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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 |
| 1567 | WIMP | 37%(46/123) | Oct 14, 2025 |
| 1560 | 18 Wheeler Caravans (aka Semigroups) | 35%(49/140) | Nov 20, 2025 |
| 1594 | Message Routing | 38%(55/144) | Oct 21, 2025 |
| 1516 | Parallel Deadlock | 32%(48/146) | Oct 14, 2025 |
| 1596 | Gears on a Board | 24%(43/173) | Oct 15, 2025 |
| 1587 | High and Dry | 16%(32/190) | Oct 14, 2025 |
| 1510 | Hares and Foxes | 26%(56/209) | Oct 14, 2025 |
| 1512 | Keeps Going and Going and ... | 27%(59/212) | Nov 10, 2025 |
| 1534 | Terrorist Attack | 18%(41/222) | Oct 14, 2025 |
| 1500 | Polygonal Puzzle | 16%(37/226) | Oct 14, 2025 |
| 1527 | Making the Grade | 55%(133/240) | Oct 14, 2025 |
| 1554 | Tournament Brackets | 37%(94/252) | Oct 14, 2025 |
| 1553 | Fax Regions | 22%(59/261) | Oct 14, 2025 |
| 1525 | Hi-Q | 58%(155/265) | Oct 21, 2025 |
| 1541 | Dart-a-Mania | 31%(84/270) | Nov 20, 2025 |
| 1540 | The Finite State Text-Processing | 11%(33/279) | Oct 14, 2025 |
| 1593 | Radar Scopes | 19%(55/279) | Nov 21, 2025 |
| 1557 | Mapmaker | 59%(166/281) | Nov 20, 2025 |
| 1536 | Trains | 14%(40/283) | Oct 14, 2025 |
| 1538 | Extrapolation Using a Difference Table | 54%(175/321) | Nov 21, 2025 |
| 1558 | Board Silly | 50%(173/343) | Oct 14, 2025 |
| 1550 | Treadmill | 50%(177/351) | Oct 14, 2025 |
| 1559 | Equation Elation | 42%(150/355) | Oct 14, 2025 |
| 1571 | Loansome Car Buyer | 40%(148/365) | Nov 20, 2025 |
| 1592 | Postscript | 24%(90/375) | Oct 14, 2025 |
| 1524 | Cowculations | 51%(202/391) | Oct 14, 2025 |
| 1542 | DNA Translation | 18%(76/412) | Oct 14, 2025 |
| 1544 | A Puzzling Problem | 32%(143/435) | Nov 20, 2025 |
| 1570 | Exchange Rates | 45%(201/437) | Nov 21, 2025 |
| 1526 | Call Forwarding | 32%(149/461) | Oct 14, 2025 |
| 1518 | Problem Bee | 44%(205/462) | Oct 14, 2025 |
| 1585 | Helping Florida | 21%(105/480) | Nov 20, 2025 |
| 1551 | Data Mining? | 36%(176/481) | Oct 14, 2025 |
| 1545 | Galactic Import | 40%(199/494) | Nov 20, 2025 |
| 1530 | Slurpys | 49%(246/494) | Oct 14, 2025 |
| 1507 | Commedia dell' arte | 38%(188/494) | Nov 21, 2025 |
| 1533 | Mystery | 12%(66/531) | Oct 14, 2025 |
| 1582 | Which Way Do I Go? | 14%(77/550) | Nov 21, 2025 |
| 1576 | Colorville | 39%(216/550) | Nov 21, 2025 |
| 1529 | Shipping Routes | 47%(305/637) | Nov 21, 2025 |
| 1599 | Station Balance | 35%(234/664) | Oct 15, 2025 |
| 1522 | N-Credible Mazes | 50%(340/668) | Nov 20, 2025 |
| 1561 | Another Puzzling Problem | 21%(148/675) | Oct 16, 2025 |
| 1574 | The Triangle Game | 51%(367/716) | Nov 21, 2025 |
| 1539 | Evaluating Simple C Expressions | 42%(320/747) | Nov 21, 2025 |
| 1514 | Metal Cutting | 33%(250/747) | Nov 13, 2024 |
| 1588 | Reverse Roman Notation | 38%(295/773) | Nov 21, 2025 |
| 1549 | Bright Bracelet | 24%(195/810) | Oct 14, 2025 |
| 1537 | Identifying Legal Pascal Real Constants | 34%(280/816) | Nov 20, 2025 |
| 1578 | Instruens Fabulam | 45%(373/823) | Oct 21, 2025 |
| 1535 | Forgetful | 20%(185/892) | Oct 14, 2025 |
| 1531 | Trooper of Bam | 0%(5/904) | Oct 14, 2025 |
| 1566 | Haiku Review | 60%(558/919) | Nov 20, 2025 |
| 1532 | Mixed Numbers | 14%(135/925) | Oct 14, 2025 |
| 1508 | Skyscraper Floors | 17%(188/1057) | Oct 14, 2025 |
| 1506 | Substitution Cipher | 15%(212/1330) | Oct 14, 2025 |
| 1513 | Scheduling Lectures | 42%(586/1371) | Nov 21, 2025 |
| 1569 | Myacm Triangles | 53%(782/1452) | Nov 20, 2025 |
| 1591 | M*A*S*H | 49%(726/1460) | Oct 14, 2025 |
| 1572 | Automatic Editing | 44%(732/1631) | Nov 20, 2025 |
| 1501 | Word-Search Wonder | 38%(671/1724) | Nov 20, 2025 |
| 1515 | Street Directions | 47%(872/1847) | Nov 21, 2025 |
| 1583 | Choose Your Words Carefully | 30%(596/1961) | Nov 21, 2025 |
| 1568 | Find the Winning Move | 46%(995/2135) | Oct 14, 2025 |
| 1563 | The Snail | 42%(1112/2621) | Nov 20, 2025 |
| 1520 | Scramble Sort | 45%(1369/2978) | Nov 20, 2025 |
| 1589 | Unix ls | 33%(1070/3236) | Nov 21, 2025 |
| 1586 | Three Sides Make a Triangle | 15%(679/4251) | Nov 21, 2025 |
| 1590 | Palindromes | 33%(1593/4803) | Nov 21, 2025 |
| 1598 | Excuses, Excuses! | 33%(1684/4986) | Nov 21, 2025 |
| 1548 | Robots | 46%(2330/5062) | Nov 24, 2025 |
| 1546 | Basically Speaking | 43%(2327/5313) | Nov 21, 2025 |
| 1580 | String Matching | 47%(2669/5650) | Nov 20, 2025 |
| 1575 | Easier Done Than Said? | 52%(3052/5804) | Nov 20, 2025 |
| 1581 | A Contesting Decision | 56%(3454/6069) | Nov 20, 2025 |
| 1509 | Glass Beads | 54%(3749/6906) | Nov 20, 2025 |
| 1555 | Polynomial Showdown | 32%(2335/7231) | Nov 20, 2025 |
| 1597 | Uniform Generator | 42%(3116/7298) | Nov 25, 2025 |
| 1577 | Falling Leaves | 52%(4150/7977) | Nov 20, 2025 |
| 1584 | A Round Peg in a Ground Hole | 31%(3043/9772) | Nov 20, 2025 |
| 1547 | Clay Bully | 54%(5507/10032) | Nov 20, 2025 |
| 1564 | Sum It Up | 50%(5352/10672) | Nov 21, 2025 |
| 1565 | Skew Binary | 63%(7390/11633) | Nov 20, 2025 |
| 1595 | Prime Cuts | 37%(4916/13066) | Nov 20, 2025 |
| 1505 | Copying Books | 30%(4307/14129) | Nov 21, 2025 |
| 1556 | The Doors | 35%(5011/14239) | Oct 23, 2025 |
| 1523 | SPF | 42%(6102/14257) | Nov 21, 2025 |
| 1528 | Perfection | 45%(6508/14370) | Nov 22, 2025 |
| 1573 | Robot Motion | 46%(8641/18621) | Nov 20, 2025 |
| 1543 | Perfect Cubes | 47%(9571/20324) | Nov 20, 2025 |
| 1517 | u Calculate e | 57%(12141/21001) | Nov 22, 2025 |
| 1502 | MPI Maelstrom | 57%(12304/21225) | Nov 23, 2025 |
| 1504 | Adding Reversed Numbers | 52%(11767/22395) | Nov 21, 2025 |
| 1521 | Entropy | 31%(7204/23050) | Nov 24, 2025 |
| 1552 | Doubles | 55%(15098/27276) | Nov 22, 2025 |
| 1579 | Function Run Fun | 45%(13340/29035) | Nov 20, 2025 |
| 1562 | Oil Deposits | 50%(15339/30454) | Nov 20, 2025 |
| 1519 | Digital Roots | 32%(10067/31092) | Nov 20, 2025 |
| 1503 | Integer Inquiry | 38%(15574/40612) | Nov 20, 2025 |
| 1511 | Invitation Cards | 30%(14954/48471) | Nov 25, 2025 |
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