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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 |
| 2500 | Pia's Party | 22%(517/2273) | Sep 14, 2024 |
| 2501 | Average Speed | 44%(2447/5453) | May 5, 2025 |
| 2502 | Subway | 31%(6426/20380) | Aug 17, 2025 |
| 2503 | Babelfish | 38%(30282/77647) | Aug 19, 2025 |
| 2504 | Bounding box | 39%(662/1679) | Aug 12, 2024 |
| 2505 | A multiplication game | 49%(4079/8205) | May 9, 2025 |
| 2506 | Tiling | 42%(7937/18575) | May 20, 2025 |
| 2507 | Crossed ladders | 37%(2183/5771) | Sep 24, 2024 |
| 2508 | Conic distance | 41%(1009/2450) | Dec 31, 2024 |
| 2509 | Peter's smokes | 41%(7716/18772) | Dec 28, 2024 |
| 2510 | Tullia and Chocolate II | 20%(381/1853) | May 19, 2025 |
| 2511 | The Top Shelf | 27%(419/1519) | Jun 27, 2023 |
| 2512 | Chessboard in FEN | 40%(378/938) | May 14, 2025 |
| 2513 | Colored Sticks | 25%(11672/45290) | Aug 3, 2025 |
| 2514 | Ridiculous Addition | 21%(429/2033) | May 14, 2025 |
| 2515 | Birthday Cake | 37%(432/1159) | Jul 26, 2023 |
| 2516 | Minimum Cost | 35%(7726/21864) | Aug 20, 2025 |
| 2517 | Cover | 12%(28/223) | Dec 18, 2021 |
| 2518 | Little guys' game | 30%(183/609) | May 14, 2025 |
| 2519 | Cutting Necklace | 12%(177/1386) | Aug 7, 2024 |
| 2520 | DNA Sequence Alignment | 11%(311/2770) | Dec 9, 2024 |
| 2521 | How much did the businessman lose | 62%(8475/13636) | Jun 21, 2025 |
| 2522 | Partitioning for fun and profit | 31%(312/991) | Jun 23, 2025 |
| 2523 | ASCII Labyrinth | 37%(163/430) | Apr 28, 2025 |
| 2524 | Ubiquitous Religions | 45%(26397/57994) | Aug 14, 2025 |
| 2525 | Text Formalization | 20%(252/1247) | Dec 27, 2024 |
| 2526 | Center of symmetry | 44%(1179/2635) | May 18, 2025 |
| 2527 | Polynomial Remains | 56%(833/1480) | May 18, 2025 |
| 2528 | Mayor's posters | 28%(30834/109178) | Aug 19, 2025 |
| 2529 | Queuing at the doctors | 33%(192/570) | Aug 16, 2023 |
| 2530 | Tetris Alphabet | 40%(568/1391) | Mar 10, 2025 |
| 2531 | Network Saboteur | 51%(10165/19915) | Aug 2, 2025 |
| 2532 | Burned Calendar | 26%(137/509) | Mar 10, 2025 |
| 2533 | Longest Ordered Subsequence | 44%(39362/88275) | Aug 22, 2025 |
| 2534 | Falling cards | 17%(72/402) | Mar 10, 2025 |
| 2535 | Very Simple Problem | 37%(1717/4623) | May 20, 2025 |
| 2536 | Gopher II | 39%(4409/11121) | Mar 12, 2025 |
| 2537 | Tight words | 46%(1341/2868) | Aug 16, 2024 |
| 2538 | WERTYU | 45%(5177/11324) | May 13, 2025 |
| 2539 | Division | 25%(667/2595) | Mar 15, 2025 |
| 2540 | Hotter Colder | 38%(1623/4183) | May 14, 2025 |
| 2541 | Binary Witch | 37%(629/1699) | Dec 31, 2023 |
| 2542 | Fool Game | 19%(75/391) | May 14, 2025 |
| 2543 | Spreadsheet | 23%(114/481) | May 8, 2025 |
| 2544 | PreQueL | 15%(50/333) | Mar 18, 2025 |
| 2545 | Hamming Problem | 46%(3162/6844) | Nov 15, 2024 |
| 2546 | Circular Area | 34%(2852/8309) | May 13, 2025 |
| 2547 | No Tipping | 37%(347/937) | Apr 5, 2022 |
| 2548 | Subway | 37%(175/464) | Aug 12, 2024 |
| 2549 | Sumsets | 27%(4318/15803) | May 13, 2025 |
| 2550 | Zipf's Law | 30%(590/1933) | May 13, 2025 |
| 2551 | Ones | 55%(7001/12544) | May 13, 2025 |
| 2552 | Assistance Required | 57%(1731/2985) | May 13, 2025 |
| 2553 | The Bottom of a Graph | 40%(5799/14319) | May 26, 2025 |
| 2554 | Fixed Partition Contest Management | 31%(129/416) | Jul 29, 2024 |
| 2555 | Drink, on Ice | 58%(888/1525) | May 13, 2025 |
| 2556 | Edge | 67%(939/1398) | May 13, 2025 |
| 2557 | Fold | 40%(160/391) | Nov 11, 2024 |
| 2558 | Genetic Code | 53%(696/1290) | May 13, 2025 |
| 2559 | Largest Rectangle in a Histogram | 32%(14419/44856) | Aug 24, 2025 |
| 2560 | Freckles | 45%(4685/10373) | May 13, 2025 |
| 2561 | Language Cardinality | 20%(267/1298) | May 13, 2025 |
| 2562 | Primary Arithmetic | 36%(4464/12301) | Jun 11, 2025 |
| 2563 | Demerit Points | 33%(176/531) | May 13, 2025 |
| 2564 | Edit Step Ladders | 35%(1037/2883) | May 13, 2025 |
| 2565 | Average is not Fast Enough! | 43%(1019/2363) | May 13, 2025 |
| 2566 | Bound Found | 31%(4964/15890) | Aug 16, 2025 |
| 2567 | Code the Tree | 38%(1197/3086) | May 5, 2025 |
| 2568 | Decode the Tree | 39%(782/1989) | May 6, 2025 |
| 2569 | Etaoin Shrdlu | 49%(702/1418) | May 5, 2025 |
| 2570 | Fiber Network | 43%(1881/4361) | May 4, 2025 |
| 2571 | Global Roaming | 49%(405/819) | May 4, 2025 |
| 2572 | Hard to Believe, but True! | 57%(2158/3765) | May 5, 2025 |
| 2573 | Bridge | 32%(1995/6147) | May 10, 2025 |
| 2574 | Saskatchewan | 24%(222/889) | May 6, 2025 |
| 2575 | Jolly Jumpers | 29%(5566/18583) | Jun 20, 2025 |
| 2576 | Tug of War | 28%(3230/11205) | Aug 14, 2025 |
| 2577 | Interpreter | 34%(768/2252) | May 4, 2025 |
| 2578 | Keep on Truckin' | 75%(6636/8776) | Aug 21, 2025 |
| 2579 | Blurred Vision | 70%(1661/2350) | May 12, 2025 |
| 2580 | The Door/Key Problem | 28%(201/717) | May 6, 2025 |
| 2581 | Exact Change Only | 34%(946/2749) | May 5, 2025 |
| 2582 | Finding Nemo | 42%(243/570) | May 6, 2025 |
| 2583 | Series Determination | 65%(4324/6595) | May 12, 2025 |
| 2584 | T-Shirt Gumbo | 47%(1996/4192) | May 4, 2025 |
| 2585 | Window Pains | 49%(1648/3361) | May 4, 2025 |
| 2586 | Y2K Accounting Bug | 50%(11317/22579) | Jun 25, 2025 |
| 2587 | Airline Hub | 32%(663/2035) | May 5, 2025 |
| 2588 | Snakes | 31%(486/1550) | May 11, 2025 |
| 2589 | Snap | 38%(251/660) | May 6, 2025 |
| 2590 | Steps | 45%(3852/8457) | Aug 20, 2025 |
| 2591 | Set Definition | 46%(4726/10119) | Aug 2, 2025 |
| 2592 | Standard Point System | 24%(206/838) | Mar 9, 2025 |
| 2593 | Max Sequence | 41%(8659/20982) | May 2, 2025 |
| 2594 | Treasure Exploration | 40%(5102/12611) | Aug 19, 2025 |
| 2595 | Min-Max | 22%(575/2574) | Aug 18, 2025 |
| 2596 | Dice Stacking | 24%(391/1594) | May 26, 2022 |
| 2597 | Line Segment Erase | 28%(441/1534) | Nov 7, 2024 |
| 2598 | Match Throwing Game | 29%(326/1090) | Sep 18, 2024 |
| 2599 | A funny game | 42%(1007/2394) | Aug 9, 2025 |
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