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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 |
| 3400 | Dropping the stones | 35%(714/1999) | May 27, 2025 |
| 3401 | String reduction | 32%(488/1518) | Sep 26, 2024 |
| 3402 | Add a queen | 27%(288/1042) | May 27, 2025 |
| 3403 | "Bloody Mary" | 4%(36/868) | Sep 14, 2024 |
| 3404 | Bridge over a rough river | 41%(1852/4498) | Aug 11, 2024 |
| 3405 | Convex hull | 21%(216/988) | Sep 11, 2022 |
| 3406 | Last digit | 30%(1019/3352) | Dec 12, 2024 |
| 3407 | Brookebond s'en va en guerre... | 47%(872/1851) | May 15, 2023 |
| 3408 | The Domino Principle | 25%(487/1880) | May 27, 2025 |
| 3409 | Broken line | 16%(303/1867) | Nov 29, 2024 |
| 3410 | Split convex polygon | 28%(198/694) | Aug 1, 2025 |
| 3411 | Paid Roads | 37%(3675/9716) | Jul 23, 2025 |
| 3412 | Ray | 20%(440/2142) | Jul 30, 2024 |
| 3413 | RPG | 29%(571/1947) | Jul 15, 2024 |
| 3414 | Pots | 40%(16066/40164) | Aug 12, 2025 |
| 3415 | Common Substrings | 33%(5784/17412) | Jul 23, 2025 |
| 3416 | Crossing | 45%(907/2004) | Nov 6, 2024 |
| 3417 | Network | 26%(3700/14122) | Aug 24, 2025 |
| 3418 | Quadratic Functions | 21%(182/859) | Jan 17, 2025 |
| 3419 | Difference Is Beautiful | 28%(951/3331) | Aug 3, 2025 |
| 3420 | Quad Tiling | 44%(2629/5910) | May 10, 2025 |
| 3421 | X-factor Chains | 32%(3954/12348) | Aug 14, 2025 |
| 3422 | Kaka's Matrix Travels | 41%(5025/12244) | Jun 4, 2025 |
| 3423 | Automaton optimization | 53%(350/660) | Oct 30, 2024 |
| 3424 | Better security | 18%(354/1866) | May 11, 2025 |
| 3425 | Customer support | 46%(1353/2912) | Aug 11, 2024 |
| 3426 | Doors and... more doors | 38%(190/496) | Jul 23, 2022 |
| 3427 | Ecology tax | 52%(2533/4785) | Sep 17, 2024 |
| 3428 | Formatting function | 14%(340/2359) | Sep 19, 2024 |
| 3429 | Geometry with a ruler | 22%(393/1783) | May 5, 2025 |
| 3430 | Pizza schedule | 31%(155/490) | Dec 8, 2024 |
| 3431 | Texture Tile | 23%(410/1742) | Dec 5, 2024 |
| 3432 | Count Squares | 44%(1385/3121) | Jul 30, 2024 |
| 3433 | Road Accident | 31%(29/93) | May 25, 2025 |
| 3434 | Terrarium | 23%(292/1219) | Dec 19, 2024 |
| 3435 | Sudoku Checker | 44%(870/1973) | Aug 2, 2023 |
| 3436 | ACM Computer Factory | 36%(4941/13468) | Aug 21, 2025 |
| 3437 | Tree Grafting | 43%(1507/3427) | Jun 2, 2025 |
| 3438 | Look and Say | 60%(5972/9852) | Aug 17, 2025 |
| 3439 | Server Relocation | 36%(949/2616) | Jun 25, 2021 |
| 3440 | Coin Toss | 27%(1630/5896) | Feb 10, 2025 |
| 3441 | Vacation Rentals | 25%(238/950) | Nov 17, 2024 |
| 3442 | Baseball | 34%(117/344) | Feb 21, 2020 |
| 3443 | Team Work | 30%(349/1143) | Sep 25, 2019 |
| 3444 | Wavelet Compression | 64%(1539/2383) | Feb 6, 2025 |
| 3445 | Elementary Additions | 54%(1431/2626) | May 31, 2025 |
| 3446 | Catch the Bus! | 35%(59/166) | Mar 18, 2025 |
| 3447 | Calendar of Events | 21%(142/658) | May 31, 2025 |
| 3448 | Roman Expressions | 46%(265/565) | May 31, 2025 |
| 3449 | Geometric Shapes | 39%(1112/2814) | May 31, 2025 |
| 3450 | Corporate Identity | 32%(3541/10968) | May 31, 2025 |
| 3451 | Money Money Money, Must Be Funny | 34%(181/522) | Feb 2, 2025 |
| 3452 | Railway Transportation | 32%(502/1561) | May 31, 2025 |
| 3453 | Soccer Tournament | 19%(167/848) | May 31, 2025 |
| 3454 | Hypertheseus | 56%(184/328) | May 31, 2025 |
| 3455 | Cheesy Chess | 37%(159/428) | May 31, 2025 |
| 3456 | Frobenius | 49%(533/1076) | May 31, 2025 |
| 3457 | Mineshaft | 10%(12/112) | Feb 2, 2025 |
| 3458 | Colour Sequence | 59%(844/1419) | May 31, 2025 |
| 3459 | Projects | 42%(438/1019) | Jun 18, 2025 |
| 3460 | Booksort | 45%(1543/3419) | Aug 13, 2025 |
| 3461 | Oulipo | 37%(28263/75915) | Aug 21, 2025 |
| 3462 | Lucky Light | 38%(426/1121) | May 29, 2025 |
| 3463 | Sightseeing | 35%(4669/13227) | Jun 24, 2025 |
| 3464 | Approximations | 5%(25/487) | Sep 14, 2024 |
| 3465 | Battle | 26%(770/2927) | Jan 24, 2023 |
| 3466 | Distance to the Prey | 13%(35/251) | Mar 29, 2022 |
| 3467 | Cross Counting | 29%(538/1843) | May 31, 2025 |
| 3468 | A Simple Problem with Integers | 30%(65580/214839) | Aug 24, 2025 |
| 3469 | Dual Core CPU | 42%(12703/30048) | Aug 3, 2025 |
| 3470 | Walls | 16%(524/3194) | May 31, 2025 |
| 3471 | Integral Roots | 14%(346/2448) | May 31, 2025 |
| 3472 | Holey Square Tiling | 30%(306/1012) | May 31, 2025 |
| 3473 | Stochastic Finite State Automaton | 22%(26/115) | Dec 30, 2019 |
| 3474 | Ellipsoid | 20%(25/124) | May 31, 2025 |
| 3475 | Paper-, er, Transcript-Folding Game | 34%(831/2384) | Jul 28, 2024 |
| 3476 | A Game with Colored Balls | 15%(556/3543) | Jul 23, 2025 |
| 3477 | System of Linear Equations | 13%(85/615) | Oct 11, 2024 |
| 3478 | Undergraduate Instruction Evaluation | 23%(54/226) | May 31, 2025 |
| 3479 | RoBa Has a Second Art Gallery! | 14%(84/569) | May 31, 2025 |
| 3480 | John | 49%(2023/4084) | May 31, 2025 |
| 3481 | Double Queue | 42%(10592/25090) | Aug 24, 2025 |
| 3482 | ‘JBC’ | 22%(264/1200) | May 31, 2025 |
| 3483 | Loan Scheduling | 54%(483/887) | May 31, 2025 |
| 3484 | Showstopper | 30%(1203/3987) | May 31, 2025 |
| 3485 | Highway | 37%(747/2011) | May 31, 2025 |
| 3486 | Computers | 37%(1087/2872) | Aug 2, 2025 |
| 3487 | The Stable Marriage Problem | 31%(4271/13717) | Jun 18, 2025 |
| 3488 | Arne Saknussemm | 54%(776/1423) | Nov 18, 2024 |
| 3489 | Knapsack I | 29%(338/1129) | Jun 27, 2025 |
| 3490 | Jumping Frogs | 16%(46/282) | May 31, 2025 |
| 3491 | Rotated Sky Charts | 7%(35/474) | Sep 11, 2024 |
| 3492 | Knapsack II | 25%(459/1807) | May 31, 2025 |
| 3493 | Chessboard Puzzle | 47%(280/589) | May 31, 2025 |
| 3494 | Largest Submatrix of All 1’s | 33%(4215/12409) | Jun 22, 2025 |
| 3495 | Bitwise XOR of Arithmetic Progression | 26%(275/1031) | May 31, 2025 |
| 3496 | Word Hyphenation | 9%(13/143) | Jun 10, 2019 |
| 3497 | Assemble | 30%(1472/4859) | Aug 15, 2025 |
| 3498 | March of the Penguins | 46%(2754/5966) | Jul 30, 2025 |
| 3499 | Containers | 25%(464/1831) | Feb 2, 2025 |
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