ZSTUOJ

题目编号	标题	来源/分类	解决	提交
1002	Booklet Printing	Mid-Centra USA 1998	366	1408
1003	Adding Reversed Numbers	Central Europe 1998	658	1517
1007	Hares and Foxes	Central Europe 1998	5	58
1012	HangOver	Mid-Centra USA 2001	882	1235
1015	A New Growth Industry	Mid-Atlant USA 2001	190	442
1016	Financial Management	Mid-Atlant USA 2001	1172	2350
1017	碉堡	Zhejiang University Local Contest 2001 zj01002	754	1217
1018	Humble Numbers	University of Ulm Local Contest 1996 zjo1095	213	495
1019	Closest Common Ancestors	Southeaste Europe 2000 zjo1141	75	130
1020	Color Me Less	Greater New York 2001 zjo1067	154	226
1021	Digital Roots	Greater New York 2000 zjo1115	962	3026
1022	Integer Inquiry	East Central North America 1996 zjo1292	369	1556
1023	Mileage Bank	Asia 2002, Beijing (Mainland China)zjo1	146	235
1024	Wooden Sticks	Asia 2001, Taejon (South Korea) zoj1025	287	613
1025	Human Gene Functions	Asia 2001, Taejon (South Korea) zoj1027	100	155
1026	To the Max	Greater New York 2001 zoj1074	318	502
1027	Monkey and Banana	University of Ulm Local Contest 1996 zoj1093	152	264
1028	Gnome Tetravex	Asia 2001, Shanghai (Mainland China)	46	69
1029	Matrix Chain Multiplication	University of Ulm Local Contest 1996 zoj1094	37	59
1030	Mondriaan's Dream	University of Ulm Local Contest 2000 zoj1100	69	112
1031	Multiple	Southeaste Europe 2000 zoj1136	53	161
1032	Dividing	Mid-Centra European Regional Contest 1999 zoj1149	189	515
1033	Biker's Trip Odometer	Greater New York 2003zoj181	440	744
1034	No Brainer	South Central USA 2004 zoj2201	561	674
1036	Function Run Fun	Pacific Northwest 1999,zoj11	176	392
1037	Knight Moves	University of Ulm Local Contest 1996,zoj10	251	488
1038	Jugs	South Central USA Region, 1997	61	251
1039	Rescue	ZOJ Monthly, October 2003,zoj16	322	1404
1040	Crashing Balloon	Zhejiang University Local Contest 2001,zoj10	42	92
1041	T-Shirt Gumbo	South Central USA 2003,aoj21	32	61
1042	Vase Collection	Northweste Europe 2003,zoj19	14	26
1043	Addition Chains	University of Ulm Local Contest 1997,zoj19	36	61
1044	Genetic Code	University of Ulm Local Contest 2003,zoj19	28	63
1045	Finding Rectangles	Mid-Centra USA 1998,zoj11	16	39
1046	Increasing Sequences	East Central North America 2002,zoj14	13	44
1047	Dungeon Master	University of Ulm Local Contest 1997,zoj19	140	292
1048	Hike on a Graph	University of Ulm Local Contest 2000,zoj11	23	53
1056	Mapping the Route	North Central Regionals 1997	2	4
1057	Is It A Tree?	1997-98 North Central Regionals	166	413
1058	Doing Windows	1997-98 North Central Regionals	2	6
1059	Numerically Speaking	1997-98 North Central Regionals	64	99
1061	Stockbroker Grapevine	Southern African Regional 2001	117	193
1062	Frame Stacking	Southern African Regional 2001	7	38
1063	Channel Allocation	Southern African Regional 2001	30	55
1064	Alien Security	Southern African Regional 2001	17	41
1065	Octal Fractions	Southern African Regional 2001	124	186
1066	Cracking the Code	Southern African Regional 2001	0	2
1067	Optimal Programs	Southweste European Regional Contest 1998	0	2
1068	The die is cast	Southweste European Regional Contest 1998	18	48
1069	It's not a Bug, it's a Feature!	Southweste European Regional Contest 1998	2	5
1070	Reflections	Southweste European Regional Contest 1998	8	13
1071	Going in circles on Alpha Centauri	Southweste European Regional Contest 1998	0	3
1072	Blowing Fuses	Southweste European Regional Contest 1998	408	1500
1073	Fast Food	Southweste European Regional Contest 1998	30	74
1074	Sorting Slides	Southweste European Regional Contest 1998	18	41
1075	Single-Player Games	Southweste European Regional Contest 1998	3	9
1119	Rails	Central European Regional Contest 1997	74	135
1120	king	Central European Regional Contest 1997	31	55
1121	Prime Land	Central European Regional Contest 1997	40	156
1122	Word	Central European Regional Contest 1997	12	29
1123	Time	Central Europe 1997	1	4
1124	Puzzle	Central Europe 1997	1	2
1125	Append	Central Europe 1997	1	2
1126	Gossiping	Central Europe 1997	12	33
1128	Forcal	Central Europe 1996	0	1
1129	L-system	Central Europe 1996	0	1
1130	Packets	Central Europe 1996	406	776
1131	Crosswords	Central Europe 1996	0	1
1132	Intervals	Central Europe 1996	6	8
1133	Robot	Central Europe 1996	8	17
1134	Network	Central Europe 1996	34	54
1135	Cipher	Central Europe 1995	41	169
1136	Department	Central Europe 1995	0	1
1137	Joseph	Central Europe 1995	63	108
1138	Maya Calendar	Central Europe 1995	29	86
1139	Pipe	Central Europe 1995	20	32
1140	Sticks	Central Europe 1995	17	282
1141	Transportation	Central Europe 1995	44	98
1142	John's trip	Central Europe 1995	10	13
1143	Box of Bricks	Southweste European Regional Contest 1997	601	1297
1144	Carbon Dating	Southweste Europe 1997, Practice	77	176
1145	Instant Complexity	Southweste European Regional Contest 1997	15	27
1146	Definite Values	Southweste Europe 1997, Practice	75	169
1147	Geometry Made Simple	Southweste Europe 1997, Practice	168	411
1148	IBM Minus One	Southweste Europe 1997, Practice	161	287
1149	Island of Logic	Southweste European Regional Contest 1997	0	1
1150	MBone	Southweste European Regional Contest 1997	0	9
1151	Always On the Run	Southweste European Regional Contest 1997	42	77
1152	Pushing Boxes	Southweste European Regional Contest 1997	2	13
1153	There's Treasure Everywhere!	Southweste European Regional Contest 1997	23	84
1154	Triangles	Southweste European Regional Contest 1997	18	32
1155	URLs	Southweste Europe 1997, Practice	98	311
1156	Video Surveillance	Southweste European Regional Contest 1997	14	16
1157	Floppies	Southweste Europe 1996, Practice	0	8
1158	Golf	Southweste Europe 1996, Practice	119	219
1159	Reverse Text	Southweste Europe 1996, Practice	191	273
1160	Border	Southweste European Regional Contest 1996	18	42
1161	Domino Effect	Southweste European Regional Contest 1996	10	41
1162	Hexagon	Southweste European Regional Contest 1996	1	2
1163	Jury Compromise	Southweste European Regional Contest 1996	9	63
1164	Pendulum	Southweste European Regional Contest 1996	0	1
1165	Ships	Southweste European Regional Contest 1996	0	1
1166	Stars	Southwest Europe 1996	0	1
1167	The New Villa	Southweste European Regional Contest 1996	0	1
1169	Transmitters	Mid-Centra USA 2001	7	18
1170	Traffic Jam	Southeast USA 1999	1	2
1173	The Proper Key	Central Europe 1999	0	1
1187	Substitution Cipher	Central Europe 1998	0	1
1188	Skyscraper Floors	Central Europe 1998	0	2
1189	Invitation Cards	Central Europe 1998	174	324
1190	Glass Beads	Central Europe 1998	32	46
1191	Copying Books	Central Europe 1998	24	88
1192	Commedia dell' arte	Central Europe 1998	3	5
1202	Secret Code	Central Europe 1999	0	1
1203	Run Away	Central Europe 1999	31	47
1204	Play on Words	Central Europe 1999	43	120
1205	Piggy-Bank	Central Europe 1999	87	148
1206	Lifting the Stone	Central Europe 1999	19	41
1207	Labyrinth	Central Europe 1999	5	9
1208	Equipment Box	Central Europe 1999	15	85
1209	Oh, Those Achin' Feet	Mid-Atlant 2001	0	0
1210	Numbers That Count	East Central North America 1998	5	17
1211	Number Game	North-West Europe 2001,CTU FEE Local 2004	0	0
1226	Formatting Text	Mid-Centra European Regional Contest 1999	0	4
1241	A + B Problem	zoj1001	1044	2252
1250	Self Numbers	Mid-Centra USA 1998	274	452
1258	I Think I Need a Houseboat	Mid-Atlant 2001	459	1055
1259	Word Reversal	East Central North America 1999, Practice	397	856
1260	Skew Binary	Mid-Centra USA 1997	213	282
1261	Parencodings	Asia 2001, Tehran (Iran)	216	557
1265	Biorhythms	East Central North America 1999; Pacific Northwest 1999	1200	2786
1276	Round and Round We Go	Greater New York 2001	160	350
1280	A + B Problem Too	hdu2101	964	1527
1284	Bus Story	IPSC 2007.5.11	1	4
1285	Calling Me Calling You	IPSC 2007.5.11	0	0
1286	Delicious Cake	IPSC 2007.5.11	0	4
1287	Here-There	IPSC 2007.5.11	0	5
1288	Internet is Faulty	IPSC 2007.5.11	1	1
1289	jPix	IPSC 2007.5.11	0	1
1290	Little Peter's Tower	IPSC 2007.5.11	0	1
1313	Minimum Transport Cost	Asia 1996, Shanghai (Mainland China)	20	67
1326	Calendar Game	Asia 2001, Taejon (South Korea)	16	24
1327	Modular multiplication of polynomials	Asia 2001, Taejon (South Korea)	12	47
1328	Flip and Shift	Asia 2001, Taejon (South Korea)	86	151
1329	Moving Tables	Asia 2001, Taejon (South Korea)	2092	4470
1330	Farmland	Asia 2001, Taejon (South Korea)	0	1
1331	Square Destroyer	Asia 2001, Taejon (South Korea)	10	11
1332	The Bermuda Triagle	Asia 2001, Tehran (Iran)	0	0
1333	Deformed Wheel	Asia 2001, Tehran (Iran)	0	0
1334	Illusive Chase	Asia 2001, Tehran (Iran)	0	0
1335	Puzzle Out	Asia 2001, Tehran (Iran)	0	0
1336	The Willy Memorial Program	Asia 2001, Tehran (Iran)	0	0
1337	Parallel Expectations	Asia 2001, Tehran (Iran)	0	2
1338	University Entrace Examination	Asia 2001, Tehran (Iran)	0	0
1375	(Your)((Term)((Project)))	Tehran 1999	25	51
1376	Painting A Board	Tehran 1999	22	43
1377	Crossed Matchings	Tehran 1999	69	91
1378	Counting Rectangles	Tehran 1999	25	48
1379	An Old Stone Game	Tehran 1999	24	34
1380	Magazine Delivery	Tehran 1999	12	24
1381	Space Ant	Tehran 1999	14	16
1382	The Erythea Campaign	Tehran 1999	0	0
1421	A Mathematical Curiosity	Problem Source: East Central North America 1999, Practice	460	1294
1422	Tournament Seeding	East Central North America 1999, Practice	4	13
1423	Niven Numbers	East Central North America 1999, Practice	205	750
1424	Gizilch	South Central USA 1998	0	2
1425	Triangle War	East Central North America 1999	0	1
1426	Unscrambling Images	East Central North America 1999	0	0
1427	A Plug for UNIX	East Central North America 1999	33	59
1428	Treasure Hunt	East Central North America 1999	18	35
1429	487-3279	East Central North America 1999	36	125
1430	Gone Fishing	East Central North America 1999	478	895
1431	The Same Game	East Central North America 1999	1	1
1467	Lining Up	East Central North America 1994	73	171
1468	Simply Syntax	East Central North America 1994	8	9
1469	TEX Quotes	East Central North America 1994	89	169
1470	Jack Straws	East Central North America 1994	2	5
1471	Cat and Mouse	East Central North America 1994	0	0
1472	Expanding Fractions	East Central North America 1994	13	25
1473	Egyptian Multiplication	East Central North America 1994	1	1
1474	Cabinets	East Central North America 1994	0	0
1475	Keeps Going and Going and ...	East Central North America 1998	0	0
1476	Scheduling Lectures	East Central North America 1998	13	23
1477	Counterfeit Dollar	East Central North America 1998	824	1390
1478	Metal Cutting	East Central North America 1998	3	5
1479	Parallel Deadlock	East Central North America 1998	0	0
1480	DNA Sorting	East Central North America 1998	142	278
1481	What's In A Name?	East Central North America 2001	6	6
1482	Sorting It All Out	East Central North America 2001	33	50
1483	Web Navigation	East Central North America 2001	25	33
1484	Trees Made to Order	East Central North America 2001	10	10
1485	Space Station Shielding	East Central North America 2001	0	0
1486	Roads Scholar	East Central North America 2001	0	0
1487	Robots	East Central North America 2001	0	0
1488	Square Ice	East Central North America 2001	10	22
1489	Bode Plot	Greater New York 2001	16	19
1490	Follow My Logic	Greater New York 2001	0	0
1491	Microprocessor Simulation	Greater New York 2001	4	6
1492	P,MTHBGWB	Greater New York 2001	40	55
1493	Plato’s Blocks	Greater New York 2001	0	0
1501	Start Up the Startup	Mid-Atlant 2001	2	33
1502	Algernon's Noxious Emissions	Mid-Atlant 2001	0	0
1503	FDNY to the Rescue!	Mid-Atlant 2001	6	6
1504	For the Porsche	Mid-Atlant 2001	0	0
1505	Gleaming the Cubes	Mid-Centra USA 1993	10	13
1506	Dart-a-Mania	Mid-Centra USA 1993	0	0
1507	The Programmer's Hex	Mid Central Regionals 1993	0	0
1508	A Logical Problem	ACM Mid-Centra Regional 1993	0	0
1509	Soundex Indexing	ACM Mid-Centra Regional 1993	3	13
1510	Basically Speaking	Mid-Centra USA 1995	55	151
1511	Perfect Cubes	Mid-Centra USA 1995	165	289
1512	DNA Translation	Mid-Centra USA 1995	2	16
1513	Galactic Import	Mid-Centra USA 1995	0	0
1514	Mark-up	Mid-Centra USA 1995	0	0
1515	A Puzzling Problem	Mid-Centra USA 1995	0	0
1516	Letter Sequence Analysis	Mid-Centra USA 1995	0	0
1517	Polynomial Showdown	Mid-Centra USA 1996	31	95
1518	The Doors	Mid-Centra USA 1996	24	48
1519	Mapmaker	Mid-Centra USA 1996	0	0
1520	Board Silly	Mid-Centra USA 1996	1	15
1521	Top Dog	Mid-Centra USA 1996	1	1
1522	Equation Elation	Mid-Centra USA 1996	0	0
1523	18 Wheeler Caravans (aka Semigroups)	Mid-Centra USA 1996	0	1
1524	Cowculations	Mid-Atlant 1996	1	6
1525	Intersecting Lines	Mid-Atlant 1996	22	27
1526	Hi-Q	Mid-Atlant 1996	0	1
1527	Call Forwarding	Mid-Atlant 1996	0	0
1528	Making the Grade	Mid-Atlant 1996	0	0
1529	Perfection	Mid-Atlant 1996	98	213
1530	Shipping Routes	Mid-Atlant 1996	0	6
1531	Slurpys	Mid-Atlant 1996	0	0
1532	Haiku Review	Mid-Centra USA 1997	13	22
1533	Oil Deposits	Mid-Centra USA 1997	501	742
1534	The Snail	Mid-Centra USA 1997	135	417
1535	Sum It Up	Mid-Centra USA 1997	69	143
1536	WIMP	Mid-Centra USA 1997	0	0
1537	Don't Get Rooked	Mid-Centra USA 1998	9	12
1538	Do the Untwist	Mid-Centra USA 1998	9	13
1539	Word Amalgamation	Mid-Centra USA 1998	807	1250
1540	Automatic Editing	Mid-Centra USA 1999	1	1
1541	Exchange Rates	Mid-Centra USA 1999	2	2
1542	Loansome Car Buyer	Mid-Centra USA 1999	1	1
1543	Robot Motion	Mid-Centra USA 1999	108	203
1544	Myacm Triangles	Mid-Centra USA 1999	4	4
1545	Find the Winning Move	Mid-Centra USA 1999	0	0
1552	Double Vision	Mid-Centra USA 2001	0	1
1553	Image Perimeters	Mid-Centra USA 2001	41	64
1554	Index Generation	Mid-Centra USA 2001	0	0
1555	Split Windows	Mid-Centra USA 2001	0	0
1556	W's Cipher	Mid-Centra USA 2001	3	4
1564	Coconuts, Revisited	North Central North America 1997	27	46
1565	Nonstop Travel	North Central North America 1997	1	18
1583	Area	Northweste Europe 2001	24	45
1584	Ambiguous Dates	Northweste Europe 2001	0	0
1585	Cog-Wheels	Northweste Europe 2001	0	3
1586	Cube	Northweste Europe 2001	0	0
1587	Enigma	Northweste Europe 2001	0	0
1588	Gridland	Northweste Europe 2001	53	71
1589	T9	Northweste Europe 2001	19	35
1590	Signal Box	Northweste Europe 2001	0	0
1591	A Duckpin Tournament	Pacific Northwest 1997	0	0
1592	The Path	Pacific Northwest 1997	0	0
1593	What Day Is It?	Pacific Northwest 1997	10	101
1594	Parking Lot	Pacific Northwest 1997	0	0
1595	The Boggle Game	Pacific Northwest 1997	0	0
1596	BULK MAILING	Pacific Northwest 1998	0	0
1597	Chutes and Ladders	Pacific Northwest 1998	0	0
1598	IMMEDIATE DECODABILITY	Pacific Northwest 1998	29	48
1599	FILE MAPPING	Pacific Northwest 1998	0	0
1600	STAMPS	Pacific Northwest 1998	7	11
1601	Square Cipher	Pacific Northwest 1999	0	0
1602	String Matching	Pacific Northwest 1999	10	13
1611	Unix ls	South Central USA 1995	8	29
1612	Palindromes	South Central USA 1995	3	41
1613	MAS*H	South Central USA 1995	22	53
1614	Postscript	South Central USA 1995	0	0
1615	Radar Scopes	South Central USA 1995	0	0
1616	Message Routing	South Central USA 1995	0	0
1621	Prime Cuts	South Central USA 1996	145	297
1622	Gears on a Board	South Central USA 1996	0	0
1623	Uniform Generator	South Central USA 1996	1015	1832
1624	Excuses, Excuses!	South Central USA 1996	9	17
1625	Centipede Collisions	South Central USA 1996	0	0
1638	TOWERS OF HANOI	2001 ACM Rocky Mountain Regional Programmin Contest	0	2
1639	VACUUM INJECTION MODELING	2001 ACM Rocky Mountain Regional Programmin Contest	0	0
1640	IP ADDRESS ANALYSIS	2001 ACM Rocky Mountain Regional Programmin Contest	1	5
1641	BUILD GATES	2001 ACM Rocky Mountain Regional Programmin Contest	0	0
1642	TELEPHONE ALPHABETICS	2001 ACM Rocky Mountain Regional Programmin Contest	1	1
1643	COMPUTER ALGEBRA	2001 ACM Rocky Mountain Regional Programmin Contest	0	0
1644	GOPHER HOLE I	2001 ACM Rocky Mountain Regional Programmin Contest	0	0
1645	GOPHER HOLE II	2001 ACM Rocky Mountain Regional Programmin Contest	0	0
1646	100's GAME	2001 ACM Rocky Mountain Regional Programmin Contest	0	0
1669	Pi	East Central North America 1995	84	133
1670	Up and Down Sequences	East Central North America 1995	1	1
1671	Machined Surfaces	East Central North America 1995	3	3
1672	LED Test	East Central North America 1995	1	1
1673	Word Index	East Central North America 1995	27	41
1674	Molecules	East Central North America 1995	2	4
1675	Table	Northeaste Europe 1996	0	1
1676	Black Box	Northeaste Europe 1996	6	7
1677	Parallelepiped walk	Northeaste Europe 1996	7	25
1678	Random number	Northeaste Europe 1996	4	9
1679	Moscow Time	Northeaste Europe 1996	1	4
1680	References	Northeaste Europe 1997	0	0
1681	Sum of powers	Northeaste Europe 1997	1	1
1682	Game	Northeaste Europe 1997	3	8
1683	Crossword	Northeaste Europe 1997	2	5
1684	Puncher	Northeaste Europe 1997	0	0
1685	Flying Stars	Northeaste Europe 1997	0	0
1686	False coin	Northeaste Europe 1998	14	14
1687	Rating	Northeaste Europe 1998	0	0
1688	Fence	Northeaste Europe 1998	7	9
1689	Parliament	Northeaste Europe 1998	15	25
1690	Spell checker	Northeaste Europe 1998	13	20
1691	Gangsters	Northeaste Europe 1998	33	75
1692	Divisibility	Northeaste Europe 1999	119	278
1693	Loan	Northeaste Europe 1999	0	0
1694	Expression	Northeaste Europe 1999	0	0
1695	Computer Dialogue	Northeaste Europe 1999	0	0
1696	Lock Manager	Northeaste Europe 1999	0	0
1697	Dictionary	Northeaste Europe 1999	3	4
1706	Cable master	Northeaste Europe 2001	12	42
1707	Wall	Northeaste Europe 2001	43	61
1708	Chemical Reactions	Northeaste Europe 2001	1	2
1709	Library	Northeaste Europe 2001	1	1
1710	Pairs of Integers	Northeaste Europe 2001	14	29
1721	Pizza Anyone?	South Central USA 1997	0	0
1722	Adam's Genes	South Central USA 1997	0	0
1723	Risk	South Central USA 1997	25	39
1724	Just the Facts	South Central USA 1997	57	77
1725	Horse Shoe Scoring	South Central USA 1997	0	0
1726	Bowl	South Central USA 1998	0	0
1727	Ratio	South Central USA 1998	4	30
1728	Deck	South Central USA 1998	9	50
1729	You Who?	South Central USA 1998	0	1
1734	The Game of 31	University of Waterloo Local Contest 1996.10.05	7	7
1735	Fibonacci Numbers	University of Waterloo Local Contest 1996.10.05	65	132
1736	Scheme Pretty-Printing	University of Waterloo Local Contest 1996.10.05	0	0
1737	Substitution Cypher	University of Waterloo Local Contest 1996.10.05	21	43
1738	Bean Counting	University of Waterloo Local Contest 1996.09.28	0	0
1739	Factoring Large Numbers	University of Waterloo Local Contest 1996.09.28	31	55
1740	Maze Traversal	University of Waterloo Local Contest 1996.09.28	30	41
1741	Compound Words	University of Waterloo Local Contest 1996.09.28	36	68
1742	Pit Stop Strategy	University of Waterloo Local Contest 1996.09.28	0	0
1743	File Fragmentation	University of Waterloo Local Contest 1997.10.07	1	4
1744	Audubon's Stormy Arctic Trip	University of Waterloo Local Contest 1997.10.07	0	0
1745	AutoFish	University of Waterloo Local Contest 1997.10.07	18	63
1746	Herding Frosh	University of Waterloo Local Contest 1997.10.07	1	1
1747	Prime Distance	Waterloo local 1998.10.17	14	34
1748	Yahtzee	Waterloo local 1998.10.17	0	0
1749	Request for Proposal	Waterloo local 1998.10.17	0	1
1750	Australian Voting	Waterloo local 1998.10.17	0	0
1751	Chocolate Chip Cookies	Waterloo local 1998.10.17	0	0
1752	right triangle	Waterloo Local Contest 1998.10.17 practice	388	560
1753	Alphabet	Waterloo Local Contest 1998.10.17 practice	274	568
1754	Dick and Jane	University of Waterloo Local Contest 1998.06.06	12	22
1755	Contest Scoreboard	University of Waterloo Local Contest 1998.06.06	1	2
1756	Poker Hands	University of Waterloo Local Contest 1998.06.06	2	3
1757	Crypt Kicker II	University of Waterloo Local Contest 1998.10.04	0	0
1758	Watching Watches	University of Waterloo Local Contest 1998.10.04	0	0
1759	Pousse	University of Waterloo Local Contest 1998.10.04	0	0
1760	Polylops	University of Waterloo Local Contest 1998.10.04	0	0
1761	The Trip	Waterloo local 1999.01.31	16	58
1762	Doublets	Waterloo local 1999.01.31	0	0
1763	CDVII	Waterloo local 1999.01.31	0	0
1764	Factovisors	Waterloo local 1999.01.31	4	10
1765	Spaghetti	Waterloo local 1999.01.31	0	0
1766	Mine Sweeper	Waterloo local 1999.10.02	55	124
1767	Choose and divide	Waterloo local 1999.10.02	8	8
1768	Old Wine Into New Bottles	Waterloo local 1999.10.02	1	3
1769	Suffidromes	Waterloo local 1999.10.02	0	0
1770	Origami	Waterloo local 1999.10.02	0	0
1771	Billiard	Waterloo local 1999.06.19	0	0
1772	The Brick Stops Here	Waterloo local 1999.06.19	0	0
1773	Election	Waterloo local 1999.06.19	1	1
1774	Boastin' Red Socks	Waterloo local 1999.06.19	0	2
1775	Fire Station	Waterloo local 1999.09.25	2	2
1776	Soundex	Waterloo local 1999.09.25	161	341
1777	Dog & Gopher	Waterloo local 1999.09.25	8	10
1778	Gas Station Numbers	Waterloo local 1999.09.25	0	0
1779	Y2K Accounting Bug	Waterloo local 2000.01.29	16	16
1780	Airline Hub	Waterloo local 2000.01.29	0	0
1781	Snakes	Waterloo local 2000.01.29	0	0
1782	Snap	Waterloo local 2000.01.29	0	0
1783	Steps	Waterloo local 2000.01.29	155	395
1795	Gopher II	Waterloo local 2001.01.27	21	31
1796	Tight words	Waterloo local 2001.01.27	62	110
1797	WERTYU	Waterloo local 2001.01.27	82	140
1798	Division	Waterloo local 2001.01.27	3	4
1799	Hotter Colder	Waterloo local 2001.01.27	10	14
1800	Subway	Waterloo local 2001.06.02	2	5
1801	Sumsets	Waterloo local 2001.06.02	18	50
1802	Zipf's Law	Waterloo local 2001.06.02	1	3
1803	Ones	Waterloo local 2001.06.02	234	509
1804	Average Speed	Waterloo local 2001.09.22	6	6
1805	Subway	Waterloo local 2001.09.22	15	21
1806	Babelfish	Waterloo local 2001.09.22	36	55
1807	Bounding box	Waterloo local 2001.09.22	0	0
1808	A multiplication game	Waterloo local 2001.09.22	11	12
1809	Adventures in Moving - Part IV	Waterloo local 2001.09.29	0	1
1810	Snow Clearing	Waterloo local 2001.09.29	7	7
1811	Adventures in Moving - Part V	Waterloo local 2001.09.29	0	0
1812	Stack 'em Up	Waterloo local 2001.09.29	0	2
1814	Return of the Jedi	Waterloo Local 2002.01.26	0	0
1815	Discrete Logging	Waterloo Local 2002.01.26	22	28
1816	Hardwood Species	Waterloo Local 2002.01.26	23	25
1817	Forests	Waterloo Local 2002.01.26	375	521
1818	A Star not a Tree?	Waterloo Local 2002.01.26	13	17
1819	Hay Points	Waterloo local 2002.07.01	20	22
1820	Jogging Trails	Waterloo local 2002.07.01	0	1
1821	Beavergnaw	Waterloo local 2002.07.01	6	6
1822	Power Strings	Waterloo local 2002.07.01	63	101
1823	Relatives	Waterloo local 2002.07.01	97	149
1824	Trains	Waterloo local 2002.09.21	0	0
1825	Tic Tac Toe	Waterloo local 2002.09.21	2	2
1826	Square	Waterloo local 2002.09.21	137	336
1827	Blocks	Waterloo local 2002.09.21	29	40
1828	Faucet Flow	Waterloo local 2002.09.21	1	2
1834	Temple of Dune	Waterloo local 2003.01.25	0	0
1835	Ferry Loading II	Waterloo local 2003.01.25	59	94
1836	Catenyms	Waterloo local 2003.01.25	5	9
1837	Basic	Waterloo local 2003.01.25	1	1
1838	Rock, Scissors, Paper	Waterloo local 2003.01.25	45	80
1848	Advanced Causal Measurements (ACM)	Waterloo local 2004.01.31	0	0
1849	A flea on a chessboard	Waterloo local 2004.01.31	17	61
1850	Perfect Pth Powers	Waterloo local 2004.01.31	74	294
1851	Expanding Rods	Waterloo local 2004.06.12	47	145
1852	Three powers	Waterloo local 2004.06.12	53	71
1853	Work Reduction	Waterloo local 2004.06.12	2	2
1854	Grid Speed	Waterloo local 2004.06.12	0	0
1855	Marbles on a tree	Waterloo local 2004.06.12	1	1
1856	Ants	Waterloo local 2004.09.19	30	51
1857	Evil Straw Warts Live	Waterloo local 2004.09.19	11	18
1858	Mint	Waterloo local 2004.09.19	28	73
1868	Brownie Points I	Waterloo local 2005.06.11	10	11
1869	Magic Bitstrings	Waterloo local 2005.06.11	0	0
1870	Cutting a polygon	Waterloo local 2005.06.11	4	18
1871	Bungee Jumping	Waterloo local 2005.06.11	22	49
1872	Brownie Points II	Waterloo local 2005.06.11	14	22
1873	So you want to be a 2n-aire?	Waterloo local 2005.09.17	2	2
1874	Ferry Loading III	Waterloo local 2005.09.17	0	0
1875	Pick-up sticks	Waterloo local 2005.09.17	30	67
1876	Rock-Paper-Scissors Tournament	Waterloo local 2005.09.17	0	0
1877	Structural Equivalence	Waterloo local 2005.09.17	1	1
1888	Binomial Showdown	Ulm Local 1997	43	85
1889	Equation Solver	Ulm Local 1997	6	6
1890	Frogger	Ulm Local 1997	123	253
1891	Globetrotter	Ulm Local 1997	0	0
1892	Tree Recovery	Ulm Local 1997	31	44
1920	Cover an Arc.	Ural State University Internal Contest October'20 Students Session (URAL 1043)	0	0
1937	Tempus et mobilius Time and motion	World Finals 1995	1	1
1938	Variable Radix Huffman Encoding	World Finals 1995	0	0
1939	Sail Race	World Finals 1995	0	0
1940	Stamps	World Finals 1995	2	3
1941	Theseus and the Minotaur	World Finals 1995	0	0
1942	Train Time	World Finals 1995	0	0
1943	Uncompress	World Finals 1995	0	1
1944	Borrowers	World Finals 1994	0	0
1945	Testing the CATCHER	World Finals 1994	40	71
1946	Crossword Answers	World Finals 1994	17	39
1947	Typesetting	World Finals 1994	0	0
1948	VTAS - Vessel Traffic Advisory Service	World Finals 1994	0	0
1949	Monitoring Wheelchair Patients	World Finals 1994	0	0
1950	Bee Breeding	World Finals 1999	1	1
1951	Bullet Hole	World Finals 1999	0	7
1952	A Dicey Problem	World Finals 1999	1	4
1953	Trade on Verweggistan	World Finals 1999	0	0
1954	Robot	World Finals 1999	0	0
1955	The Letter Carrier's Rounds	World Finals 1999	0	0
1956	Goldbach's Conjecture	Asia 1998, Tokyo (Japan)	109	307
1957	Lattice Practices	Asia 1998, Tokyo (Japan)	0	1
1958	Mobile Phone Coverage	Asia 1998, Tokyo (Japan)	2	2
1959	Napoleon's Grumble	Asia 1998, Tokyo (Japan)	0	0
1960	Pipeline Scheduling	Asia 1998, Tokyo (Japan)	0	0
1961	BUT We Need a Diagram	Asia 1998, Tokyo (Japan)	0	0
1962	Digital Racing Circuit	Asia 1998, Tokyo (Japan)	0	0
1963	Matching Meetings	East Central North America 1996	0	0
1964	Supercomputer Selection, The Sequel	East Central North America 1996	0	0
1965	Polygonal Puzzle	East Central North America 1996	0	0
1966	Word-Search Wonder	East Central North America 1996	2	6
1967	MPI Maelstrom	East Central North America 1996	24	25
1968	Pattern Matching Using Regular Expression	Asia 1997, Shanghai (Mainland China)	0	0
1969	Maximum Sum	Asia 1997, Shanghai (Mainland China)	22	75
1970	Minimal Circle	Asia 1997, Shanghai (Mainland China)	15	63
1971	Elevator Simulation	Asia 1997, Shanghai (Mainland China)	0	0
1972	Card Game - Kitty Fishing	Asia 1997, Shanghai (Mainland China)	0	0
1973	Surround the Trees	Asia 1997, Shanghai (Mainland China)	34	79
1974	Employment Planning	Asia 1997, Shanghai (Mainland China)	169	300
2003	Alice and Bob	Central Europe 2001	5	6
2004	Binary Stirling Numbers	Central Europe 2001	13	37
2005	Calendar of Maya	Central Europe 2001	0	0
2006	Decoding Morse Sequences	Central Europe 2001	3	4
2007	Exchanges	Central Europe 2001	0	0
2008	Fill the Cisterns!	Central Europe 2001	7	13
2009	Horizontally Visible Segments	Central Europe 2001	20	38
2010	A Simple Task	Central Europe 2001, Practice	119	192
2011	Binary Numbers	Central Europe 2001, Practice	122	153
2064	Arbitrage	Ulm Local 1996	83	170
2065	The Tower of Babylon	Ulm Local 1996	6	6
2066	The Circumference of the Circle	Ulm Local 1996	77	119
2067	Eeny Meeny Moo	Ulm Local 1996	5	5
2068	Lotto	Ulm Local 1996	45	63
2069	Artificial Intelligence?	Ulm Local 1998	4	7
2070	The Settlers of Catan	Ulm Local 1998	0	0
2071	Team Queue	Ulm Local 1998	2	4
2072	Error Correction	Ulm Local 1998	59	119
2073	France '98	Ulm Local 1998	5	5
2074	Goldbach's Conjecture	Ulm Local 1998	104	231
2075	Heavy Cargo	Ulm Local 1998	25	36
2076	Bee Maja	Ulm Local 1999	1	1
2077	Quadtree	Ulm Local 1999	0	0
2078	From Dusk till Dawn or: Vladimir the Vampire	Ulm Local 1999	2	4
2079	Euro Cup 2000	Ulm Local 1999	0	0
2080	Friends	Ulm Local 1999	11	15
2081	Quadtree II or: Florida Jones strikes back	Ulm Local 1999	0	0
2082	HTML	Ulm Local 1999	54	141
2088	Average is not Fast Enough!	Ulm Local 2001	1	1
2089	Code the Tree	Ulm Local 2001	4	8
2090	Etaoin Shrdlu	Ulm Local 2001	0	0
2091	Fiber Network	Ulm Local 2001	17	27
2092	Global Roaming	Ulm Local 2001	0	0
2093	Hard to Believe, but True!	Ulm Local 2001	19	32
2135	Packing Rectangles	IOI 1995	0	0
2136	Shopping Offers	IOI 1995	7	8
2208	01000001	Greater New York 2005	23	79
2234	The Worm Turns	East Central North America 2001, Practice	0	0
2235	Undercut	East Central North America 2001, Practice	143	301
2236	Currency Exchange	East Central North America 2001, Practice	43	78
2295	Dreisam Equations	Mid-Centra European Regional Contest 1999	36	167
2296	The Game	Mid-Centra European Regional Contest 1999	20	32
2297	LC-Display	Mid-Centra European Regional Contest 1999	110	259
2298	Maze	Mid-Centra European Regional Contest 1999	0	0
2299	Robbery	Mid-Centra European Regional Contest 1999	0	0
2300	S-Trees	Mid-Centra European Regional Contest 1999	7	8
2301	Date bugs	Mid-Centra European Regional Contest 1999	38	77
2302	Count the snowflakes!	Mid-Centra European Regional Contest 1999, Practice	44	235
2303	Y2K	Mid-Centra European Regional Contest 1999, Practice	99	164
2304	Cup	Mid-Centra European Regional Contest 1999, Practice	128	144
2305	Magic Squares	Mid-Centra European Regional Contest 1999, Practice	114	192
2329	Cocktails	TUD Programmin Contest 2001, Darmstadt, Germany	0	0
2330	Cramer's Rule	TUD Programmin Contest 2001, Darmstadt, Germany	12	32
2331	Knight Moves	TUD Programmin Contest 2001, Darmstadt, Germany	340	667
2332	Rat Attack	TUD Programmin Contest 2001, Darmstadt, Germany	0	0
2333	Automatic Poetry	TUD Programmin Contest 2001, Darmstadt, Germany	52	73
2334	Ranking List	TUD Programmin Contest 2001, Darmstadt, Germany	0	0
2335	Ship Journey	TUD Programmin Contest 2001, Darmstadt, Germany	0	0
2397	Street Race	IOI 1995	1	3
2398	Bar Codes	IOI 1995	0	1
2399	Network of Schools	IOI 1996	26	46
2449	偶数求和	hdu2015	848	1979
2459	发工资咯：）	hdu2021	683	1295
2481	超级楼梯	hdu2041	689	771
2490	多项式求和	mgc1025	242	258
2501	Delta-wave	Ural Collegiate Programmin Contest 1998	1286	2857
2502	Double Seventh Festival	yhr From hdu 1215	1744	4544
2503	The area	hdu1071	1405	2337
2504	Heritage from father	hdu1178	1358	2520
2505	sort	yhr-hdu142	1337	4186
2508	Cloze Number	hdu1406	787	4229
2509	saltwater	hdu1408	267	1198
2513	连数问题	NOIP1998tg	2205	4525
2527	A Censored Smile	IPSC 2001	0	2
2528	Anagrams by Stack	Zhejiang University Local Contest 2001	34	78
2529	Mainframe	Asia 2001, Shanghai (Mainland China)	2	6
2532	计算直线的交点数	hdu1466	1408	2278
2533	免费馅饼	hdu1176	1826	4283
2534	Constructing Roads In JGShining's Kingdom	hdu1025	44	92
2535	Doing Homework	hdu1074	21	39
2537	FatMouse and Cheese	Zhejiang University Training Contest 2001	106	237
2539	Rooted Trees Problem	hdu1294	2	3
2540	Order Count	hdu1223	8	8
2542	Regular Words	Andrew Stankevich Contest #10 hdu1502	10	19
2543	White Rectangles	ZOJ Monthly, January 2004 hdu1510	10	17
2556	拦截导弹	NOIP 1999	383	2563
2568	Asteroids	South Central USA 2001	21	71
2569	Nightmare	hdu1072	127	249
2570	胜利大逃亡	hdu1253	73	85
2571	Calling Extraterrestrial Intelligence Again	hdu1239	8	22
2572	Prime Ring Problem	Asia 1996, Shanghai (Mainland China)hdu1	43	162
2573	A strange lift	hdu1548	5	17
2601	3n+1	yhr	233	415
2604	2^x mod n = 1	ZOJ Monthly, February 2003	298	737
2609	能被11整除吗？	yhr	240	811
2612	Square Coins	Asia 1999, Kyoto (Japan)	87	117
2665	Adding 1s, 2s, and 3s	Shanghai Jiaotong University Programmin Contest 2004	73	87
2669	Open Source	Waterloo Local Contest, 2007.7.14	25	42
2670	Antimonotonicity	Waterloo Local Contest, 2007.7.14	18	59
2671	Humidex	Waterloo Local Contest, 2007.7.14	63	169
2672	Tour de France	Waterloo Local Contest, 2007.7.14	19	27
2673	Texas Trip	Waterloo Local Contest, 2007.7.14	6	16
2708	Rare Order	World Finals 1989	4	16
2709	Squares	World Finals 1989	0	1
2710	Repeating Decimals	World Finals 1989	4	7
2716	Word Reversal	East Central North America 1999, Practice	203	405
2717	An easy problem	oooccc1	241	414
2718	国旗飘飘	oooccc1	278	683
2719	国旗飘飘(2)	oooccc1	152	403
2720	支援四川2	oooccc1	17	46
2721	简单的计算几何	oooccc1	198	521
2722	ACM的计时规则	oooccc1	211	318
2780	食物链	Noi 01	64	190
2859	Alfredo's Pizza Restaurant	University of Ulm Local Contest 2008.7.11	111	206
2860	Convert Kilometers to Miles	University of Ulm Local Contest 2008.7.11	33	63
2877	Cranes	University of Waterloo Local Contest 2008.10.04	13	56
2878	WiFi	University of Waterloo Local Contest 2008.10.04	5	7
2879	Exact Change	University of Waterloo Local Contest 2008.10.04	41	119
2880	Dominos 2	University of Waterloo Local Contest 2008.10.04	31	111
2881	Logo 2	University of Waterloo Local Contest 2008.10.04	6	21
2887	Trainsorting	University of Waterloo Local Contest 2008.6.15	6	32
2888	Classified	University of Waterloo Local Contest 2008.6.15	2	5
2889	Hot Spot	University of Waterloo Local Contest 2008.6.15	2	7
2890	Snakes and Ladders	University of Waterloo Local Contest 2008.6.15	17	40
2891	Balance	University of Waterloo Local Contest 2008.6.15	2	4
2951	Numbering the Cows	CMP07 D4 ,Romanian Olympiad, 2001	14	28
2952	Contest Digests	USAICO 2005 Day 1	9	37
3070	Rooks	University of Waterloo Local Contest 2009.10.3	29	85
3071	Pipes	University of Waterloo Local Contest 2009.10.3	2	3
3072	Cantor	University of Waterloo Local Contest 2009.10.3	43	104
3073	Meltdown	University of Waterloo Local Contest 2009.10.3	9	17
3074	sqrt log sin	University of Waterloo Local Contest 2009.10.3	43	97
3102	Hurdles of 110m	The 5th Zhejiang Provincial Collegiate Programmin Contest	44	102
3160	Fibonacci1	chenwenwen	42	165
3174	World Islands	2010 National Programmin Invitation Contest Host by ZSTU	82	198
3175	Baseball of Planet Pandora	2010 National Programmin Invitation Contest Host by ZSTU	31	53
3176	String-Matching Automata	2010 National Programmin Invitation Contest Host by ZSTU	28	50
3177	Elune’s Arrow	2010 National Programmin Invitation Contest Host by ZSTU	29	119
3178	Chase	2010 National Programmin Invitation Contest Host by ZSTU	9	42
3179	Passing the Message	2010 National Programmin Invitation Contest Host by ZSTU	65	104
3180	Snail Alice	2010 National Programmin Invitation Contest Host by ZSTU	48	171
3181	An Odd Award Rule	2010 National Programmin Invitation Contest Host by ZSTU	112	403
3182	Single CPU, multi-tasking	2010 National Programmin Invitation Contest Host by ZSTU	79	316
3183	Tour Route	2010 National Programmin Invitation Contest Host by ZSTU	0	46
3217	Count 101	multi	46	124
3239	PAINTING	2010 ACM-ICPC Multi-Univ Training Contest（11 by BUPT	16	23
3240	Daizhenyang's Coin	2010 ACM-ICPC Multi-Univ Training Contest（11 by BUPT	4	8
3241	A sample Hamilton path	2010 ACM-ICPC Multi-Univ Training Contest（11 by BUPT	19	33
3242	Daizhenyang's Letter	2010 ACM-ICPC Multi-Univ Training Contest（11 by BUPT	10	17
3243	EditingOperation	2010 ACM-ICPC Multi-Univ Training Contest（11 by BUPT	1	1
3244	The Team of ACM/ICPC	2010 ACM-ICPC Multi-Univ Training Contest（11 by BUPT	10	18
3245	ZaakDov is doing his math problem!	2010 ACM-ICPC Multi-Univ Training Contest（11 by BUPT	3	5
3246	Roba number	2010 ACM-ICPC Multi-Univ Training Contest（11 by BUPT	30	34
3247	Computer Assembling	2010 ACM-ICPC Multi-Univ Training Contest（10 by HEU	13	15
3248	SPY	2010 ACM-ICPC Multi-Univ Training Contest（10 by HEU	26	40
3249	The Simple Programming Language	2010 ACM-ICPC Multi-Univ Training Contest（10 by HEU	6	6
3250	Bomberman - Just Search!	2010 ACM-ICPC Multi-Univ Training Contest（10 by HEU	11	13
3251	Subsequence	2010 ACM-ICPC Multi-Univ Training Contest（10 by HEU	13	18
3255	Match	2010 ACM-ICPC Multi-Univ Training Contest（10 by HEU	12	18
3256	Max Angle	2010 ACM-ICPC Multi-Univ Training Contest（10 by HEU	9	26
3257	Escape	2010 ACM-ICPC Multi-Univ Training Contest（10 by HEU	1	1
3258	Tree	2010 ACM-ICPC Multi-Univ Training Contest（10 by HEU	8	18
3259	AreYouBusy	2010 ACM-ICPC Multi-Univ Training Contest（10 by HEU	15	25
3260	Another Contest	2010 ACM-ICPC Multi-Univ Training Contest（12 by WHU	25	44
3261	Bomb	2010 ACM-ICPC Multi-Univ Training Contest（12 by WHU	15	19
3262	Continued Fraction	2010 ACM-ICPC Multi-Univ Training Contest（12 by WHU	10	17
3263	Divide Game	2010 ACM-ICPC Multi-Univ Training Contest（12 by WHU	1	1
3264	Easy Geometry	2010 ACM-ICPC Multi-Univ Training Contest（12 by WHU	1	2
3265	Frost Chain	2010 ACM-ICPC Multi-Univ Training Contest（12 by WHU	2	8
3266	Graph’s Cycle Component	2010 ACM-ICPC Multi-Univ Training Contest（12 by WHU	15	26
3267	How many times	2010 ACM-ICPC Multi-Univ Training Contest（12 by WHU	9	14
3268	Interesting Tour	2010 ACM-ICPC Multi-Univ Training Contest（12 by WHU	2	2
3269	Jesus of Suburbia	2010 ACM-ICPC Multi-Univ Training Contest（12 by WHU	1	4
3270	A Task Process	2010 ACM-ICPC Multi-Univ Training Contest（1） by FZU	11	11
3271	Sequence Adjustment	2010 ACM-ICPC Multi-Univ Training Contest（1） by FZU	3	3
3272	A new Graph Game	2010 ACM-ICPC Multi-Univ Training Contest（1） by FZU	14	25
3273	Queue-jumpers	2010 ACM-ICPC Multi-Univ Training Contest（1） by FZU	7	14
3274	Garden	2010 ACM-ICPC Multi-Univ Training Contest（1） by FZU	1	1
3275	ACM Training	2010 ACM-ICPC Multi-Univ Training Contest（1） by FZU	1	1
3276	Sequence	2010 ACM-ICPC Multi-Univ Training Contest（1） by FZU	6	11
3277	House Man	2010 ACM-ICPC Multi-Univ Training Contest（1） by FZU	17	26
3278	Rotation	2010 ACM-ICPC Multi-Univ Training Contest（1） by FZU	2	2
3279	Three Kingdoms	2010 ACM-ICPC Multi-Univ Training Contest（1） by FZU	10	10
3280	Shift Number	2010 ACM-ICPC Multi-Univ Training Contest（2） by BUPT	14	19
3281	The Volume of Simple Polyhedron	2010 ACM-ICPC Multi-Univ Training Contest（2） by BUPT	3	3
3282	The Diary of Math Teacher	2010 ACM-ICPC Multi-Univ Training Contest（2） by BUPT	2	2
3283	daizhenyang's chess	2010 ACM-ICPC Multi-Univ Training Contest（2） by BUPT	5	5
3284	Count The Keyword	2010 ACM-ICPC Multi-Univ Training Contest（2） by BUPT	2	2
3285	Bag Problem	2010 ACM-ICPC Multi-Univ Training Contest（2） by BUPT	8	24
3286	Consumer	2010 ACM-ICPC Multi-Univ Training Contest（2） by BUPT	28	39
3287	Counting Sequences	2010 ACM-ICPC Multi-Univ Training Contest（2） by BUPT	17	18
3288	Beat drop	2010 ACM-ICPC Multi-Univ Training Contest（2） by BUPT	3	4
3289	Another LIS	2010 ACM-ICPC Multi-Univ Training Contest（13 by UESTC	22	22
3290	Bi-peak Number	2010 ACM-ICPC Multi-Univ Training Contest（13 by UESTC	1	6
3291	Counting Heads	2010 ACM-ICPC Multi-Univ Training Contest（13 by UESTC	3	4
3292	Eight II	2010 ACM-ICPC Multi-Univ Training Contest（13 by UESTC	1	5
3293	Help Johnny	2010 ACM-ICPC Multi-Univ Training Contest（13 by UESTC	20	29
3294	Imaginary Date	2010 ACM-ICPC Multi-Univ Training Contest（13 by UESTC	15	18
3295	More happiness	2010 ACM-ICPC Multi-Univ Training Contest（13 by UESTC	3	5
3296	N-dimensional Sphere	2010 ACM-ICPC Multi-Univ Training Contest（13 by UESTC	20	27
3297	Task Schedule	2010 ACM-ICPC Multi-Univ Training Contest（13 by UESTC	13	21
3298	A Puzzle Game	2010 ACM-ICPC Multi-Univ Training Contest（14 by BJTU	5	5
3299	Buy Sticks	2010 ACM-ICPC Multi-Univ Training Contest（14 by BJTU	23	46
3300	Cube Min Surface Carving	2010 ACM-ICPC Multi-Univ Training Contest（14 by BJTU	5	7
3301	Digit Size	2010 ACM-ICPC Multi-Univ Training Contest（14 by BJTU	27	44
3302	Elevators in Jiayuan Students' Apartment	2010 ACM-ICPC Multi-Univ Training Contest（14 by BJTU	11	15
3303	Fast Arrangement	2010 ACM-ICPC Multi-Univ Training Contest（14 by BJTU	16	25
3304	Greedy Tino	2010 ACM-ICPC Multi-Univ Training Contest（14 by BJTU	27	49
3305	Hello Kiki	2010 ACM-ICPC Multi-Univ Training Contest（14 by BJTU	29	65
3306	Isosceles Right Triangles	2010 ACM-ICPC Multi-Univ Training Contest（14 by BJTU	14	15
3307	Judge Segments	2010 ACM-ICPC Multi-Univ Training Contest（14 by BJTU	13	16
3308	CodeMaker	2010 ACM-ICPC Multi-Univ Training Contest（15 by NUDT	3	3
3309	Cube	2010 ACM-ICPC Multi-Univ Training Contest（15 by NUDT	14	18
3310	maximum shortest distance	2010 ACM-ICPC Multi-Univ Training Contest（15 by NUDT	13	23
3311	Information Disturbing	2010 ACM-ICPC Multi-Univ Training Contest（15 by NUDT	22	27
3312	NUDOTA	2010 ACM-ICPC Multi-Univ Training Contest（15 by NUDT	7	8
3313	Pair	2010 ACM-ICPC Multi-Univ Training Contest（15 by NUDT	1	1
3314	Jacobi symbol	2010 ACM-ICPC Multi-Univ Training Contest（15 by NUDT	8	8
3315	PP and QQ	2010 ACM-ICPC Multi-Univ Training Contest（15 by NUDT	4	6
3316	The trouble of Xiaoqian	2010 ACM-ICPC Multi-Univ Training Contest（15 by NUDT	25	43
3317	World Exhibition	2010 ACM-ICPC Multi-Univ Training Contest（15 by NUDT	14	16
3344	Naughty fairies	2010 Asia Hangzhou Regional	1	1
3345	Prison Break	2010 Asia Hangzhou Regional	13	53
3346	To Be an Dream Architect	2010 Asia Hangzhou Regional	11	47
3347	Gomoku	2010 Asia Hangzhou Regional	5	10
3348	Gunshots	2010 Asia Hangzhou Regional	2	3
3349	Rotational Painting	2010 Asia Hangzhou Regional	14	42
3350	Traffic Real Time Query System	2010 Asia Hangzhou Regional	9	29
3351	National Day Parade	2010 Asia Hangzhou Regional	15	29
3352	Searchlights	2010 Asia Hangzhou Regional	7	10
3353	Infinite monkey theorem	2010 Asia Hangzhou Regional	9	21
3365	计算1+2+3+...+100		322	442
3369	Egypt	University of Waterloo Local Contest 2010.10.2	80	134
3370	Buzzwords	University of Waterloo Local Contest 2010.10.2	46	102
3371	Ferry Loading V	University of Waterloo Local Contest 2010.10.2	3	18
3372	Driving Range	University of Waterloo Local Contest 2010.10.2	17	37
3373	Frosh Week	University of Waterloo Local Contest 2010.10.2	25	107
3383	Membership Management	Asia 2010, Japan	27	94
3384	Balloon Collecting	Asia 2010, Japan	14	25
3385	Towns along a Highway	Asia 2010, Japan	2	3
3386	Awkward Lights	Asia 2010,Japan	32	69
3387	The Two Men of the Japanese Alps	Asia 2010, Japan	0	0
3388	Find the Multiples	Asia 2010, Japan	11	30
3389	Test Case Tweaking	Asia 2010, Japan	2	11
3390	Where’s Wally	Asia 2010, Japan	2	3
3391	Intersection of Two Prisms	Asia 2010,Japan	1	3
3392	Matrix Calculator	Asia 2010,Japan	0	0
3415	Succession	Nordic 2010	34	102
3416	Connect	Nordic 2010	28	51
3417	Borg Boogie	Nordic 2010	6	30
3418	Dirty Driving	Nordic 2010	32	72
3419	Doodling	Nordic 2010	12	24
3420	Help a PhD candidate out!	Nordic 2010	46	71
3421	Great Geek Game-show 3000!	Nordic 2010	0	10
3422	Polyomino Powers	Nordic 2010	0	14
3423	Statisticians	Nordic 2010	4	25
3424	Skyline	Nordic 2010	0	11
3425	Around the track	Nordic 2010	0	0
3426	Pablo Squarson's Headache	Asia 2010,Japan domestic	60	113
3427	Amazing Mazes	asia 2010,Japan Domestic	59	115
3428	Pollock's conjecture	Asia 2010,Japan domestic	34	205
3429	Off Balance	Asia 2010,Japan Domestic	0	0
3430	The Most Powerful Spell	Asia 2010,Japan Domestic	1	29
3432	Old Memories	Asia 2010,Japan Domestic	0	0
3433	Laser Beam Reflections	Asia 2010,Japan Domestic	0	3
3439	Death Knight Hero	ncpc 2011	84	241
3440	Enemy Division	ncpc2011	4	35
3441	Robots on a grid	ncpc 2011	62	506
3443	Elevator Trouble	ncpc 2011	34	68
3449	Secret — MAX	SouthEaste European 2011	0	0
3451	Search by template	Southeaste European 2011	13	35
3452	Roots Intervals	SouthEaste European 2011	4	13
3453	Palindromic Dates	SouthEaste European 2011	0	7
3454	Post Offices	SouthEaste European 2011	0	3
3455	Choosing a camera	SouthEaste European 2011	3	22
3456	Road Planner	SouthEaste European 2011	0	7
3457	Term Generator	SouthEaste European 2011	0	1
3458	Painting	SouthEaste European 2011	2	6
3459	The Agency	East Central North America 2011	8	15
3460	Chain of Fools	East Central North America 2011	6	10
3461	Condorcet Winners	East Central North America 2011	4	22
3462	Everyone out of the Pool	East Central North America 2011	23	90
3463	Robot Navigation	South Central USA 2011	29	54
3464	All Your Base	South Central USA 2011	14	24
3465	Periodic, My Dear Watson	South Central USA 2011	10	11
3466	This is Halloween: Saving Money	South Central USA 2011	15	23
3467	Coffin Tiles	South Central USA 2011	35	52
3468	Thinking Inside the Box	South Central USA 2011	23	37
3469	Lightbulb Testing	South Central USA 2011	13	13
3470	Operation: Merchant Boorinei	South Central USA 2011	26	53
3471	Binomial coefficients	NWERC2011	35	100
3472	Bird tree	NWERC2011	16	16
3473	Movie collection	NWERC 2011	35	56
3474	Piece it together	NWERC 2011	12	21
3475	Please, go first	NWERC 2011	14	15
3476	Pool construction	NWERC 2011	14	15
3477	Smoking gun	NWERC 2011	11	29
3478	Tichu	NWERC 2011	13	16
3479	Tracking RFIDs	NWERC 2011	11	21
3480	Train delays	NWERC 2011	8	8
3481	Automated Telephone Exchange	NEERC 2011, Northern Subregiona	35	54
3482	Black Square	NEERC 2011, Northern Subregiona	30	72
3483	Cube Coloring	NEERC 2011, Northern Subregiona	8	9
3484	Dice	NEERC 2011, Northern Subregiona	9	27
3485	Electrification	NEERC 2011, Northern Subregiona	16	17
3486	Flat	NEERC 2011, Northern Subregiona	15	34
3488	High security	NEERC 2011, Northern Subregiona	5	7
3489	Immediate Delivery	NEERC 2011, Northern Subregiona	2	3
3490	John’s Inversions	NEERC 2011, Northern Subregiona	5	16
3491	Kids Like Cakes	NEERC 2011, Northern Subregiona	2	2
3517	人口问题	mgc1024	1950	2709
3521	求最大数	jsj_7_1	453	3895
3530	计算高度	jc_p77_12	3008	5372
3535	模拟简单计算器	jc-P118-3	1906	5382
3548	删除操作	mgc1035	509	991
3549	更改大小写	mgc1041	9336	13754
3562	十六进制转十进制	jc-p140-9	4300	8863
3564	Josephus问题	mgc-1036	572	901
3629	程序改错：10升排序		138	491
3638	最小的x1y1		226	319
3701	Cut It Out!	East Central North America 2010	7	38
3703	Flip It!	East Central North America 2010	17	94
3705	Maze	East Central North America 2010	2	4
3706	Photo Shoot	East Central North America 2010	7	37
3708	The Game of 31	University of Waterloo Local Contest 2011.6.19	15	45
3709	Factoring Large Numbers	University of Waterloo Local Contest 2011.6.19	45	133
3710	Fibonacci Numbers	University of Waterloo Local Contest 2011.6.19	79	190
3711	Compound Words	University of Waterloo Local Contest 2011.6.19	49	110
3712	New Horizons	University of Waterloo Local Contest 2011.6.19	8	37
3713	Ants Colony	Latin American Regional 2010	41	108
3714	Bingo!	Latin American Regional 2010	86	168
3715	Cocircular Points	Latin American Regional 2010	30	80
3716	Digits Count	Latin American Regional 2010	31	53
3718	Flowers Flourish from France	Latin American Regional 2010	58	107
3719	Growing Strings	Latin American Regional 2010	34	97
3720	Hyperactive Girl	Latin American Regional 2010	5	9
3721	Ingenious Metro	Latin American Regional 2010	0	0
3722	Jollo	Latin American Regional 2010	52	145
3723	Kids’ Wishes	Latin American Regional 2010	18	84
3724	Arbitrage?	CTU Open Contest 2010	45	146
3725	Bus Schedules	CTU Open Contest 2010	1	3
3726	Bus Clock Display	CTU Open Contest 2010	2	5
3727	Measuring Problem Difficulty	CTU Open Contest 2010	32	92
3728	The Easiest Problem is This One	CTU Open Contest 2010	70	73
3729	Prohibici´on de fumar	CTU Open Contest 2010	0	6
3730	Pyramid Guards	CTU Open Contest 2010	3	3
3731	Hack around the Lock	CTU Open Contest 2010	2	10
3732	God Save the i-th Queen	CTU Open Contest 2010	57	143
3733	DP?	2011 Multi-Univ Training Contest 11 - Host by UESTC	22	36
3734	The Table	Southeaste European 2010	45	310
3735	Calculator	Southeaste European 2010	8	28
3736	Largest Empty Circle on a Segment	Southeaste European 2010	5	15
3737	Problemsetting	Southeaste European 2010	11	54
3738	Control Points	Southeaste European 2010	56	131
3739	Gamers	Southeaste European 2010	9	30
3740	Cosmic Station	Southeaste European 2010	3	15
3741	Game	Southeaste European 2010	18	50
3742	Proof Generator	Southeaste European 2010	0	1
3743	Shares	Southeaste European 2010	66	69
3755	Maximum in the Cycle of 1		21	39
3757	Paper Route	University of Waterloo Local Contest 2011.10.2	12	18
3758	Octagons	University of Waterloo Local Contest 2011.10.2	10	23
3759	Party Location	University of Waterloo Local Contest 2011.10.2	19	58
3760	Numbersrebmun	University of Waterloo Local Contest 2011.10.2	39	85
3761	Class Schedule	University of Waterloo Local Contest 2011.10.2	13	27
3763	Bridges and Tunnels	University of Waterloo Local Contest 2011.9	27	100
3764	Alien Communicating Machines	University of Waterloo Local Contest 2011.9	32	132
3766	Largest Square	University of Waterloo Local Contest 2011.9	29	59
3767	Harmonious Matrices	University of Waterloo Local Contest 2011.9	1	9
3793	Triangle War	University of Waterloo Local Contest 2012.7.15	10	41
3794	Next Prime	University of Waterloo Local Contest 2012.7.15	58	272
3822	零起点学算法21——摄氏温度转换		5988	11143
3914	加密程序	mgc1034	903	1379
3915	查找串the	mgc1051	1447	2299
3928	Looploop	2012 Asia Hangzhou Regional Contest	9	19
3929	Stealing a Cake	2012 Asia Hangzhou Regional Contest	10	11
3930	Substrings	2012 Asia Hangzhou Regional Contest	8	9
3931	Crowd	2012 Asia Hangzhou Regional Contest	10	10
3932	Klotski	2012 Asia Hangzhou Regional Contest	9	9
3933	Shoot the Airplane	2012 Asia Hangzhou Regional Contest	10	10
3934	Homework	2012 Asia Hangzhou Regional Contest	9	9
3935	Friend Chains	2012 Asia Hangzhou Regional Contest	8	8
3936	The Power of Xiangqi	2012 Asia Hangzhou Regional Contest	19	19
3937	Scaring the Birds	2012 Asia Hangzhou Regional Contest	13	17
3938	Outlets	2012 Asia Hangzhou Regional Contest	8	13
4000	深入浅出学算法001-求最大公约数		4156	7257
4001	深入浅出学算法002-n个1		3930	10344
4009	深入浅出学算法010-Smith Number		1625	4641
4010	深入浅出学算法011-Perfect Cubes	Mid-Centra USA 1995	1181	2314
4011	深入浅出学算法012-Joseph	Central Europe 1995	1113	1974
4012	深入浅出学算法013-摆动数列		1821	4431
4013	深入浅出学算法014-杨辉三角		1812	4527
4014	深入浅出学算法015-水手分椰子		2726	8544
4015	深入浅出学算法016-猴子吃桃		3452	6046
4020	深入浅出学算法021-汉诺塔问题		5364	10224
4030	深入浅出学算法031-装错信封	4027	1873	3320
4034	深入浅出学算法035-01背包问题		1337	3206
4040	最大报销额	浙大计算机研究生复试 hdu1864	54	90
4057	Bridges and Tunnels	waterloo 2012.10.13	17	90
4058	Secret Polynomial	waterloo 2012.10.13	1	10
4059	Room Painting	waterloo 2012.10.13	11	61
4060	Course Scheduling	wterloo 2012.10.13	14	64
4061	Tetrahedron Inequality	waterloo 2012.10.13	17	119
4062	小明系列故事——买年货	2013腾讯编程马拉	6	18
4066	Beer Pressure	NWERC 2012	1	4
4067	Cycling	NWERC 2012	1	5
4068	Digital Clock	NWERC 2012	13	63
4069	Edge Case	NWERC 2012	42	99
4073	Idol	NWERC 2012	16	135
4074	Joint Venture	NWERC 2012	26	248
4075	Key Insight	NWERC 2012	4	35
4110	Aaah!	Christian Neverdal Jonassen. Source: NCPC 2012. License	54	163
4111	Bread Sorting	NCPC 2012	86	215
4112	Cookie Selection	NCPC 2012	101	186
4113	Doorman	NCPC 2012	39	71
4116	Galactic Warlords	NCPC 2012	35	225
4117	Horror List	NCPC 2012	21	79
4118	Infiltration	NCPC 2012	2	5
4119	Juice	NCPC 2012	19	85
4120	11111	44444444	0	31
4132	123		20	29
4136	12306	yhr	7266	12627
4140	2013ACM训练赛		5	6
4178	J1		366	1350
4180	119股灾		2668	4511
4230	多少个2011		379	969
4284	welcome1.c		287	712
4289	Print the numbers 1 to 4 on the same line		88	99
4297	Write a program to calculate f (4) and g(13)		56	92
4310	welcome1.c		225	360
4314	Print the numbers 1 to 4 on the same line FROM CHAPTER 3		137	446
4319	Calculate f (4) and g(13) from CHAPTER 4		106	171
4330	Calculation 1+2+3+...+n		718	1129
4331	MULTIPLE TEST CASE 1：Calculation 1+2+3+...+n		421	2301
4332	MULTIPLE TEST CASE 1：Calculation of a+b+c		419	679
4333	MULTIPLE TEST CASE 1：Finding the maxium number of a,b,c		540	1060
4334	MULTIPLE TEST CASE 2：Calculation 1+2+3+...+n		251	568
4338	MULTIPLE TEST CASE 2：Calculation 1-2+3-4+...+n		249	388
4340	A+B for Input-Output Practice 1		219	326
4347	120年华诞		519	667
4348	120年华诞迎宾		1165	2253
4407	简单题*10086		1	7
4408	简单题*10000		3	25
4420	01串		59	310
4536	17累加数		445	607
4543	条件输出1		394	486
4632	Python-字符统计1		38	48
4700	Python--大于10的数		364	787
4737	Python--字符截取1		268	411
4752	Python--输出星号1		420	534
4757	Python--累加求和1		386	610
4761	Python--好好学习，天天向上1		316	553
4797	Python--列表元素个数的加权和(1)		31	60
4802	Python--计算 11+12+13...+m		86	242
4919	编程求1+1/2+1/3+...+1/n		53	113