhaka Regional Contest 2004
1884	Zeros and Ones	ACM ICPC Dhaka Regional Contest 2004
1885	Count the Points Inside	ACM ICPC Dhaka Regional Contest 2004
1886	Amphiphilic Carbon Molecules	ACM ICPC Shanghai Regional Contest 2004
1887	Link and Pop -- the Block Game	ACM ICPC Shanghai Regional Contest 2004
1888	The Counting Problem	ACM ICPC Shanghai Regional Contest 2004
1889	Different Digits	ACM ICPC Shanghai Regional Contest 2004
1890	That Nice Euler Circuit	ACM ICPC Shanghai Regional Contest 2004
1891	The Floor Bricks	ACM ICPC Shanghai Regional Contest 2004
1892	The Rotation Game	ACM ICPC Shanghai Regional Contest 2004
1893	Tian Ji -- The Horse Racing	ACM ICPC Shanghai Regional Contest 2004
1894	Islands and Bridges	ACM ICPC Shanghai Regional Contest 2004
1895	Jamie's Contact Groups	ACM ICPC Shanghai Regional Contest 2004
1896	Average Speed	Waterloo ACM Programming Contest Sep 22, 2001
1897	Subway	Waterloo ACM Programming Contest Sep 22, 2001
1898	Babelfish	Waterloo ACM Programming Contest Sep 22, 2001
1899	Bounding Box	Waterloo ACM Programming Contest Sep 22, 2001
1900	A Multiplication Game	Waterloo ACM Programming Contest Sep 22, 2001
1901	Adventures in Moving - Part IV	Waterloo ACM Programming Contest Sep 29, 2001
1902	Pairsumonious Numbers	Waterloo ACM Programming Contest Sep 29, 2001
1903	Snow Clearing	Waterloo ACM Programming Contest Sep 29, 2001
1904	Adventures in Moving - Part V	Waterloo ACM Programming Contest Sep 29, 2001
1905	Stack 'em Up	Waterloo ACM Programming Contest Sep 29, 2001
1906	Contact	IOI 1998
1907	Starry Night	IOI 1998
1908	Party Lamps	IOI 1998
1909	Picture	IOI 1998
1910	Camelot	IOI 1998
1911	Polygon	IOI 1998
1912	Density map	POI 2001
1913	Intervals	POI 2001
1914	Antiprime numbers	POI 2001
1915	Green game	POI 2001
1916	Weake Goldbach(Data not ready)	POI 2001
1917	Peaceful Commission	POI 2001
1918	Island	POI 2001
1919	Ants and the ladybug	POI 2001
1920	Travel	POI 2001
1921	Wandering flea trainers	POI 2001
1922	Necklaces	POI 2001
1923	City tour	POI 2001
1924	Bank	POI 2001
1925	Goldmine	POI 2001
1926	Chain	POI 2001
1927	Return of the Jedi	Waterloo ACM Programming Contest Jan 26, 2002
1928	Discrete Logging	Waterloo ACM Programming Contest Jan 26, 2002
1929	Hardwood Species	Waterloo ACM Programming Contest Jan 26, 2002
1930	Forests	Waterloo ACM Programming Contest Jan 26, 2002
1931	A Star not a Tree?	Waterloo ACM Programming Contest Jan 26, 2002
1932	Cake Cutting	Stanford ACM Programming Contest 2004
1933	Election	Stanford ACM Programming Contest 2004
1934	Nash Equilibrium	Stanford ACM Programming Contest 2004
1935	Triangle	Stanford ACM Programming Contest 2004
1936	Brackets	Stanford ACM Programming Contest 2004
1937	Repeatless Numbers	Stanford ACM Programming Contest 2004
1938	Planet Hunting	Stanford ACM Programming Contest 2004
1939	任务的分配	计算机学院第一届“图灵杯”程序设计大赛
1940	全球定位系统	计算机学院第一届“图灵杯”程序设计大赛
1941	超市收银问题	计算机学院第一届“图灵杯”程序设计大赛
1942	OS进程调度	计算机学院第一届“图灵杯”程序设计大赛
1943	平面上的点	计算机学院第一届“图灵杯”程序设计大赛
1944	方程题！！	计算机学院第一届“图灵杯”程序设计大赛
1945	孔明棋	计算机学院第一届“图灵杯”程序设计大赛
1946	希尔伯特分形曲线	计算机学院第一届“图灵杯”程序设计大赛
1947	小明与小红的故事	计算机学院第一届“图灵杯”程序设计大赛
1948	回家	计算机学院第一届“图灵杯”程序设计大赛
1949	Hay Points	Waterloo ACM Programming Contest June 1, 2002
1950	Jogging Trails	Waterloo ACM Programming Contest June 1, 2002
1951	Beavergnaw	Waterloo ACM Programming Contest June 1, 2002
1952	Power Strings	Waterloo ACM Programming Contest June 1, 2002
1953	Relatives	Waterloo ACM Programming Contest June 1, 2002
1954	Trains	Waterloo ACM Programming Contest Sep 21, 2002
1955	Tic Tac Toe	Waterloo ACM Programming Contest Sep 21, 2002
1956	Square	Waterloo ACM Programming Contest Sep 21, 2002
1957	Blocks	Waterloo ACM Programming Contest Sep 21, 2002
1958	Faucet Flow	Waterloo ACM Programming Contest Sep 21, 2002
1959	Equations	Waterloo ACM Programming Contest Sep 28, 2002
1960	Euclid's Game	Waterloo ACM Programming Contest Sep 28, 2002
1961	Arctic Network	Waterloo ACM Programming Contest Sep 28, 2002
1962	Above Average	Waterloo ACM Programming Contest Sep 28, 2002
1963	Time Zones	Waterloo ACM Programming Contest Sep 28, 2002
1964	Temple of Dune	Waterloo ACM Programming Contest Jan 25, 2003
1965	Ferry Loading II	Waterloo ACM Programming Contest Jan 25, 2003
1966	Catenyms	Waterloo ACM Programming Contest Jan 25, 2003
1967	Basic	Waterloo ACM Programming Contest Jan 25, 2003
1968	Rock, Scissors, Paper	Waterloo ACM Programming Contest Jan 25, 2003
1969	Intellectual Property	Waterloo ACM Programming Contest July 5, 2003
1970	Persistent Numbers	Waterloo ACM Programming Contest July 5, 2003
1971	Major Scales	Waterloo ACM Programming Contest July 5, 2003
1972	Dumb Bones	Waterloo ACM Programming Contest July 5, 2003
1973	Guessing Game	Waterloo ACM Programming Contest July 5, 2003
1974	Matrix	Shanghai 2004 Preliminary
1975	Triangle	Shanghai 2004 Preliminary
1976	Calendar	Shanghai 2004 Preliminary
1977	Recaman's Sequence	Shanghai 2004 Preliminary
1978	Terrible Sets	Shanghai 2004 Preliminary
1979	Fractal	Shanghai 2004 Preliminary
1980	Game of Connections	Shanghai 2004 Preliminary
1981	Inversion	Shanghai 2004 Preliminary
1982	No Repeat Playlist	TopCoder SRM 531
1983	Beautiful numbers	CodeForces 55D
1984	Postcards and photos	CodeForces 137A
1985	Super Calculator	wywcgs & fishcanfly
1986	Stamps	mostleg & Zn
1987	Recursive Function	SCU Programming Contest 2005 Preliminary
1988	Drawing Rectangles	SCU Programming Contest 2005 Preliminary
1989	The Most Frequent Word	SCU Programming Contest 2005 Preliminary
1990	Kids Grouping	SCU Programming Contest 2005 Preliminary
1991	Happy 2005	SCU Programming Contest 2005 Preliminary
1992	Dependency Problems	SCU Programming Contest 2005 Preliminary
1993	lykoo	SCU Programming Contest 2005 Preliminary
1994	Monochromatic Triangles	SCU Programming Contest 2005 Preliminary
1995	Venn Diagram	SCU Programming Contest 2005 Final
1996	File in Database	SCU Programming Contest 2005 Final
1997	Multiplying Matrices	SCU Programming Contest 2005 Final
1998	Greatest Common Factor	SCU Programming Contest 2005 Final
1999	Data Manager	SCU Programming Contest 2005 Final
2000	Maximum Submatrix	SCU Programming Contest 2005 Final
2001	Selection	SCU Programming Contest 2005 Final
2002	Super Mario	SCU Programming Contest 2005 Final
2003	Search Nearest Neighbour	SCU Programming Contest 2005 Final
2004	Words Group	SCU Programming Contest 2005 Final
2005	Job Scheduling	SCU Programming Contest 2005 Final
2006	Wappo	SCU Programming Contest 2005 Final
2007	How many ways	HUST Monthly Contest of April
2008	A Great Challenge	HUST Monthly Contest of April
2009	Deduction	HUST Monthly Contest of April
2010	GCD & LCM Inverse	HUST Monthly Contest of April
2011	Simple Problem	HUST Monthly Contest of April
2012	Sort and Merge	HUST Monthly Contest of April
2013	Turn Over Turn Over	HUST Monthly Contest of April
2014	Tiling	Univ. of Alberta Local Contest 2000.10.14
2015	Crossed ladders	Univ. of Alberta Local Contest 2000.10.14
2016	Conic Distance	Univ. of Alberta Local Contest 2000.10.14
2017	Peter's smokes	Univ. of Alberta Local Contest 2000.10.14
2018	Tullia and Chocolate II	Univ. of Alberta Local Contest 2000.10.14
2019	The Top Shelf	Univ. of Alberta Local Contest 2000.10.14
2020	Chessboard in FEN	Univ. of Alberta Local Contest 2000.10.14
2021	Colored Sticks	Univ. of Alberta Local Contest 2000.10.14
2022	Mersenne Composite Numbers	ACM ICPC Pacific Northwest 2004
2023	Zipper	ACM ICPC Pacific Northwest 2004
2024	Lenny's Lucky Lotto Lists	ACM ICPC Pacific Northwest 2004
2025	Going Home	ACM ICPC Pacific Northwest 2004
2026	Specialized Four-Digit Numbers	ACM ICPC Pacific Northwest 2004
2027	Jill's Tour Paths	ACM ICPC Pacific Northwest 2004
2028	Boundaries on 'A New Kind of Science'	ACM ICPC Pacific Northwest 2004
2029	Rate of Return	ACM ICPC Pacific Northwest 2004
2030	A Card Trick	ACM ICPC Pacific Northwest 2004
2031	Partitioning for fun and profit	Univ. of Alberta Local Contest 2003.10.18
2032	ASCII Labyrinth	Univ. of Alberta Local Contest 2003.10.18
2033	Ubiquitous Religions	Univ. of Alberta Local Contest 2003.10.18
2034	Text Formalization	Univ. of Alberta Local Contest 2003.10.18
2035	Center of Symmetry	Univ. of Alberta Local Contest 2003.10.18
2036	Polynomial Remains	Univ. of Alberta Local Contest 2003.10.18
2037	Mayor's posters	Univ. of Alberta Local Contest 2003.10.18
2038	Queuing at the doctors	Univ. of Alberta Local Contest 2003.10.18
2039	Grandpa's Rubik Cube	ACM ICPC South America 2002
2040	This Sentence is False	ACM ICPC South America 2002
2041	Will Indiana Jones Get There?	ACM ICPC South America 2002
2042	I hate SPAM, but some people love it	ACM ICPC South America 2002
2043	Noise Effect	ACM ICPC South America 2002
2044	Supermarket	ACM ICPC South America 2002
2045	Ambiguous permutations	University of Ulm Internal Contest 2005
2046	Bullshit Bingo	University of Ulm Internal Contest 2005
2047	106 miles to Chicago	University of Ulm Internal Contest 2005
2048	Decorate the wall	University of Ulm Internal Contest 2005
2049	Any fool can do it	University of Ulm Internal Contest 2005
2050	Lazy Cows	USACO Contest Gateway, 2005 US Open Gold
2051	Expedition	USACO Contest Gateway, 2005 US Open Gold
2052	Around the world	USACO Contest Gateway, 2005 US Open Gold
2053	Landscaping	USACO Contest Gateway, 2005 US Open Gold
2054	Stacking Cylinders	ACM ICPC Pacific Northwest 2004
2055	Astonishing Movie Plan	HCPC 2005 FALL
2056	Bookshelf	HCPC 2005 FALL
2057	Complicated Translation	HCPC 2005 FALL
2058	Diagonal Primes	HCPC 2005 FALL
2059	Encrypting in a Safe Way	HCPC 2005 FALL
2060	Fibonacci Problem Again	HCPC 2005 FALL
2061	Great Wall Renovation	HCPC 2005 FALL
2062	Help the Hurricane Victims	HCPC 2005 FALL
2063	It's Pandaren Brewmaster Time!	HCPC 2005 FALL
2064	Journey to Tibet	HCPC 2005 FALL
2065	Fibonacci Number	sjtupc2004round2
2066	Word Reversal	sjtupc2004round2
2067	Adding 1s, 2s, and 3s	sjtupc2004round2
2068	Triangle Centers	sjtupc2004round2
2069	Jimmy's Riddles	sjtupc2004round2
2070	Rhombs	sjtupc2004round2
2071	Keep on Truckin'	South Central USA 2003
2072	Blurred Vision	South Central USA 2003
2073	The Door/Key Problem	South Central USA 2003
2074	Exact Change Only	South Central USA 2003
2075	Finding Nemo	South Central USA 2003
2076	Series Determination	South Central USA 2003
2077	T-Shirt Gumbo	South Central USA 2003
2078	Window Pains	South Central USA 2003
2079	So you want to be a 2^n-aire?	Waterloo ACM Programming Contest Sep 17, 2005
2080	Ferry Loading III	Waterloo ACM Programming Contest Sep 17, 2005
2081	Pick-up sticks	Waterloo ACM Programming Contest Sep 17, 2005
2082	Rock-Paper-Scissors Tournament	Waterloo ACM Programming Contest Sep 17, 2005
2083	Structural Equivalence	Waterloo ACM Programming Contest Sep 17, 2005
2084	The Colored Cubes	UVA
2085	Wavio Sequence	UVA
2086	Taxes	Ural
2087	Cube in Labyrinth	Ural
2088	Delta-wave	Ural
2089	4th point	Univ. of Alberta Local Contest 1999.10.16
2090	Coupons	Univ. of Alberta Local Contest 1999.10.16
2091	Chess	Univ. of Alberta Local Contest 1999.10.16
2092	Gopher and hawks	Univ. of Alberta Local Contest 1999.10.16
2093	Table legs	Univ. of Alberta Local Contest 1999.10.16
2094	Common permutation	Univ. of Alberta Local Contest 1999.10.16
2095	Security Panel	Univ. of Alberta Local Contest 1999.10.16
2096	Roads in the North	Univ. of Alberta Local Contest 1999.10.16
2097	Great Circle	Waterloo ACM Programming Contest Feb 5, 2005
2098	Ultra-QuickSort	Waterloo ACM Programming Contest Feb 5, 2005
2099	Up the Ante	Waterloo ACM Programming Contest Feb 5, 2005
2100	Beat the Spread!	Waterloo ACM Programming Contest Feb 5, 2005
2101	Traditional BINGO	Waterloo ACM Programming Contest Feb 5, 2005
2102	Brownie Points I	Waterloo ACM Programming Contest Jun 11, 2005
2103	Magic Bitstrings	Waterloo ACM Programming Contest Jun 11, 2005
2104	Cutting a polygon	Waterloo ACM Programming Contest Jun 11, 2005
2105	Bungee Jumping	Waterloo ACM Programming Contest Jun 11, 2005
2106	Brownie Points II	Waterloo ACM Programming Contest Jun 11, 2005
2107	Crashing Robots	Nordic Collegiate Programming Contest 2005
2108	Funny Games	Nordic Collegiate Programming Contest 2005
2109	Nullary Computer	Nordic Collegiate Programming Contest 2005
2110	The Embarrassed Cryptographer	Nordic Collegiate Programming Contest 2005
2111	Electrical Outlets	Nordic Collegiate Programming Contest 2005
2112	WorstWeather Ever	Nordic Collegiate Programming Contest 2005
2113	Kingdom	Nordic Collegiate Programming Contest 2005
2114	Necklace Decomposition	Nordic Collegiate Programming Contest 2005
2115	Playground	Nordic Collegiate Programming Contest 2005
2116	Countable Numbers	USACO Contest Gateway, 2005 US Open Bronze
2117	Long Division	USACO Contest Gateway, 2005 US Open Bronze
2118	Boggled Cows	USACO Contest Gateway, 2005 US Open Bronze
2119	Acrophobic Cows	USACO Contest Gateway, 2005 US Open Bronze
2120	Is It A Tree?	UVA
2121	War on Weather	Waterloo ACM Program Contest Sep 24, 2005
2122	Factstone Benchmark	Waterloo ACM Program Contest Sep 24, 2005
2123	Walk Through the Forest	Waterloo ACM Program Contest Sep 24, 2005
2124	Tri Tiling	Waterloo ACM Program Contest Sep 24, 2005
2125	Prerequisites?	Waterloo ACM Program Contest Sep 24, 2005
2126	Pizza delivery	Nordic Collegiate Programming Contest 2004
2127	Ball bearings	Nordic Collegiate Programming Contest 2004
2128	S-Nim	Nordic Collegiate Programming Contest 2004
2129	Sylvester construction	Nordic Collegiate Programming Contest 2004
2130	Who owns the Amiga?	Nordic Collegiate Programming Contest 2004
2131	Lazy Evaluation	Nordic Collegiate Programming Contest 2004
2132	Easter holidays	Nordic Collegiate Programming Contest 2004
2133	Tourist	Nordic Collegiate Programming Contest 2004
2134	Hardware	Nordic Collegiate Programming Contest 2003
2135	Budget	Nordic Collegiate Programming Contest 2003
2136	Frogger	Nordic Collegiate Programming Contest 2003
2137	Gallup	Nordic Collegiate Programming Contest 2003
2138	Jackpot	Nordic Collegiate Programming Contest 2003
2139	Spiderman's workout	Nordic Collegiate Programming Contest 2003
2140	Subway planning	Nordic Collegiate Programming Contest 2003
2141	Exploding CPU	Nordic Collegiate Programming Contest 2003
2142	Linear world	ACM ICPC Southeastern European Regional 2005
2143	Songs	ACM ICPC Southeastern European Regional 2005
2144	Sudoku	ACM ICPC Southeastern European Regional 2005
2145	Tour	ACM ICPC Southeastern European Regional 2005
2146	Mothy	ACM ICPC Southeastern European Regional 2005
2147	Adventurous Driving	ACM ICPC Southeastern European Regional 2005
2148	Computer Transformation	ACM ICPC Southeastern European Regional 2005
2149	Anagrammatic Distance	ACM ICPC Southeastern European Regional 2005
2150	Tomato Automata	ACM ICPC Southeastern European Regional 2005
2151	Scrabble	Stanford ACM Programming Contest 2005
2152	Convex area	Stanford ACM Programming Contest 2005
2153	Nim	Stanford ACM Programming Contest 2005
2154	Dropping tests	Stanford ACM Programming Contest 2005
2155	Box walking	Stanford ACM Programming Contest 2005
2156	Colored stones	Stanford ACM Programming Contest 2005
2157	RSI	Stanford ACM Programming Contest 2005
2158	Do it!	Stanford ACM Programming Contest 2005
2159	The mysterious X network	SWERC 2005
2160	Bin Packing	SWERC 2005
2161	On Storing Clothes	SWERC 2005
2162	Buy or Build	SWERC 2005
2163	4 Values whose Sum is 0	SWERC 2005
2164	Keep the Customer Satisfied	SWERC 2005
2165	UFO Cubes in Roswell	SWERC 2005
2166	Black Box	SWERC 2005
2167	Ignore the Garbage	IPSC 2005
2168	Working with Relations	JHU Local Programming Contest 2004
2169	Pixel Shuffle	SWERC 2005
2170	Crane Operator	IPSC 2005
2171	Rotate and Cut	IPSC 2005
2172	Consecutive Ones	SWERC 2005
2173	Interpreting Control Sequences	JHU Local Programming Contest 2004
2174	Tornado!	South America 2005
2175	Mission Impossible	South America 2005
2176	Pascal Library	South America 2005
2177	ICPC Strikes Again	South America 2005
2178	Optical Fiber	South America 2005
2179	Where Are My Genes	South America 2005
2180	Computer DJ	South America 2005
2181	Take Your Vitamins	Mid-Atlantic 2005
2182	Packing Dominoes	Mid-Atlantic 2005
2183	Extrusion	Mid-Atlantic 2005
2184	Pasting Strings	Mid-Atlantic 2005
2185	Mobiles	Mid-Atlantic 2005
2186	Context-Free Clock	Mid-Atlantic 2005
2187	Right-Hand Rule	Mid-Atlantic 2005
2188	WordStack	Mid-Atlantic 2005
2189	Single Digit Adder	The 2005 ACM Pacific Northwest Programming Contest
2190	Connect	The 2005 ACM Pacific Northwest Programming Contest
2191	Consecutive Digits in a Rational Number	The 2005 ACM Pacific Northwest Programming Contest
2192	Constant Irritation	The 2005 ACM Pacific Northwest Programming Contest
2193	Time to Graduate	The 2005 ACM Pacific Northwest Programming Contest
2194	Leaping Lizards	The 2005 ACM Pacific Northwest Programming Contest
2195	Pascal's Travels	The 2005 ACM Pacific Northwest Programming Contest
2196	Job Scheduling by Open Bidding	The 2005 ACM Pacific Northwest Programming Contest
2197	Who needs 8 Queens when you can have N?	The 2005 ACM Pacific Northwest Programming Contest
2198	Crystal Ball Factory	Unknown
2199	Sudoku	Unknown
2200	Light Up	Unknown
2201	Sum of Cubes	Unknown
2202	Bold ASCII Lines	Unknown
2203	Cover the Square	Unknown
2204	Fibonacci Numbers	Unknown
2205	Plinko	South Central USA 2005
2206	Defining Moment	South Central USA 2005
2207	Jetpack Sniper 3000 Fragfest Extreme	South Central USA 2005
2208	Pegs	South Central USA 2005
2209	Janken Tactics	South Central USA 2005
2210	Bingo!	South Central USA 2005
2211	Artificial Strife	South Central USA 2005
2212	It's My Derivative	South Central USA 2005
2213	The Game	Tehran Sharif 2004 Preliminary
2214	Parallelogram Counting	Tehran Sharif 2004 Preliminary
2215	Dice Stacking	Tehran Sharif 2004 Preliminary
2216	Software Company	Tehran Sharif 2004 Preliminary
2217	The Happy Worm	Tehran Sharif 2004 Preliminary
2218	Median Weight Bead	Tehran Sharif 2004 Preliminary
2219	Mini Locomotive	Tehran Sharif 2004 Preliminary
2220	Odd Loving Bakers	Tehran Sharif 2004 Preliminary
2221	Ohgas' Fortune	Japan 2005 Domestic
2222	Polygonal Line Search	Japan 2005 Domestic
2223	Numeral System	Japan 2005 Domestic
2224	Traveling by Stagecoach	Japan 2005 Domestic
2225	Earth Observation with a Mobile Robot Team	Japan 2005 Domestic
2226	Cleaning Robot	Japan 2005 Domestic
2227	Organize Your Train	Japan 2005
2228	Network Mess	Japan 2005
2229	ACM(ACronymMaker)	East Central North America 2005
2230	Countdown	East Central North America 2005
2231	The Game of Efil	East Central North America 2005
2232	Queens, Knights and Pawns	East Central North America 2005
2233	Reliable Nets	East Central North America 2005
2234	Square Count	East Central North America 2005
2235	Swamp Things	East Central North America 2005
2236	Two Ends	East Central North America 2005
2237	Educational journey	Waterloo Local Contest Feb. 25, 2006
2238	Go	Waterloo Local Contest Feb. 25, 2006
2239	Medals	Waterloo Local Contest Feb. 25, 2006
2240	Flipping colors	Waterloo Local Contest Feb. 25, 2006
2241	Crabbles	Waterloo Local Contest Feb. 25, 2006
2242	Manhattan 2006	HCPC 2006 Spring
2243	Hospital's Crisis	HCPC 2006 Spring
2244	Get the Colors	HCPC 2006 Spring
2245	Word Overlapping Game	HCPC 2006 Spring
2246	Discs	HCPC 2006 Spring
2247	Far Seer	HCPC 2006 Spring
2248	Bookshelf II	HCPC 2006 Spring
2249	ICPC World Final at HIT	HCPC 2006 Spring
2250	Great Travel Plan	HCPC 2006 Spring
2251	Not Only Shops I	计算机学院第二届“光熙杯”程序设计大赛
2252	The Priest	计算机学院第二届“光熙杯”程序设计大赛
2253	Choices	计算机学院第二届“光熙杯”程序设计大赛
2254	Win or Lose	计算机学院第二届“光熙杯”程序设计大赛
2255	Not Fibonacci	计算机学院第二届“光熙杯”程序设计大赛
2256	The Game	计算机学院第二届“光熙杯”程序设计大赛
2257	Sorting	计算机学院第二届“光熙杯”程序设计大赛
2258	Rotating	计算机学院第二届“光熙杯”程序设计大赛
2259	Xiao Ming and Xiao Hong's Story II	计算机学院第二届“光熙杯”程序设计大赛
2260	GongZhu	计算机学院第二届“光熙杯”程序设计大赛
2261	Coin changing	SCU Programming Contest 2006 Preliminary
2262	Spanning trees in a fan	SCU Programming Contest 2006 Preliminary
2263	Sudoku	SCU Programming Contest 2006 Preliminary
2264	Standing	SCU Programming Contest 2006 Preliminary
2265	Square matrices	SCU Programming Contest 2006 Preliminary
2266	Scientific counting method	SCU Programming Contest 2006 Preliminary
2267	Alice and Bob	SCU Programming Contest 2006 Preliminary
2268	Math teacher's test	SCU Programming Contest 2006 Preliminary
2269	Mahjong	SCU Programming Contest 2006 Final
2270	Phone numbers	SCU Programming Contest 2006 Final
2271	Bombs	SCU Programming Contest 2006 Final
2272	Appleland	SCU Programming Contest 2006 Final
2273	Kernel and wiltord	SCU Programming Contest 2006 Final
2274	Drawing Tree	SCU Programming Contest 2006 Final
2275	Number sequence	SCU Programming Contest 2006 Final
2276	Count prime	SCU Programming Contest 2006 Final
2277	Another Apples	SCU Programming Contest 2006 Final
2278	IP Filtering	SCU Programming Contest 2006 Final
2279	All Friends	CTU Open 2005
2280	Board Game	CTU Open 2005
2281	Crane	CTU Open 2005
2282	Divisors	CTU Open 2005
2283	Emag eht htiw Em Pleh	CTU Open 2005
2284	Failing Roads	CTU Open 2005
2285	Go Endgame	CTU Open 2005
2286	Help Me with the Game	CTU Open 2005
2287	IVXLCDM	CTU Open 2005
2288	Unequalled Consumption	Northwestern Europe 2005
2289	Declaration of Content	Northwestern Europe 2005
2290	Laserbox	Northwestern Europe 2005
2291	Bowlstack	Northwestern Europe 2005
2292	Pesky Heroes	Northwestern Europe 2005
2293	Reduced ID Numbers	Northwestern Europe 2005
2294	Tantrix	Northwestern Europe 2005
2295	Guardian of Decency	Northwestern Europe 2005
2296	Up the Stairs	Northwestern Europe 2005
2297	Automatic Correction of Misspellings	Ulm 2006
2298	Basic wall maze	Ulm 2006
2299	Construct the wall maze	Ulm 2006
2300	Dihedral groups	Ulm 2006
2301	Economic phone calls	Ulm 2006
2302	Flavius Josephus Reloaded	Ulm 2006
2303	Wine trading in Gergovia	Ulm 2006
2304	Homogeneous squares	Ulm 2006
2305	Diophantus of Alexandria	TUD contest 2006
2306	Tudoku	TUD contest 2006
2307	Traveling Queen Problem	TUD contest 2006
2308	Mine Map	TUD contest 2006
2309	Knights of the Round Table	TUD contest 2006
2310	Honeymoon Hike	TUD contest 2006
2311	Relocation	TUD contest 2006
2312	Gaus in Elementary School	TUD contest 2006
2313	Kick-Tipp	TUD contest 2006
2314	Stamps	TUD 2005
2315	A Knight's Journey	TUD 2005
2316	Line Segments	TUD 2005
2317	Pimp My Ride	TUD 2005
2318	Scavenger Hunt	TUD 2005
2319	A Bug's Life	TUD 2005
2320	Rdeaalbe	TUD 2005
2321	Acid Text	TUD 2005
2322	Incomplete chess boards	TUD 2005
2323	01000001	Greater New York 2005
2324	The Bank of Kalii	Greater New York 2005
2325	The Cubic End	Greater New York 2005
2326	Kindergarten Graduation	Greater New York 2005
2327	brainf*ck	Greater New York 2005
2328	Stacking Cylinders	Greater New York 2005
2329	No Fold'em Hold'em	Greater New York 2005
2330	Model Rocket Height	Greater New York 2005
2331	Sequence Sum Possibilities	Greater New York 2005
2332	Ancient Keyboard	Tehran 2005
2333	Best SMS to Type	Tehran 2005
2334	Changing Phone Numbers	Tehran 2005
2335	Dramatic Multiplications	Tehran 2005
2336	Entertainment	Tehran 2005
2337	Fortune at El Dorado	Tehran 2005
2338	Griddy Hobby	Tehran 2005
2339	Hotel	Tehran 2005
2340	Intercepting Missiles	Tehran 2005
2341	Joy of Mobile Routing	Tehran 2005
2342	Sum of Consecutive Prime Numbers	Japan 2005
2343	Book Replacement	Japan 2005
2344	Colored Cubes	Japan 2005
2345	Mobile Computing	Japan 2005
2346	Atomic Car Race	Japan 2005
2347	Bingo	Japan 2005
2348	Shy polygons	Japan 2005
2349	Muddy Fields	USACO 2005 January Gold
2350	The Wedding Juicer	USACO 2005 January Gold
2351	Naptime	USACO 2005 January Gold
2352	Ferry Loading IV	unknown
2353	Card Hands	unknown
2354	Eventaully periodic	unknown
2355	Point of view in Flatland	unknown
2356	How many 0's?	unknown
2357	Ombrophobic Bovines	unknown
2358	Sapce Elevator	unknown
2359	Yogurt factory	unknown
2360	Redundant Paths	unknown
2361	Roping the Field	unknown
2362	Corral the Cows	unknown
2363	House Numbers	Tehran 2003
2364	Rotten Ropes	Tehran 2003
2365	Optimal Keypad	Tehran 2003
2366	Hey, Pay Day!	Tehran 2003
2367	Unfoldung	Tehran 2003
2368	A DP Problem	Tehran 2003
2369	Map Labeler	Tehran 2003
2370	Balanced Chemical Equations	Tehran 2003
2371	9-18	Google Camp HCPC
2372	Recoup Traveling Expenses	Google Camp HCPC
2373	Thieves Co. Ltd	Google Camp HCPC
2374	Trees the Great	Google Camp HCPC
2375	Come on, HIT Elites	Google Camp HCPC
2376	Chinese Word Segmentation	Google Camp HCPC
2377	Triumvirate Canyon Interlocution	Google Camp HCPC
2378	Tour of Harbin	Google Camp HCPC
2379	The Master Skateboarder	Google Camp HCPC
2380	A Tough Trip	Google Camp HCPC
2381	Thank You Heroes	Google Camp HCPC
2382	Moo University - Team Tryouts	USACO 2004 March Green
2383	Moo University - Emergency Pizza Order	USACO 2004 March Green
2384	Moo University - Financial Aid	USACO 2004 March Green
2385	Cube Stacking	USACO 2004 Open
2386	The Cow Lineup	USACO 2004 Open
2387	MooFest	USACO 2004 Open
2388	Turning in Homework	USACO 2004 Open
2389	Jersey Politics	USACO 2005 February Gold
2390	Secret Milking Machine	USACO 2005 February Gold
2391	Aggressive cows	USACO 2005 February Gold
2392	The Trip, 2007	Waterloo Local Conest Sep. 24, 2006
2393	Mall Mania	Waterloo Local Conest Sep. 24, 2006
2394	Moonshine	Waterloo Local Conest Sep. 24, 2006
2395	WFF 'N PROOF	Waterloo Local Conest Sep. 24, 2006
2396	Cousins	Waterloo Local Conest Sep. 24, 2006
2397	Semi-prime H-numbers	Waterloo Local Contest Sep. 30, 2006
2398	Rectilinear polygon	Waterloo Local Contest Sep. 30, 2006
2399	Life Forms	Waterloo Local Contest Sep. 30, 2006
2400	Tautology	Waterloo Local Contest Sep. 30, 2006
2401	Rinse	Waterloo Local Contest Sep. 30, 2006
2402	Geodes	The 2006 Benelux Algorithm Programming Contest
2403	Bowling	The 2006 Benelux Algorithm Programming Contest
2404	High Spies	The 2006 Benelux Algorithm Programming Contest
2405	Digital Friends	The 2006 Benelux Algorithm Programming Contest
2406	The Bavarian Beer Party	The 2006 Benelux Algorithm Programming Contest
2407	Evacuation	The 2006 Benelux Algorithm Programming Contest
2408	Decompression	The 2006 Benelux Algorithm Programming Contest
2409	Rummikub	The 2006 Benelux Algorithm Programming Contest
2410	Make it Manhattan	The 2006 Benelux Algorithm Programming Contest
2411	Quick Change	Greater NewYork 2006
2412	Triangular Sums	Greater NewYork 2006
2413	Shuffle'm Up	Greater NewYork 2006
2414	Push Button Lock	Greater NewYork 2006
2415	Sign Message Formatting	Greater NewYork 2006
2416	Visible Lattice Points	Greater NewYork 2006
2417	Triangular N-Queens Problem	Greater NewYork 2006
2418	Non-divisible 2-3 Power Sums	Greater NewYork 2006
2419	Margaritas on the River Walk	Greater NewYork 2006
2420	Caterpillar	East Central North America 2006
2421	Hie with the Pie	East Central North America 2006
2422	Mahershalalhashbaz, Nebuchadnezzar, and Billy Bob Benjamin Go to the Regionals	East Central North America 2006
2423	The Mastermind Master's Mind	East Central North America 2006
2424	Plaque Pack	East Central North America 2006
2425	Roofing It	East Central North America 2006
2426	Snakes on a Plane	East Central North America 2006
2427	Stake Your Claim	East Central North America 2006
2428	An Introduction	fishcanfly
2429	Beginning to work	wolfshow & wywcgs
2430	Counting the algorithms	mostleg
2431	Detecting Everything to Learn	seeman & Zn
2432	E-man to Lord	fishcanfly
2433	Full of Energy	ww & wolfshow & song & wywcgs
2434	Going to know him	Zn & seeman
2435	Helping the fish	wywcgs
2436	I love you	bailey
2437	Quicksum	Mid-Central USA 2006
2438	Linear Pachinko	Mid-Central USA 2006
2439	Surprising Strings	Mid-Central USA 2006
2440	Falling Ice	Mid-Central USA 2006
2441	Frugal Search	Mid-Central USA 2006
2442	Go Go Gorelians	Mid-Central USA 2006
2443	Root of the Problem	Mid-Central USA 2006
2444	ASCII Art	Northeastern Europe 2006
2445	Billing Tables	Northeastern Europe 2006
2446	Cellular Automaton	Northeastern Europe 2006
2447	Exchange	Northeastern Europe 2006
2448	Fool's Game	Northeastern Europe 2006
2449	Java vs C++	Northeastern Europe 2006
2450	Kickdown	Northeastern Europe 2006
2451	Shoot-out	Nordic Collegiate Programming Contest 2006
2452	Tour Guide	Nordic Collegiate Programming Contest 2006
2453	Nasty Hacks	Nordic Collegiate Programming Contest 2006
2454	Jezzball	Nordic Collegiate Programming Contest 2006
2455	Card Trick	Nordic Collegiate Programming Contest 2006
2456	Traveling Salesman	Nordic Collegiate Programming Contest 2006
2457	Whac-a-Mole	Nordic Collegiate Programming Contest 2006
2458	Random Walking	Nordic Collegiate Programming Contest 2006
2459	Honeycomb Walk	Nordic Collegiate Programming Contest 2006
2460	Edge Detection	Mid-Central USA 2000
2461	The Triangle Game	Mid-Central USA 2000
2462	Easier Done Than Said?	Mid-Central USA 2000
2463	Colorville	Mid-Central USA 2000
2464	Falling Leaves	Mid-Central USA 2000
2465	Instruens Fabulam	Mid-Central USA 2000
2466	Who Can Go to America	seeman
2467	Z-curve	song
2468	Most Leg	bailey
2469	An Open Problem	mostleg
2470	The Art of Machine-Language	wolfshow
2471	Learning English	Lord Wu
2472	IR-Lab	Zn
2473	Fish Can Fly	bailey
2474	SLCA	L
2475	Simple Calendar	fishcanfly
2476	Hurdles Race	ww
2477	String's Puzzle	ACM South Central China
2478	Mountains	ACM South Central China
2479	Gold Transportation	ACM South Central China
2480	The best travel design	ACM South Central China
2481	Travel	ACM South Central China
2482	FlashGet	ACM South Central China
2483	Accelerator	ACM South Central China
2484	Find the Winning Move	Mid-central 1999
2485	Myacm Triangles	Mid-central 1999
2486	Exchange Rates	Mid-central 1999
2487	Loansome Car Buyer	Mid-central 1999
2488	Automatic Editing	Mid-central 1999
2489	Robot Motion	Mid-central 1999
2490	Saruman's Army	2006 Stanford Local Programming Contest
2491	Fibonacci	2006 Stanford Local Programming Contest
2492	Football	2006 Stanford Local Programming Contest
2493	Robot	2006 Stanford Local Programming Contest
2494	Spam	2006 Stanford Local Programming Contest
2495	Sudoku	2006 Stanford Local Programming Contest
2496	Tic-Tac-Toe	2006 Stanford Local Programming Contest
2497	Team Arrangement	Tehran2006
2498	Barbara Bennett's Wild Numbers	Tehran2006
2499	Calculating Taxi Fare	Tehran2006
2500	Party at Hali-Bula	Tehran2006
2501	Against Mammoths	Tehran2006
2502	Chessboard Dance	Tehran2006
2503	Bribing FIPA	Tehran2006
2504	Treasure of the Chimp Island	Tehran2006
2505	Kadj Squares	Tehran2006
2506	Print Words in Lines	kaohsiung 2006
2507	The Bug Sensor Problem	kaohsiung 2006
2508	Pitcher Rotation	kaohsiung 2006
2509	Lucky and Good Months by Gregorian Calendar	kaohsiung 2006
2510	Route Planning	kaohsiung 2006
2511	Shift Cipher	kaohsiung 2006
2512	A Scheduling Problem	kaohsiung 2006
2513	Click the Lines	kaohsiung 2006
2514	Perfect Service	kaohsiung 2006
2515	Number tricks	TUD06single
2516	Citystar	TUD06single
2517	Escape	TUD06single
2518	Holiday Gifts	TUD06single
2519	Fake coin	Zn
2520	Little bailey I	bailey
2521	Little bailey II	bailey
2522	Little bailey III	bailey
2523	bailey's trouble	bailey
2524	bailey's trouble II	bailey
2525	bailey's trouble III	bailey
2526	Fuzzy	bailey
2527	A simple problem	bailey
2528	1 2 and 3	fishcanfly
2529	How Many Ways	fishcanfly
2530	Special Loop	fishcanfly
2531	Accident I	wywcgs
2532	Stone I	wywcgs
2533	Stone II	wywcgs
2534	Stone III	wywcgs
2535	Spanning Tree I	wywcgs
2536	Spanning Tree II	wywcgs
2537	Kart	mostleg
2538	Print WY	fishcanfly
2539	fish REALLY swims	fishcanfly
2540	Only One Boat	fishcanfly
2541	Merry Christmas	ww
2542	Allocate Dormitories	bailey
2543	Stone IV	Lord Wu
2544	Leave an Increasing Sequence	mostleg
2545	Just for Checksum	ww
2546	The right time	fishcanfly
2547	New Term	bailey
2548	Line-Segment Intersection	seeman
2549	Shortest way on Arc	fishcanfly
2550	Beijing 2008	wolfshow
2551	Zoogle	Zn
2552	Filling Numbers	zhouguyue
2553	Formation of Chorus	NOIP 2004
2554	Bin3's Problems	SubRaY
2555	Eating Watermelon	SubRaY
2556	X-unappeared	SubRaY
2557	inflate	ACM Club Training
2558	maxsum	ACM Club Training
2559	prefix	ACM Club Training
2560	stamps	ACM Club Training
2561	MaoLaoDa Number	MaoLaoDa
2562	Thanks giving Day	zhouguyue
2563	Stone Game	NOIP2007
2564	Regional Ranklist	zhouguyue
2565	N-based Addition	NOIP2004
2566	Farmer	IOI2004
2567	Pell	Donggua
2568	LFSR	fishcanfly
2569	Next Number	mostleg
2570	Inverted Files	wolfshow
2571	Triangle	fishcanfly
2572	Naive Robot	wolfshow
2573	Life Game	mostleg
2574	Sales Promotion	ACMGroup
2575	Divide	ACMGroup
2576	Simple Computing	ACMGroup
2577	Simple Computing II	ACMGroup
2578	Super_Stack	ACMGroup
2579	Earn more!	ACMGroup
2580	Divisibility	Stanford Programming Contest 2007
2581	Go	Stanford Programming Contest 2007
2582	Game Dice	Stanford Programming Contest 2007
2583	Baking Cakes	Stanford Programming Contest 2007
2584	Pool	Stanford Programming Contest 2007
2585	Jogger	Stanford Programming Contest 2007
2586	Censorship	Stanford Programming Contest 2007
2587	Change	Stanford Programming Contest 2007
2588	Mispelling	Great New York Regional Contest 2007
2589	Conversions	Great New York Regional Contest 2007
2590	Encoding	Great New York Regional Contest 2007
2591	Decoding	Great New York Regional Contest 2007
2592	Flipping Burned Pancakes	Great New York Regional Contest 2007
2593	Monkey Vines	Great New York Regional Contest 2007
2594	Model Rocket Height	Great New York Regional Contest 2007
2595	Tiling a Grid With Dominoes	Great New York Regional Contest 2007
2596	Spatial Concepts Test	Great New York Regional Contest 2007
2597	Savings Account	Rocky Montain 2008
2598	Elementary Additions	Rocky Montain 2008
2599	Baseball	Rocky Montain 2008
2600	Coin Toss	Rocky Montain 2008
2601	GPA	Rocky Montain 2008
2602	Tree Grafting	Rocky Montain 2008
2603	Look and Say	Rocky Montain 2008
2604	Server Relocation	Rocky Montain 2008
2605	Team work	Rocky Montain 2008
2606	Vacation Rentals	Rocky Montain 2008
2607	Wavelet Compression	Rocky Montain 2008
2608	Assemble	NWERC 2008
2609	March of the Penguins	NWERC 2008
2610	Containers	NWERC 2008
2611	Youth Hostel Dorm	NWERC 2008
2612	Escape from Enemy Territory	NWERC 2008
2613	Flight Safety	NWERC 2008
2614	Summits	NWERC 2008
2615	Obfuscation	NWERC 2008
2616	Tower Parking	NWERC 2008
2617	Walk	NWERC 2008
2618	Gangs	Waterloo Contest 200709
2619	Smeech	Waterloo Contest 200709
2620	The Dragon of Loowater	Waterloo Contest 200709
2621	Tournament(spj not ready)	Waterloo Contest 200709
2622	wedding(spj not ready)	Waterloo Contest 200709
2623	An easy problem	owen
2624	Triplets	POJ monthly
2625	P=DP	bailey
2626	Terrible Virus	seeman
2627	SVM	Zn & Flyer
2628	Fibonacci Convolution	owen
2629	BT	fishcanfly
2630	Training of Lord Fish's Fan I	wywcgs
2631	Training of Lord Fish's Fan II	wywcgs
2632	Blanks in a Table	mostleg
2633	Puzzle I	bailey
2634	How to earn more	ww
2635	Weights	mostleg
2636	Puzzle II	fishcanfly
2637	Calculate Similarity	Zn
2638	Array Sum	wywcgs
2639	Billiards	ww & owen
2640	Have a Good Time	Bailey
2641	Hidden Markov Model	Bailey
2642	Keys
2643	Bi-image	seeman
2644	Volunteers of HIT	Zn
2645	WNim	wywcgs
2646	Isolated Word Recognition
2647	Megaminx	fishcanfly
2648	GSM	owen
2649	Sudoku	NWERC06
2650	The SetStack Computer	NWERC06
2651	Pie	NWERC06
2652	Ticket to Ride	NWERC06
2653	The Bookcase	NWERC06
2654	Printer Queue	NWERC06
2655	Prime Path	NWERC06
2656	Lineland's Airport	NWERC06
2657	Leonardo's Notebook	NWERC06
2658	Military Buildings	mostleg
2659	My Favourite Code	fishcanfly
2660	WORD	fishcanfly
2661	Two Sides	fishcanfly
2662	Pieces Assignment	zhouguyue
2663	Brave Robot	oibh
2664	Taking Exercise	zhouguyue & lilu0355
2665	Factory of XiaoE	zhouguyue & lilu0355 & xiaoE
2666	Average Distance	Benelux 2007
2667	Bus Pass	Benelux 2007
2668	Cutting Banknotes	Benelux 2007
2669	Dice Password Security	Benelux 2007
2670	Lingo	Benelux 2007
2671	Splitting the Loot	Benelux 2007
2672	Pachinko	Benelux 2007
2673	Hiking	Benelux 2007
2674	Ranking	Benelux 2007
2675	Stock	Benelux 2007
2676	Relation	lilu0355
2677	Instruction Set	lilu0355
2678	Stars	lilu0355
2679	Supranatural Plant	BUAA
2680	Cartesian Sum	lilu0355
2681	Magic-Pen1	lilu0355
2682	Magic-Pen2	lilu0355
2683	Magic-Pen3	lilu0355
2684	Cache	lilu0355
2685	Count Color	POJ
2686	Magic-Box	lilu0355
2687	Candy	lilu0355
2688	Color Segment	lilu0355
2689	Nail I	lilu0355
2690	Nail II	lilu0355
2691	Nail III	lilu0355
2692	Nail IV	lilu0355
2693	Open Source
2694	Antimonotonicitye
2695	Humidex
2696	Tour de France
2697	Texas Trip
2698	Exchange Rates	Waterloo local contest 23 September, 2007
2699	Conformity	Waterloo local contest 23 September, 2007
2700	Pseudoprime numbers	Waterloo local contest 23 September, 2007
2701	Carpool	Waterloo local contest 23 September, 2007
2702	Friend or Foe?	Waterloo local contest 23 September, 2007
2703	Strange Billboard	Central Europe Regional Contest 2007
2704	Phone Cell	Central Europe Regional Contest 2007
2705	Hexagonal Parcels	Central Europe Regional Contest 2007
2706	Key Task	Central Europe Regional Contest 2007
2707	Gates of Logic	Central Europe Regional Contest 2007
2708	Weird Numbers	Central Europe Regional Contest 2007
2709	Rectangular Polygons	Central Europe Regional Contest 2007
2710	Reaus! Sham! Beaux!	Central Europe Regional Contest 2007
2711	Robotic Sort	Central Europe Regional Contest 2007
2712	Tough Water Level	Central Europe Regional Contest 2007
2713	Matrix1	Classical Problem
2714	Matrix2	Asia 2003, Tehran (Iran), Preliminary
2715	Matrix3	bin3
2716	xiaoE's Sweet Game	bin3
2717	Take Bus to The Nest	xiaoE
2718	Smart Ray	Unknown
2719	Tickets	Unknown
2720	Triangle	Unknown
2721	Roll-A-Big-Ball	Unknown
2722	Magic Bracelet	Unknown
2723	Stars in Your Window	Unknown
2724	Practice	Waterloo local 2004.09.25
2725	Help!	Waterloo local 2004.09.25
2726	Treequivalence	Waterloo local 2004.09.25
2727	Test	Waterloo local 2004.09.25
2728	Antiarithmetic?	Waterloo local 2004.09.25
2729	One is an Interesting Number	Sorth Central USA 2007
2730	Verdis Quo	Sorth Central USA 2007
2731	The Screen Behind the Mirror	Sorth Central USA 2007
2732	Another Brick in the Wall	Sorth Central USA 2007
2733	The Sidewinder Sleeps Tonite	Sorth Central USA 2007
2734	Rout 66	Sorth Central USA 2007
2735	Schottkey 7th Path	Sorth Central USA 2007
2736	Another Version of the Truth	Sorth Central USA 2007
2737	The Final Countdown	Sorth Central USA 2007
2738	Shopping Plan	zhouguyue
2739	The Chinese Postman Problem	bin3
2740	Mathematical Contest in Modeling	zhouguyue
2741	The Busiest Man	zhouguyue
2742	The Shape of Donggua	fishcanfly
2743	Apple Tree	lilu0355
2744	NEWO Equipment	zhouguyue
2745	Indirect Know	xiaoE
2746	Stock Exchange	Southeastern European Regional Programming Contest
2747	Sky Code	Southeastern European Regional Programming Contest
2748	Perfect Election	Southeastern European Regional Programming Contest
2749	Lucky cities	Southeastern European Regional Programming Contest
2750	Build Your Home	Southeastern European Regional Programming Contest
2751	Quick answer	Southeastern European Regional Programming Contest
2752	Lucky numbers	Southeastern European Regional Programming Contest
2753	GCD Determinant	Southeastern European Regional Programming Contest
2754	Internet Service Providers	Southeastern European Regional Programming Contest
2755	Great Niu VS Niu Team	Hulafly
2756	Who Will Be the Winner	WorldWar3
2757	Birthday Party	NicYun
2758	Sending Messages	Smallwood
2759	Comprehensive Rank	ZhouGuyue
2760	Integration Problem	Sdfond
2761	Gibonacci Sequence	XiaoE
2762	Equilibrium Points	FallingFlowers
2763	Rank and File	Unknow
2764	The Extent of the Problem	Unknow
2765	Filtration	Unknow
2766	Like Water for Clay	Unknow
2767	Wandering Aimlessly	Unknow
2768	Cables ... in Spaaace!	Unknow
2769	Patterns and Pictures	Unknow
2770	No Wormholes Were Harmed	Unknow
2771	Tribute (Editor)	Unknow
2772	Adventure in Bermuda	Owen && sdfond
2773	Bones	Hulafly
2774	Heros Test	NicYun
2775	Network of Schools	lilu03555
2776	Swap it	domisol
2777	An Interesting Problem	Edelweiss
2778	CPU Scheduling	FallingFlowers
2779	Location Method for Colors	ZhouGuyue
2780	MegaCoolNumbers	smallwood
2781	Dota Allstars	ybbaigo
2782	Alfredo's Pizza Restaurant	ulm
2783	Broken Keyboard	ulm
2784	El Dorado	ulm
2785	The Game	ulm
2786	Convert Kilometers to Miles	ulm
2787	Unique Snowflakes	Waterloo ACM Programming Contest February 8, 2009
2788	Ocean Currents	Waterloo ACM Programming Contest February 8, 2009
2789	Colliding Traffic	Waterloo ACM Programming Contest February 8, 2009
2790	Roads	TopCoder
2791	Scrolling Sign	Waterloo ACM Programming Contest February 8, 2009
2792	Castlevania - Dracula X	ZOJ
2793	Apocalyptic Alignment	2008 Stanford Local Programming Contest
2794	Boundless Boxes	2008 Stanford Local Programming Contest
2795	Cargo Carriage	2008 Stanford Local Programming Contest
2796	Dreadful Deadlines	2008 Stanford Local Programming Contest
2797	Folded Fixtures	2008 Stanford Local Programming Contest
2798	Globulous Gumdrops	2008 Stanford Programming Contest
2799	Cat vs Dog	NWERC 2008
2800	Artillery Assignment	NOI 2001
2801	The Perfect Stall	USACO Training
2802	Mixed Up Cows	USACO 2008 November Gold
2803	Light Switching	USACO 2008 November Gold
2804	Ski Lessons	USACO 2009 Open Gold
2805	Hide and Seek	USACO 2009 Open Silver
2806	Secret Message	USACO 2008 December Gold
2807	Patting Heads	USACO 2008 December Silver
2808	Cylinder	ulm 2007
2809	Matchsticks	NWERC 2008
2810	Annoying painting tool	Nordic 2007
2811	Earthquake Damage	USACO Open
2812	Full Tank	Nordic 2007
2813	Garden visiting	2009 China North East Local Contest
2814	Max Chain	2009 China North East Local Contest
2815	Min Chain	2009 China North East Local Contest
2816	Power Line	2009 China North East Local Contest
2817	Sushi	2009 China North East Local Contest
2818	Treasure Hunter	2009 China North East Local Contest
2819	Xian-Xiang	2009 China North East Local Contest
2820	Paper Cut	2009 China North East Local Contest
2821	The New Game at Discoveryland	2009 China North East Local Contest
2822	Give Me The Result	ZOJ
2823	Song List	ZOJ
2824	Pasture Walking	USACO 2008 Open
2825	Watering Hole	USACO 2008 Open
2826	Another Chocolate Maniac	sgu
2827	Painting A Board	Tehran 1999
2828	The k-th String sequence	icecream
2829	kebab	Edelweiss
2830	Orefield Design	EvilSeraph
2831	Drr1 Numbers	NicYun
2832	Lou 1 Zhuang	Hulafly
2833	Watering Hole	FallingFlowers
2834	Check Corners	imems
2835	Without Zero	sdfond
2836	Longest Repeated Substring	icecream
2837	To Be Or Not To Be	imems
2838	Nim or not Nim?	jifeifei1989
2839	I love sneakers!	domisol
2840	Board Game	EvilSeraph
2841	War	Edelweiss
2842	Escape	Robin
2843	Saving Beans	sdfond
2844	How Many Answers Are Wrong	FallingFlowers
2845	A high-dimensional problem	jifeifei1989
2846	Minimum Radius	sdfond
2847	Minimum Square	sdfond
2848	Wooden Fence	CTU Open 2008
2849	Cutting Trees	TJU
2850	Football Club	TJU
2851	Gobbin's Topology	TJU
2852	Happiness	TJU
2853	Happy Value	TJU
2854	Marsquake	TJU
2855	Perfect Present	TJU
2856	Solgyong's Problem	TJU
2857	Three Kingdoms	TJU
2858	Word Cycle	TJU
2859	Arrest	Nudt
2860	Counting spanning trees	Nudt
2861	Gcd & Lcm game	Nudt
2862	Intelligence System	Nudt
2863	Mars Life Tree	Nudt
2864	Multiply game	Nudt
2865	Mystery ET	Nudt
2866	ssworld VS DDD	Nudt
2867	Recursive Ants	Nudt
2868	Network	Nudt
2869	Soda Surpler	Nordic Collegiate Programming Contest 2009
2870	Money Matters	Nordic Collegiate Programming Contest 2009
2871	Allergy Test	Nordic Collegiate Programming Contest 2009
2872	Rain Fall	Nordic Collegiate Programming Contest 2009
2873	Speedy Escape	Nordic Collegiate Programming Contest 2009
2874	Gokigen Naname	Nordic Collegiate Programming Contest 2009
2875	Flight Planning	Nordic Collegiate Programming Contest 2009
2876	Beacons	Nordic Collegiate Programming Contest 2009
2877	Playfair Cipher	Nordic Collegiate Programming Contest 2009
2878	Code Permutations	Nordic Collegiate Programming Contest 2009
2879	The rearrangements of the numbers	2009 ACM/ICPC Asia Regional Harbin Site Warmup
2880	prison break	2009 ACM/ICPC Asia Regional Harbin Site Warmup
2881	huhupao	2009 ACM/ICPC Asia Regional Harbin Site Warmup
2882	Sudoku Extension	2009 ACM/ICPC Asia Regional Harbin Site Onsite
2883	Bing it	2009 ACM/ICPC Asia Regional Harbin Site Onsite
2884	String of Candied Haws	2009 ACM/ICPC Asia Regional Harbin Site Onsite
2885	Gold Mines	2009 ACM/ICPC Asia Regional Harbin Site Onsite
2886	Mechine Translation II	2009 ACM/ICPC Asia Regional Harbin Site Onsite
2887	Mission Impossible	2009 ACM/ICPC Asia Regional Harbin Site Onsite
2888	Fuzzy Google Suggest	2009 ACM/ICPC Asia Regional Harbin Site Onsite
2889	Offset Recovery	2009 ACM/ICPC Asia Regional Harbin Site Onsite
2890	The Number of Sequence Pair	2009 ACM/ICPC Asia Regional Harbin Site Onsite
2891	FM	2009 ACM/ICPC Asia Regional Harbin Site Onsite
2892	YY, and YY again	2009 ACM/ICPC Asia Regional Harbin Site Onsite
2893	A Simple Problem	Darkgt
2894	Perfect Fill	PerfectCai
2895	The Challenge From James Bond	jerrybond
2896	Who Will Be The Winner	wujiawei
2897	The HOJ List	Lambyy
2898	Would You Like Fish	Polaris
2899	X.O.X.O Gossip Girl	Williamed
2900	70's problem	sevenzero
2901	Calculation	GTmac
2902	The Super Power	GTmac
2903	Bacteria Competence	Lambyy
2904	Rails Again	Oneplus
2905	Bonsai	Stanford Programming Contest 2009
2906	Fruit Bowl	Stanford Programming Contest 2009
2907	Number Game	Stanford Programming Contest 2009
2908	Leap Frog	Stanford Programming Contest 2009
2909	Rectangles I	Stanford Programming Contest 2009
2910	Rectangles II	Stanford Programming Contest 2009
2911	The War of Wolves	The 34th ACM/ICPC Asia Regional Harbin Preliminary
2912	Counting	The 34th ACM/ICPC Asia Regional Harbin Preliminary
2913	The Coolest Search Engine	The 34th ACM/ICPC Asia Regional Harbin Preliminary
2914	When Can Jack Go To The Sun Island?	The 34th ACM/ICPC Asia Regional Harbin Preliminary
2915	The Best Permutation	The 34th ACM/ICPC Asia Regional Harbin Preliminary
2916	Convex Hull	The 34th ACM/ICPC Asia Regional Harbin Preliminary
2917	Machine Translation	The 34th ACM/ICPC Asia Regional Harbin Preliminary
2918	Generalized Fibonacci	The 34th ACM/ICPC Asia Regional Harbin Preliminary
2919	Find Out The Commodity Code	The 34th ACM/ICPC Asia Regional Harbin Preliminary
2920	Escape	The 34th ACM/ICPC Asia Regional Harbin Preliminary
2921	Best Cow Fences	USACO
2922	Maze on Fire	ACMGroup
2923	Late Professor	ACMGroup
2924	Lottery Cheating	ACMGroup
2925	Lottery Pyaterochka	ACMGroup
2926	Common Subexpression Elimination	NWERC09
2927	Mountain Road	NWERC09
2928	Moving to Nuremberg	NWERC09
2929	Settlers of Catan	NWERC09
2930	Perfect Fill II	ACMGroup
2931	Time Travel	USACO 2010 Open
2932	Greatest Greatest Common Divisor	SGU
2933	Rocks and Trees	USACO Holiday 2010 Bonus
2934	Simple Math Question	ACM Group
2935	Destroy HIT	ACM Group
2936	Tower of Hanoi	ACM Group
2937	Point	ACM Group
2938	Number Permutation	ACM Group
2939	Coin Question	ACM Group
2940	Pit Lord	ACM Group
2941	Sequences	Xnozero
2942	Buy Tickets	Xnozero
2943	A Game	Xnozero
2944	whosyourdaddy	sevenzero
2945	Flight	Edelweiss
2946	Fling	EvilSeraph
2947	Calculation 2	GTmac
2948	Huson's Adventure Island	imems
2949	Perfect Sequence	jifeifei1989
2950	Best String	luzilon1
2951	Writing Robot	Oneplus
2952	Monkey Party	PerfectCai
2953	Print Article	Xnozero
2954	PD EERT	PerfectCai&Xnozero
2955	Two DP Theives	PerfectCai&Xnozero
2956	Snail	sevenzero
2957	Word Game	sevenzero
2958	Egypt Fraction	Classic Problem
2959	Target Sudoku	Unknown
2960	Fence Rail	sevenzero
2961	Board Game II	Lambyy
2962	Queue in dining halls	sevenzero
2963	Count Subset	Darkgt
2964	Distance in a tree	Darkgt
2965	Magic-Pen4	Darkgt
2966	Sensitive Words	Darkgt
2967	Sanguosha	wujiawei&&Lambyy
2968	Presents	CodeForces 136A
2969	Sanguosha and Card	yangjing && wujiawei
2970	Print Factor	Lambyy
2971	Fibonacci Extension	Lambyy
2972	Tree	luzilon1
2973	Moving!Robot	PerfectCai
2974	Police in Manhattan	jerrybond
2975	2012	Williammed
2976	A Winter Story	Oneplus
2977	Cut Corner	Gtmac
2978	Fence	Xnozero
2979	Escape from Pyramids	Lambyy
2980	Hide and Seek	Lambyy
2981	WWW WW and W	Debug Cool
2982	Just Guess It	Vince_Frost
2983	Just Cover It	jerrybond
2984	Hexagon Nightmare	Oneplus
2985	Magic Space	wujiawei
2986	Battle City II	sevenzero
2987	HIT Network	Williammed
2988	Coins	GTmac
2989	Zhou Yi	sevenzero
2990	Inception	luyi0619
2991	Find the Point	wujiawei
2992	Chinese Chess	Alex
2993	Simple PIN	Vince_Frost
2994	Fibonacci Extended	yangjing
2995	Area	discover
2996	Harry Potter and Algorithm	Williammed
2997	Our Hero Is Under Attack	chenyuanqin
2998	prime root	Lancelot
2999	AAAAHH!Overbooked!	Stanford Local Programming Contest
3000	Betting Sets	Stanford Local Programming Contest
3001	Counting Pixels	Stanford Local Programming Contest
3002	Matryoshka Dolls	Stanford Local Programming Contest
3003	Equilateral Dominoes	Stanford Local Programming Contest
3004	Four Gate Push	Stanford Local Programming Contest
3005	Game Rigging	Stanford Local Programming Contest
3006	Highway Construction	Stanford Local Programming Contest
3007	Burns' Rods	Stanford Local Programming Contest
3008	Matryoshka Dolls, Again	Stanford Local Programming Contest
3009	Futurama	Stanford Local Programming Contest
3010	G-Avoiding Sequence	Stanford Local Programming Contest
3011	Another Stone Game	Lambyy
3012	Basic Linear Algebra	Lambyy
3013	Cutting Chocolate	Lambyy
3014	Determine Prime	Lambyy
3015	Zhou Yi II	HIT ACM/ICPC Group
3016	RPNF	HIT ACM/ICPC Group
3017	Default Password	HIT ACM/ICPC Group
3018	Censorship	HIT ACM/ICPC Group
3019	The Final Battle of Daydream	HIT ACM/ICPC Group
3020	Costume Party	HIT ACM/ICPC Group
3021	Go Home	HIT ACM/ICPC Group
3022	Alex's Problem	HIT ACM/ICPC Group
3023	Zero Pair	Xnozero
3024	Best Fit Ring	jerrybond
3025	Seven Roads	Darkgt
3026	Shortest Path	Darkgt
3027	Power-supply System	Xnozero
3028	Play Beans Beans	Lambyy
3029	Dictionary	yangjing
3030	Find the Fraction	Lambyy
3031	Biathlon	code forces
3032	Friends	code forces
3033	Frames	code forces
3034	mysterious	topcoder SRM 512
3035	Chef team	darkgt
3036	Bug vs Patch	xiaodao
3037	An ABC Problem	Alex
3038	step number	xnozero
3039	another number game	xnozero
3040	Team Mate	lancelot
3041	Team Mate II	lancelot
3042	Just Calculate	lancelot
3043	M Divide N	discover
3044	Crisis	HIT ACM Group
3045	Microgene	HIT ACM Group
3046	Sisters	HIT ACM Group
3047	Find the Simple Circle	HIT ACM Group
3048	Random Function	HIT ACM Group
3049	Aragorn's Story	HIT ACM Group
3050	Zero's Number	HIT ACM Group
3051	Angry Birds Again	HIT ACM Group
3052	Crazy Basketball Fun	HIT ACM Group
3053	Harmonious Set	HIT ACM Group
3054	Play With Sequence	HIT ACM Group
3055	Binary Number	CodeForces 92B
3056	Wonderful Randomized Sum	CodeForces 33C
3057	Cai's DOTA game	PerfectCai
3058	An Industrial Spy	Northwestern Europe Regional Contest 2009
3059	Divisible Subsequences	Northwestern Europe Regional Contest 2009
3060	Room Assignments	Northwestern Europe Regional Contest 2009
3061	Wormholes	Northwestern Europe Regional Contest 2009
3062	Fair Division	Northwestern Europe Regional Contest 2010
3063	Free Goodies	Northwestern Europe Regional Contest 2010
3064	High Score	Northwestern Europe Regional Contest 2010
3065	Hill Driving	Northwestern Europe Regional Contest 2010
3066	Rankings	Northwestern Europe Regional Contest 2010
3067	Risk	Northwestern Europe Regional Contest 2010
3068	Stock Prices	Northwestern Europe Regional Contest 2010
3069	Little Pigs and Wolves	CodeForces 116B
3070	Party	CodeForces 115A
3071	Lawnmower	CodeForces 115B
3072	cAPS LOCK	CodeForces 131A
3073	Yet Another Task with Queens	CodeForces 131E
3074	The Position	CodeForces
3075	Train	CodeForces
3076	Replacement	CodeForces
3077	Restoring Password	CodeForces
3078	Ternary Logic	CodeForces
3079	The World is a Theatre	CodeForces
3080	CSDN Story	luyi0619
3081	Reverse Sort	Canoe
3082	Circle Fan	alex
3083	Idiots Problem	lancelot
3084	Santa Claus and Candies	yangjing
3085	Santa Claus and Gifts	yangjing & catherine
3086	Noah's Ark tickets	luyi0619
3087	Discover's Problem I	discover
3088	Dibonacci	lancelot
3089	Print Code	luyi0619
3090	A Multiply B	yangjing & luyi0619
3091	Encoding Wave	ronaflx
3092	Discover's Problem II	discover
3093	MineSweeper	luyi0619
3094	Checkpoint	Facebook HackerCup 2012 Round 1
3095	Recover the Sequence	Facebook HackerCup 2012 Round 1
3096	Squished Status	Facebook HackerCup 2012 Round 1
3097	Road Removal	Facebook HackerCup 2012 Round 2
3098	ronaflx map	ronaflx
3099	Lucky Game	luyi0619
3100	Lucky Sequence	luyi0619
3101	Alphabet Soup	Southwestern Europe Regional Contest 2011
3102	Coin Collecting	Southwestern Europe Regional Contest 2011
3103	Cybercrime Donut Investigation	Southwestern Europe Regional Contest 2011
3104	Distributing Ballot Boxes	Southwestern Europe Regional Contest 2011
3105	Game, Set and Match	Southwestern Europe Regional Contest 2011
3106	Guess the Numbers	Southwestern Europe Regional Contest 2011
3107	Non-negative Partial Sums	Southwestern Europe Regional Contest 2011
3108	Peer Review	Southwestern Europe Regional Contest 2011
3109	Regular Convex Polygon	Southwestern Europe Regional Contest 2011
3110	Remoteland	Southwestern Europe Regional Contest 2011
3111	Best Point	luyi0619
3112	Set S	NightBalance
3113	Quantum Blasting	NightBalance
3114	The Most Reliable Net Path	Yankaifyyy
3115	History Repeat Itself	阿姨洗铁路
3116	The savior of Azeroth	xiaodai
3117	Score Sequence	luyi0619
3118	BWT	canoe
3119	Pipe Line	yangjing
3120	(A-B)%C	yangjing
3121	Less Grandpa Mao Is More	benny391
3122	Water Supply System	rpk74m
3123	Vertical Sticks
3124	The Ruler
3126	Birds in woods
3127	DNA Sorting	East Central North America 1998
3128	Maximum sum	POJ Contest
3129	Wash face	HCPC FALL 2012
3130	Qie-Gao	HCPC FALL 2012
3131	Not A Water Problem	HCPC FALL 2012
3132	CHI-HUO Little P	HCPC FALL 2012
3133	White-box testing	HCPC FALL 2012
3134	Xiaodai’s Budget Program	HCPC FALL 2012
3135	Magic Pen 5	HCPC FALL 2012
3136	To help the beauty	HCPC FALL 2012
3137	Rank K	HCPC FALL 2012
3138	Discover's problem	HCPC FALL 2012
3139	Bombers
3140	乌龟棋	Noip 2010
3141	Triangle
3142	Lian Lian Kan
3143	Cakes
3144	Trim the Nails
3145	Alpaka Evolution	Timer

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