 |
| ||||
Home Page
F.A.Qs
Statistical Charts
Past Contests
Scheduled Contests
Award Contest
| ||||||||||
| Online Judge | Problem Set | Authors | Online Contests | User | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest | |||||||||
| ID | Title | Ratio(AC/submit) | Date |
| 1402 | The Game of Master-Mind | 4%(112/2571) | Mar 20, 2026 |
| 1464 | Company | 10%(49/475) | Mar 5, 2026 |
| 1428 | Hermes' Colony | 12%(42/336) | Mar 21, 2026 |
| 1437 | Chat Rooms | 15%(107/696) | Apr 5, 2026 |
| 1445 | Random number | 17%(42/240) | Dec 9, 2025 |
| 1412 | Equals are Equals | 18%(92/508) | Dec 9, 2025 |
| 1452 | Signal Box | 18%(28/153) | Dec 9, 2025 |
| 1498 | Matching Meetings | 18%(53/282) | Dec 9, 2025 |
| 1490 | Cabinets | 19%(70/364) | Mar 5, 2026 |
| 1441 | Table | 19%(85/432) | Dec 1, 2025 |
| 1421 | Peter's Calculator | 20%(94/457) | Mar 20, 2026 |
| 1462 | Random Walk | 20%(191/920) | Mar 5, 2026 |
| 1403 | Hotline | 21%(178/839) | Oct 14, 2025 |
| 1424 | Diamonds | 21%(86/393) | Dec 9, 2025 |
| 1483 | Going in Circles on Alpha Centauri | 21%(46/210) | Dec 9, 2025 |
| 1465 | Multiple | 21%(2069/9421) | Mar 26, 2026 |
| 1413 | GIGA Universe Cup | 22%(66/294) | Mar 5, 2026 |
| 1446 | Moscow Time | 22%(154/680) | Mar 5, 2026 |
| 1443 | DEL command | 23%(78/334) | Dec 9, 2025 |
| 1444 | Parallelepiped walk | 23%(214/906) | Dec 1, 2025 |
| 1429 | Alice and Bob | 24%(296/1231) | Mar 26, 2026 |
| 1410 | Intersection | 24%(5615/22483) | Apr 13, 2026 |
| 1479 | MBone | 25%(38/152) | Dec 9, 2025 |
| 1447 | Ambiguous Dates | 25%(64/248) | Dec 1, 2025 |
| 1499 | Supercomputer Selection, The Sequel | 26%(46/173) | Dec 9, 2025 |
| 1487 | Single-Player Games | 26%(518/1932) | Dec 23, 2025 |
| 1453 | Delta Encoding and Decoding | 28%(229/804) | Dec 1, 2025 |
| 1457 | Lord of the Ring | 28%(204/710) | Mar 21, 2026 |
| 1489 | Egyptian Multiplication | 29%(390/1325) | Apr 5, 2026 |
| 1415 | Map of Ninja House | 29%(200/675) | Dec 9, 2025 |
| 1470 | Closest Common Ancestors | 29%(8693/29072) | Mar 5, 2026 |
| 1427 | Get Them All | 30%(60/198) | Dec 29, 2025 |
| 1400 | Complicated Expressions | 30%(618/2035) | Oct 14, 2025 |
| 1423 | Big Number | 30%(9778/31955) | Mar 26, 2026 |
| 1448 | Cube | 30%(120/391) | Dec 9, 2025 |
| 1417 | True Liars | 31%(3664/11788) | Mar 5, 2026 |
| 1460 | Firefighters | 31%(362/1157) | Mar 5, 2026 |
| 1407 | e-Market | 32%(157/490) | Nov 21, 2025 |
| 1438 | One-way Traffic | 32%(392/1216) | Dec 1, 2025 |
| 1472 | Instant Complexity | 32%(1024/3150) | Apr 7, 2026 |
| 1434 | Fill the Cisterns! | 32%(1483/4528) | Nov 21, 2025 |
| 1478 | Island of Logic | 33%(228/681) | Mar 18, 2026 |
| 1475 | Pushing Boxes | 33%(3980/11783) | Apr 13, 2026 |
| 1451 | T9 | 33%(1847/5462) | Dec 9, 2025 |
| 1495 | LED Test | 34%(185/542) | Dec 9, 2025 |
| 1480 | Optimal Programs | 34%(546/1575) | Dec 9, 2025 |
| 1411 | Calling Extraterrestrial Intelligence Again | 35%(5027/14168) | Mar 26, 2026 |
| 1431 | Calendar of Maya | 35%(106/297) | Mar 21, 2026 |
| 1436 | Horizontally Visible Segments | 35%(2463/6877) | Mar 5, 2026 |
| 1409 | 77377 | 36%(364/1002) | Mar 26, 2026 |
| 1471 | Triangles | 36%(845/2322) | Apr 13, 2026 |
| 1494 | Sunrise | 36%(171/469) | Nov 21, 2025 |
| 1477 | Box of Bricks | 37%(10226/27555) | Apr 13, 2026 |
| 1461 | Binary Polynomials | 37%(200/536) | Jan 7, 2026 |
| 1405 | Heritage | 37%(2999/8013) | Mar 5, 2026 |
| 1481 | The Die Is Cast | 37%(697/1862) | Mar 28, 2026 |
| 1486 | Sorting Slides | 37%(2434/6490) | Nov 20, 2025 |
| 1469 | COURSES | 37%(12429/32966) | Mar 27, 2026 |
| 1426 | Find The Multiple | 37%(31609/83415) | Apr 14, 2026 |
| 1484 | Blowing Fuses | 38%(1762/4608) | Apr 2, 2026 |
| 1439 | Rhombs | 38%(79/206) | Dec 1, 2025 |
| 1449 | Enigma | 38%(87/226) | Dec 1, 2025 |
| 1485 | Fast Food | 38%(1531/3952) | Jan 8, 2026 |
| 1482 | It's not a Bug, It's a Feature! | 39%(665/1692) | Jan 8, 2026 |
| 1432 | Decoding Morse Sequences | 39%(746/1884) | Dec 9, 2025 |
| 1442 | Black Box | 39%(8798/22137) | Apr 13, 2026 |
| 1418 | Viva Confetti | 40%(555/1385) | Dec 9, 2025 |
| 1430 | Binary Stirling Numbers | 40%(919/2262) | Mar 27, 2026 |
| 1467 | Symbolic Derivation | 41%(74/178) | Dec 1, 2025 |
| 1463 | Strategic game | 42%(7040/16673) | Apr 14, 2026 |
| 1456 | Supermarket | 42%(14147/33460) | Apr 14, 2026 |
| 1454 | Factorial Frequencies | 42%(1267/2978) | Mar 19, 2026 |
| 1458 | Common Subsequence | 42%(38701/90734) | Apr 10, 2026 |
| 1474 | Video Surveillance | 42%(2511/5852) | Apr 10, 2026 |
| 1473 | There's Treasure Everywhere! | 43%(976/2263) | Nov 21, 2025 |
| 1497 | Molecules | 43%(127/292) | Mar 27, 2026 |
| 1435 | Gates | 44%(149/336) | Dec 1, 2025 |
| 1466 | Girls and Boys | 45%(7136/15772) | Apr 14, 2026 |
| 1419 | Graph Coloring | 45%(3427/7501) | Jan 4, 2026 |
| 1420 | Spreadsheet | 46%(482/1043) | Mar 26, 2026 |
| 1433 | Exchanges | 47%(254/536) | Mar 26, 2026 |
| 1450 | Gridland | 47%(5015/10578) | Jan 27, 2026 |
| 1440 | Varacious Steve | 47%(238/496) | Mar 27, 2026 |
| 1404 | I-Keyboard | 48%(2206/4569) | Apr 5, 2026 |
| 1425 | Enigmatic Travel | 50%(148/293) | Mar 26, 2026 |
| 1488 | TEX Quotes | 50%(6759/13282) | Mar 27, 2026 |
| 1459 | Power Network | 50%(17673/34714) | Jan 25, 2026 |
| 1468 | Rectangles | 51%(1863/3645) | Mar 27, 2026 |
| 1476 | Always On the Run | 51%(418/811) | Mar 26, 2026 |
| 1416 | Shredding Company | 52%(4626/8817) | Mar 27, 2026 |
| 1491 | Pi | 54%(2892/5295) | Mar 27, 2026 |
| 1496 | Word Index | 55%(3267/5936) | Mar 27, 2026 |
| 1492 | Up and Down Sequences | 55%(448/802) | Dec 9, 2025 |
| 1408 | Fishnet | 58%(1736/2961) | Jan 18, 2026 |
| 1422 | Air Raid | 58%(6712/11414) | Mar 26, 2026 |
| 1493 | Machined Surfaces | 59%(2576/4322) | Apr 13, 2026 |
| 1406 | Starship Hakodate-maru | 59%(983/1641) | Mar 26, 2026 |
| 1401 | Factorial | 60%(11277/18793) | Mar 26, 2026 |
| 1414 | Life Line | 66%(824/1248) | Mar 29, 2026 |
| 1455 | Crazy tea party | 67%(5366/7949) | Mar 26, 2026 |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator
