Volume
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Language:
| ID | Title | Ratio(AC/submit) |
Date |
| 2401 | Street Polygon | 8%(24/298) | Dec 9, 2025 |
| 2448 | A New Operating System | 10%(151/1418) | Mar 4, 2026 |
| 2450 | A New Kind of Chess | 15%(60/384) | Mar 31, 2026 |
| 2489 | Line Segments | 16%(289/1718) | Apr 3, 2026 |
| 2438 | Children's Dining | 17%(890/5134) | Dec 9, 2025 |
| 2429 | GCD & LCM Inverse | 17%(4363/24805) | Mar 25, 2026 |
| 2426 | Remainder | 20%(723/3598) | Apr 3, 2026 |
| 2468 | Adventures in Moving - Part V | 20%(95/453) | Dec 9, 2025 |
| 2422 | The Wolves and the Sheep | 21%(112/532) | Dec 9, 2025 |
| 2423 | The Parallel Challenge Ballgame | 21%(49/231) | Dec 9, 2025 |
| 2447 | RSA | 23%(1000/4281) | Mar 20, 2026 |
| 2494 | Acid Text | 24%(236/954) | Dec 9, 2025 |
| 2493 | Rdeaalbe | 24%(495/1989) | Apr 3, 2026 |
| 2444 | Partition a Matrix | 25%(645/2540) | Mar 6, 2026 |
| 2482 | Stars in Your Window | 26%(4962/18585) | Jan 13, 2026 |
| 2431 | Expedition | 27%(10689/39222) | Apr 14, 2026 |
| 2476 | Game schedule required | 27%(244/894) | Jan 8, 2026 |
| 2452 | Sticks Problem | 27%(3994/14484) | Apr 10, 2026 |
| 2449 | Remmarguts' Date | 27%(13967/50393) | Apr 7, 2026 |
| 2474 | European railroad tracks | 27%(260/937) | Dec 9, 2025 |
| 2462 | Cutting a polygon | 28%(265/941) | Jan 12, 2026 |
| 2408 | Anagram Groups | 28%(1975/7008) | Mar 6, 2026 |
| 2455 | Secret Milking Machine | 28%(4092/14187) | Apr 3, 2026 |
| 2454 | Jersey Politics | 29%(2210/7559) | Jan 20, 2026 |
| 2445 | Squares | 29%(343/1147) | Dec 1, 2025 |
| 2490 | Pimp My Ride | 30%(524/1701) | Apr 3, 2026 |
| 2479 | Maximum sum | 30%(16667/54038) | Apr 13, 2026 |
| 2446 | Chessboard | 30%(7260/23526) | Feb 3, 2026 |
| 2464 | Brownie Points II | 30%(1063/3431) | Dec 9, 2025 |
| 2497 | Strategies | 31%(1443/4647) | Apr 3, 2026 |
| 2492 | A Bug's Life | 31%(20392/65461) | Apr 8, 2026 |
| 2481 | Cows | 31%(9836/30782) | Apr 3, 2026 |
| 2424 | Flo's Restaurant | 32%(1004/3105) | Apr 3, 2026 |
| 2442 | Sequence | 32%(5217/16032) | Apr 3, 2026 |
| 2480 | Longge's problem | 32%(4714/14474) | Apr 14, 2026 |
| 2410 | Simple Computers | 32%(747/2274) | Apr 5, 2026 |
| 2451 | Uyuw's Concert | 33%(4815/14320) | Apr 10, 2026 |
| 2477 | Help the problem setter | 34%(164/478) | Dec 9, 2025 |
| 2488 | A Knight's Journey | 34%(26385/76839) | Apr 13, 2026 |
| 2486 | Apple Tree | 34%(5636/16319) | Apr 14, 2026 |
| 2413 | How many Fibs? | 34%(4692/13457) | Apr 11, 2026 |
| 2465 | Adventures in Moving - Part IV | 34%(912/2608) | Apr 3, 2026 |
| 2428 | Surface Reconstruction | 35%(69/197) | Dec 9, 2025 |
| 2471 | Bullshit Bingo | 35%(717/2046) | Apr 3, 2026 |
| 2443 | Set Operation | 35%(2785/7789) | Apr 12, 2026 |
| 2430 | Lazy Cows | 35%(1208/3377) | Apr 3, 2026 |
| 2469 | Stack 'em Up | 36%(428/1173) | Apr 3, 2026 |
| 2483 | Greatest Common Subtree | 36%(188/513) | Dec 9, 2025 |
| 2412 | Equidistance | 36%(170/462) | Apr 3, 2026 |
| 2473 | Decorate the wall | 36%(387/1051) | Apr 3, 2026 |
| 2416 | Return of the Jedi | 36%(84/228) | Mar 22, 2026 |
| 2418 | Hardwood Species | 36%(12676/34271) | Apr 10, 2026 |
| 2475 | Any fool can do it | 36%(597/1614) | Mar 6, 2026 |
| 2402 | Palindrome Numbers | 37%(1623/4383) | Apr 3, 2026 |
| 2441 | Arrange the Bulls | 37%(2795/7460) | Apr 3, 2026 |
| 2425 | A Chess Game | 37%(2281/6077) | Apr 8, 2026 |
| 2420 | A Star not a Tree? | 37%(5285/13987) | Apr 8, 2026 |
| 2417 | Discrete Logging | 37%(4828/12763) | Apr 6, 2026 |
| 2434 | Waves | 37%(223/587) | Apr 5, 2026 |
| 2433 | Landscaping | 38%(517/1334) | Mar 6, 2026 |
| 2440 | DNA | 38%(1557/4003) | Apr 3, 2026 |
| 2439 | Disconnect the Orange!? | 39%(190/487) | Dec 1, 2025 |
| 2478 | Farey Sequence | 39%(10706/27289) | Apr 14, 2026 |
| 2419 | Forests | 39%(2627/6678) | Apr 3, 2026 |
| 2461 | Magic Bitstrings | 39%(314/788) | Apr 3, 2026 |
| 2432 | Around the world | 39%(1332/3332) | Apr 3, 2026 |
| 2458 | Rigging the Bovine Election | 40%(855/2107) | Apr 3, 2026 |
| 2427 | Smith's Problem | 40%(408/1004) | Jan 8, 2026 |
| 2406 | Power Strings | 40%(33644/82557) | Apr 14, 2026 |
| 2457 | Part Acquisition | 40%(2504/6116) | Jan 23, 2026 |
| 2404 | Jogging Trails | 41%(1303/3154) | Apr 3, 2026 |
| 2499 | Binary Tree | 41%(4639/11071) | Apr 3, 2026 |
| 2437 | Muddy roads | 42%(2026/4794) | Apr 3, 2026 |
| 2472 | 106 miles to Chicago | 42%(2527/5949) | Apr 10, 2026 |
| 2467 | Snow Clearing | 42%(404/942) | Mar 10, 2026 |
| 2485 | Highways | 42%(19754/45976) | Apr 5, 2026 |
| 2415 | Hike on a Graph | 43%(859/1972) | Nov 25, 2025 |
| 2463 | Bungee Jumping | 44%(1077/2438) | Apr 3, 2026 |
| 2456 | Aggressive cows | 44%(22552/50151) | Apr 14, 2026 |
| 2496 | Military Recruit | 45%(649/1442) | Apr 3, 2026 |
| 2421 | Constructing Roads | 45%(17533/38855) | Apr 9, 2026 |
| 2487 | Stamps | 46%(3991/8555) | Apr 3, 2026 |
| 2436 | Disease Management | 46%(2613/5599) | Apr 3, 2026 |
| 2466 | Pairsumonious Numbers | 48%(530/1087) | Jan 8, 2026 |
| 2407 | Relatives | 51%(11110/21574) | Apr 3, 2026 |
| 2498 | StuPId | 52%(3763/7148) | Apr 3, 2026 |
| 2411 | Mondriaan's Dream | 52%(16029/30315) | Apr 13, 2026 |
| 2491 | Scavenger Hunt | 52%(1949/3680) | Apr 3, 2026 |
| 2400 | Supervisor, Supervisee | 53%(2835/5278) | Dec 9, 2025 |
| 2459 | Feed Accounting | 54%(1473/2719) | Apr 3, 2026 |
| 2435 | Navigating the City | 54%(606/1102) | Apr 14, 2026 |
| 2453 | An Easy Problem | 58%(6056/10428) | Apr 3, 2026 |
| 2470 | Ambiguous permutations | 58%(3854/6536) | Apr 3, 2026 |
| 2414 | Phylogenetic Trees Inherited | 60%(384/640) | Jan 8, 2026 |
| 2484 | A Funny Game | 60%(6033/9962) | Jan 6, 2026 |
| 2495 | Incomplete chess boards | 60%(1583/2606) | Feb 4, 2026 |
| 2403 | Hay Points | 62%(4464/7161) | Apr 5, 2026 |
| 2460 | Brownie Points I | 62%(920/1467) | Apr 3, 2026 |
| 2405 | Beavergnaw | 64%(4545/7004) | Dec 9, 2025 |
| 2409 | Let it Bead | 64%(5152/7931) | Mar 25, 2026 |
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