Online JudgeProblem SetAuthorsOnline ContestsUser
Web Board
Home Page
F.A.Qs
Statistical Charts
Problems
Submit Problem
Online Status
Prob.ID:
Register
Update your info
Authors ranklist
Current Contest
Past Contests
Scheduled Contests
Award Contest
User ID:
Password:
  Register

Volume 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Language:
Search: IN   Find problems that your team haven't solved
IDTitleRatio(AC/submit) Date
1345Address Recovery5%(8/153)2023-10-6
1346Board of Directors Meeting14%(19/134)2022-8-13
1360Blue x Red = Bang9%(29/305)2022-9-1
1361JaWs15%(31/201)2022-8-28
1393Fold-up Patterns25%(39/155)2022-1-17
1357Afshung Pizza Delivery32%(61/188)2024-7-29
1333Christmas Gifts27%(64/237)2023-4-27
1347Triangle18%(75/402)2024-9-24
1397The Bulk39%(95/239)2024-10-28
1372FORCAL23%(97/410)2023-3-4
1342Tag Trees26%(116/430)2023-2-7
1303Byte Me!35%(125/349)2024-7-20
1369Append24%(129/536)2024-7-26
1311Doing Windows27%(131/471)2024-10-26
1335Digital Onion26%(143/530)2024-7-16
1358Housing Complexes36%(146/404)2024-9-23
1301The Umbrella Problem: 205434%(147/429)2024-11-11
1373L-system12%(150/1172)2024-9-20
1368Puzzle19%(157/791)2024-8-16
1399Direct Visibility41%(159/383)2024-10-17
1352Quantity of White Mice28%(166/579)2024-9-19
1355Selecting the Optimal Teaching Fiends14%(170/1179)2024-7-22
1343Rooted Trees Isomorphism26%(176/652)2023-10-5
1374Crosswords30%(177/585)2022-2-2
1341The Strongest Subchains22%(180/817)2024-10-23
1359Spacecraft Malfunction35%(183/518)2024-8-1
1334Two Mountaineers39%(184/468)2024-7-29
1367Time27%(188/694)2024-10-28
1378Power Cable Problem44%(189/424)2024-7-13
1310Nonstop Travel32%(193/592)2024-9-10
1370Gossiping34%(199/572)2022-2-1
1340The Longest Detour Problem33%(231/695)2022-1-25
1382The Proper Key35%(235/669)2024-9-11
1377Good Approximation Problem22%(238/1065)2024-8-1
1307Mapping the Route35%(242/678)2024-7-17
1366Word26%(250/953)2024-8-12
1387The Constraint Densest Submatrix23%(273/1150)2022-12-8
1356Grandpa's Other Estate44%(273/609)2024-7-31
1395Cog-Wheels12%(282/2348)2024-9-11
1344Tree Size Problem54%(282/522)2022-5-29
1371Tin Cutter33%(289/864)2022-2-2
1381Secret Code32%(298/904)2024-8-18
1348Computing15%(306/1928)2024-9-16
1304World's Worst Bus Schedule33%(310/916)2024-7-26
1336The K-League35%(319/901)2024-3-9
1388Hinge Node Problem61%(345/563)2024-9-23
1327Moving Object Recognition56%(347/609)2024-8-11
1353Color Change of Go Game Pieces60%(356/590)2023-6-12
1339poker card game34%(372/1072)2024-8-17
1362Skew Binary54%(404/735)2024-7-25
1394Railroad30%(413/1351)2024-7-27
1302Blue Gene, Jr.59%(433/727)2024-8-9
1349Coding of Permutations41%(445/1083)2024-9-16
1391Erdos Numbers25%(455/1778)2024-9-11
1337A Lazy Worker34%(467/1357)2024-8-14
1396Simple Arithmetics23%(550/2373)2024-9-18
1398Complete the sequence!48%(555/1137)2024-10-17
1332Finding Liars42%(719/1704)2024-8-2
1312Numerically Speaking52%(726/1382)2024-9-11
1314Finding Rectangles37%(735/1978)2023-10-3
1392Ouroboros Snake50%(812/1612)2024-10-29
1351Number of Locks48%(836/1714)2024-9-27
1319Pipe Fitters45%(861/1900)2024-11-10
1354Placement of Keys51%(919/1795)2024-9-23
1309Coconuts, Revisited40%(923/2254)2024-8-19
1305Fermat vs. Pythagoras56%(1128/1999)2024-11-10
1380Equipment Box26%(1190/4484)2024-9-18
1313Booklet Printing50%(1239/2453)2024-9-24
1385Lifting the Stone31%(1376/4400)2024-11-14
1375Intervals29%(1585/5296)2024-11-13
1300Door Man42%(1781/4158)2024-10-29
1320Street Numbers54%(1863/3409)2024-9-20
1329Circle Through Three Points38%(1957/5024)2024-11-15
1315Don't Get Rooked62%(1984/3159)2024-10-12
1389Area of Simple Polygons51%(2094/4061)2023-6-3
1317Do the Untwist59%(2263/3774)2024-9-11
1383Labyrinth35%(2373/6683)2024-11-15
1365Prime Land43%(2539/5778)2024-8-10
1390Blocks40%(3245/7977)2024-11-7
1331Multiply51%(3269/6330)2024-11-5
1322Chocolate26%(3505/13395)2024-11-9
1379Run Away28%(3507/12097)2024-11-9
1376Robot33%(3520/10665)2024-11-20
1350Cabric Number Problem30%(3701/12131)2024-9-20
1318Word Amalgamation47%(5357/11334)2024-11-16
1324Holedox Moving24%(5524/22333)2024-4-22
1306Combinations44%(5764/12834)2024-10-4
1364King34%(5846/17160)2024-10-17
1386Play on Words32%(5850/18066)2024-10-29
1323Game Prediction47%(6209/12987)2024-9-13
1326Mileage Bank41%(6347/15221)2024-8-15
1325Machine Schedule40%(8862/21731)2024-11-15
1384Piggy-Bank49%(9717/19606)2024-11-11
1338Ugly Numbers41%(13538/32304)2024-11-21
1316Self Numbers55%(14910/26985)2024-11-15
1308Is It A Tree?31%(17232/55117)2024-11-21
1363Rails37%(19624/52435)2024-11-20
1330Nearest Common Ancestors47%(22766/47731)2024-11-16
1328Radar Installation22%(39281/172677)2024-11-19
1321棋盘问题44%(59400/133093)2024-11-21

Home Page   Go Back  To top


All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator