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| 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 |
| 1500 | Polygonal Puzzle | 16%(39/231) | Aug 8, 2026 |
| 1501 | Word-Search Wonder | 39%(679/1740) | Aug 9, 2026 |
| 1502 | MPI Maelstrom | 57%(12496/21731) | Aug 8, 2026 |
| 1503 | Integer Inquiry | 38%(15580/40620) | Jul 19, 2026 |
| 1504 | Adding Reversed Numbers | 52%(11799/22435) | Sep 2, 2026 |
| 1505 | Copying Books | 30%(4358/14334) | Aug 22, 2026 |
| 1506 | Substitution Cipher | 16%(216/1339) | Aug 8, 2026 |
| 1507 | Commedia dell' arte | 38%(197/507) | Aug 8, 2026 |
| 1508 | Skyscraper Floors | 17%(190/1066) | Aug 8, 2026 |
| 1509 | Glass Beads | 54%(3764/6925) | Aug 24, 2026 |
| 1510 | Hares and Foxes | 26%(57/216) | Aug 8, 2026 |
| 1511 | Invitation Cards | 30%(15010/48573) | Sep 2, 2026 |
| 1512 | Keeps Going and Going and ... | 27%(62/222) | Aug 8, 2026 |
| 1513 | Scheduling Lectures | 42%(588/1375) | Aug 15, 2026 |
| 1514 | Metal Cutting | 33%(251/749) | Aug 8, 2026 |
| 1515 | Street Directions | 47%(875/1856) | Aug 12, 2026 |
| 1516 | Parallel Deadlock | 33%(49/148) | Aug 8, 2026 |
| 1517 | u Calculate e | 57%(12148/21008) | Aug 23, 2026 |
| 1518 | Problem Bee | 44%(206/463) | Aug 8, 2026 |
| 1519 | Digital Roots | 32%(10082/31154) | Aug 8, 2026 |
| 1520 | Scramble Sort | 46%(1374/2986) | Aug 8, 2026 |
| 1521 | Entropy | 31%(7550/23757) | Sep 2, 2026 |
| 1522 | N-Credible Mazes | 51%(342/670) | Aug 29, 2026 |
| 1523 | SPF | 42%(6124/14309) | Sep 4, 2026 |
| 1524 | Cowculations | 52%(210/401) | Aug 8, 2026 |
| 1525 | Hi-Q | 59%(166/278) | Aug 8, 2026 |
| 1526 | Call Forwarding | 32%(155/471) | Aug 8, 2026 |
| 1527 | Making the Grade | 54%(138/254) | Aug 8, 2026 |
| 1528 | Perfection | 45%(6521/14391) | Aug 8, 2026 |
| 1529 | Shipping Routes | 48%(314/652) | Sep 5, 2026 |
| 1530 | Slurpys | 51%(262/511) | Sep 5, 2026 |
| 1531 | Trooper of Bam | 0%(7/914) | Aug 8, 2026 |
| 1532 | Mixed Numbers | 14%(136/929) | Aug 8, 2026 |
| 1533 | Mystery | 12%(68/537) | Aug 8, 2026 |
| 1534 | Terrorist Attack | 18%(43/231) | Aug 8, 2026 |
| 1535 | Forgetful | 20%(186/905) | Aug 8, 2026 |
| 1536 | Trains | 14%(41/291) | Aug 8, 2026 |
| 1537 | Identifying Legal Pascal Real Constants | 34%(284/820) | Sep 5, 2026 |
| 1538 | Extrapolation Using a Difference Table | 54%(176/325) | Aug 8, 2026 |
| 1539 | Evaluating Simple C Expressions | 42%(322/754) | Aug 29, 2026 |
| 1540 | The Finite State Text-Processing | 12%(35/283) | Aug 8, 2026 |
| 1541 | Dart-a-Mania | 34%(98/284) | Aug 8, 2026 |
| 1542 | DNA Translation | 18%(77/415) | Aug 8, 2026 |
| 1543 | Perfect Cubes | 47%(9578/20335) | Aug 8, 2026 |
| 1544 | A Puzzling Problem | 32%(143/436) | Aug 8, 2026 |
| 1545 | Galactic Import | 40%(206/506) | Aug 8, 2026 |
| 1546 | Basically Speaking | 43%(2329/5320) | Aug 8, 2026 |
| 1547 | Clay Bully | 54%(5516/10043) | Aug 8, 2026 |
| 1548 | Robots | 46%(2333/5066) | Aug 8, 2026 |
| 1549 | Bright Bracelet | 24%(196/813) | Aug 8, 2026 |
| 1550 | Treadmill | 52%(190/364) | Mar 27, 2026 |
| 1551 | Data Mining? | 36%(176/483) | Dec 9, 2025 |
| 1552 | Doubles | 55%(15120/27311) | Sep 5, 2026 |
| 1553 | Fax Regions | 22%(59/262) | Dec 1, 2025 |
| 1554 | Tournament Brackets | 37%(94/253) | Dec 1, 2025 |
| 1555 | Polynomial Showdown | 32%(2346/7259) | Sep 6, 2026 |
| 1556 | The Doors | 35%(5034/14284) | Aug 13, 2026 |
| 1557 | Mapmaker | 59%(174/294) | Mar 27, 2026 |
| 1558 | Board Silly | 49%(174/352) | Mar 20, 2026 |
| 1559 | Equation Elation | 41%(150/361) | Mar 5, 2026 |
| 1560 | 18 Wheeler Caravans (aka Semigroups) | 34%(49/143) | Mar 4, 2026 |
| 1561 | Another Puzzling Problem | 21%(148/680) | Mar 5, 2026 |
| 1562 | Oil Deposits | 50%(15472/30753) | Aug 24, 2026 |
| 1563 | The Snail | 42%(1125/2634) | Aug 7, 2026 |
| 1564 | Sum It Up | 50%(5360/10685) | Mar 27, 2026 |
| 1565 | Skew Binary | 63%(7399/11644) | Mar 27, 2026 |
| 1566 | Haiku Review | 60%(566/929) | Aug 9, 2026 |
| 1567 | WIMP | 36%(48/130) | Jun 18, 2026 |
| 1568 | Find the Winning Move | 46%(996/2142) | Aug 13, 2026 |
| 1569 | Myacm Triangles | 53%(783/1453) | Aug 8, 2026 |
| 1570 | Exchange Rates | 45%(204/444) | Sep 5, 2026 |
| 1571 | Loansome Car Buyer | 41%(157/379) | Mar 27, 2026 |
| 1572 | Automatic Editing | 44%(735/1637) | Aug 8, 2026 |
| 1573 | Robot Motion | 46%(8641/18621) | Nov 20, 2025 |
| 1574 | The Triangle Game | 51%(369/719) | Aug 26, 2026 |
| 1575 | Easier Done Than Said? | 52%(3052/5806) | Jan 7, 2026 |
| 1576 | Colorville | 39%(217/556) | Sep 5, 2026 |
| 1577 | Falling Leaves | 52%(4185/8036) | Aug 16, 2026 |
| 1578 | Instruens Fabulam | 45%(374/828) | Aug 28, 2026 |
| 1579 | Function Run Fun | 45%(13355/29064) | Sep 6, 2026 |
| 1580 | String Matching | 47%(2669/5650) | Nov 20, 2025 |
| 1581 | A Contesting Decision | 57%(3474/6092) | Jul 23, 2026 |
| 1582 | Which Way Do I Go? | 13%(77/555) | Mar 5, 2026 |
| 1583 | Choose Your Words Carefully | 30%(604/1975) | Aug 13, 2026 |
| 1584 | A Round Peg in a Ground Hole | 31%(3063/9809) | Aug 21, 2026 |
| 1585 | Helping Florida | 22%(108/488) | Aug 14, 2026 |
| 1586 | Three Sides Make a Triangle | 15%(680/4264) | Aug 9, 2026 |
| 1587 | High and Dry | 16%(33/200) | Jun 3, 2026 |
| 1588 | Reverse Roman Notation | 38%(297/781) | Sep 5, 2026 |
| 1589 | Unix ls | 33%(1076/3247) | Aug 26, 2026 |
| 1590 | Palindromes | 33%(1601/4814) | Jul 29, 2026 |
| 1591 | M*A*S*H | 49%(729/1469) | Aug 8, 2026 |
| 1592 | Postscript | 23%(90/376) | Dec 9, 2025 |
| 1593 | Radar Scopes | 19%(55/280) | Dec 9, 2025 |
| 1594 | Message Routing | 37%(58/156) | Mar 27, 2026 |
| 1595 | Prime Cuts | 37%(4921/13073) | May 9, 2026 |
| 1596 | Gears on a Board | 24%(43/174) | Dec 9, 2025 |
| 1597 | Uniform Generator | 42%(3175/7466) | Aug 29, 2026 |
| 1598 | Excuses, Excuses! | 33%(1688/4990) | May 3, 2026 |
| 1599 | Station Balance | 34%(235/674) | Jun 16, 2026 |
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