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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 | 36%(732/2027) | Oct 14, 2026 |
| 3401 | String reduction | 31%(492/1547) | Oct 14, 2026 |
| 3402 | Add a queen | 27%(295/1062) | Oct 14, 2026 |
| 3403 | "Bloody Mary" | 5%(49/918) | Oct 20, 2026 |
| 3404 | Bridge over a rough river | 41%(1873/4520) | Oct 14, 2026 |
| 3405 | Convex hull | 21%(220/1001) | Oct 19, 2026 |
| 3406 | Last digit | 30%(1034/3383) | Oct 21, 2026 |
| 3407 | Brookebond s'en va en guerre... | 47%(876/1860) | Oct 14, 2026 |
| 3408 | The Domino Principle | 25%(487/1899) | Oct 21, 2026 |
| 3409 | Broken line | 16%(305/1903) | Oct 21, 2026 |
| 3410 | Split convex polygon | 27%(198/715) | Oct 21, 2026 |
| 3411 | Paid Roads | 37%(3678/9838) | Oct 21, 2026 |
| 3412 | Ray | 20%(451/2159) | Oct 21, 2026 |
| 3413 | RPG | 29%(576/1954) | Oct 19, 2026 |
| 3414 | Pots | 40%(16141/40339) | Oct 16, 2026 |
| 3415 | Common Substrings | 33%(5811/17465) | Oct 14, 2026 |
| 3416 | Crossing | 45%(911/2010) | Oct 14, 2026 |
| 3417 | Network | 26%(3867/14660) | Oct 14, 2026 |
| 3418 | Quadratic Functions | 21%(186/882) | Oct 16, 2026 |
| 3419 | Difference Is Beautiful | 28%(957/3346) | Oct 14, 2026 |
| 3420 | Quad Tiling | 44%(2645/5927) | Oct 20, 2026 |
| 3421 | X-factor Chains | 32%(3997/12416) | Oct 15, 2026 |
| 3422 | Kaka's Matrix Travels | 41%(5042/12281) | Oct 14, 2026 |
| 3423 | Automaton optimization | 52%(354/668) | Oct 14, 2026 |
| 3424 | Better security | 18%(358/1887) | Oct 14, 2026 |
| 3425 | Customer support | 46%(1361/2927) | Oct 14, 2026 |
| 3426 | Doors and... more doors | 37%(194/511) | Oct 19, 2026 |
| 3427 | Ecology tax | 52%(2539/4793) | Oct 14, 2026 |
| 3428 | Formatting function | 14%(347/2370) | Oct 21, 2026 |
| 3429 | Geometry with a ruler | 22%(399/1793) | Oct 14, 2026 |
| 3430 | Pizza schedule | 28%(157/545) | Oct 21, 2026 |
| 3431 | Texture Tile | 23%(414/1747) | Oct 19, 2026 |
| 3432 | Count Squares | 44%(1391/3129) | Oct 14, 2026 |
| 3433 | Road Accident | 31%(31/99) | Oct 16, 2026 |
| 3434 | Terrarium | 24%(297/1228) | Oct 14, 2026 |
| 3435 | Sudoku Checker | 44%(875/1981) | Oct 14, 2026 |
| 3436 | ACM Computer Factory | 36%(4959/13516) | Oct 14, 2026 |
| 3437 | Tree Grafting | 44%(1541/3495) | Oct 14, 2026 |
| 3438 | Look and Say | 60%(5980/9867) | Oct 14, 2026 |
| 3439 | Server Relocation | 36%(956/2634) | Oct 14, 2026 |
| 3440 | Coin Toss | 27%(1635/5908) | Oct 14, 2026 |
| 3441 | Vacation Rentals | 25%(243/966) | Oct 14, 2026 |
| 3442 | Baseball | 34%(119/348) | Oct 16, 2026 |
| 3443 | Team Work | 30%(351/1152) | Oct 14, 2026 |
| 3444 | Wavelet Compression | 64%(1557/2403) | Oct 14, 2026 |
| 3445 | Elementary Additions | 54%(1443/2642) | Oct 14, 2026 |
| 3446 | Catch the Bus! | 35%(61/173) | Oct 16, 2026 |
| 3447 | Calendar of Events | 21%(145/667) | Oct 19, 2026 |
| 3448 | Roman Expressions | 47%(272/574) | Oct 14, 2026 |
| 3449 | Geometric Shapes | 39%(1122/2836) | Oct 14, 2026 |
| 3450 | Corporate Identity | 32%(3552/10988) | Oct 14, 2026 |
| 3451 | Money Money Money, Must Be Funny | 34%(183/528) | Oct 16, 2026 |
| 3452 | Railway Transportation | 32%(507/1570) | Oct 19, 2026 |
| 3453 | Soccer Tournament | 19%(169/856) | Oct 14, 2026 |
| 3454 | Hypertheseus | 55%(189/338) | Oct 16, 2026 |
| 3455 | Cheesy Chess | 37%(162/433) | Oct 14, 2026 |
| 3456 | Frobenius | 49%(541/1085) | Oct 14, 2026 |
| 3457 | Mineshaft | 11%(14/119) | Oct 21, 2026 |
| 3458 | Colour Sequence | 59%(856/1436) | Oct 14, 2026 |
| 3459 | Projects | 43%(443/1030) | Oct 14, 2026 |
| 3460 | Booksort | 45%(1560/3455) | Oct 14, 2026 |
| 3461 | Oulipo | 37%(28417/76293) | Oct 20, 2026 |
| 3462 | Lucky Light | 38%(431/1126) | Oct 14, 2026 |
| 3463 | Sightseeing | 35%(4798/13577) | Oct 14, 2026 |
| 3464 | Approximations | 5%(30/507) | Oct 21, 2026 |
| 3465 | Battle | 26%(774/2954) | Oct 14, 2026 |
| 3466 | Distance to the Prey | 14%(36/255) | Oct 14, 2026 |
| 3467 | Cross Counting | 29%(542/1852) | Oct 14, 2026 |
| 3468 | A Simple Problem with Integers | 30%(65839/215496) | Oct 21, 2026 |
| 3469 | Dual Core CPU | 42%(12817/30254) | Oct 14, 2026 |
| 3470 | Walls | 16%(531/3206) | Oct 19, 2026 |
| 3471 | Integral Roots | 14%(352/2468) | Oct 14, 2026 |
| 3472 | Holey Square Tiling | 30%(310/1019) | Oct 14, 2026 |
| 3473 | Stochastic Finite State Automaton | 23%(29/122) | Oct 19, 2026 |
| 3474 | Ellipsoid | 21%(30/138) | Oct 19, 2026 |
| 3475 | Paper-, er, Transcript-Folding Game | 35%(849/2406) | Oct 14, 2026 |
| 3476 | A Game with Colored Balls | 15%(560/3553) | Oct 14, 2026 |
| 3477 | System of Linear Equations | 14%(90/627) | Oct 19, 2026 |
| 3478 | Undergraduate Instruction Evaluation | 23%(57/243) | Oct 16, 2026 |
| 3479 | RoBa Has a Second Art Gallery! | 15%(87/576) | Oct 19, 2026 |
| 3480 | John | 48%(2090/4268) | Oct 14, 2026 |
| 3481 | Double Queue | 42%(10659/25283) | Oct 14, 2026 |
| 3482 | ‘JBC’ | 22%(269/1215) | Oct 14, 2026 |
| 3483 | Loan Scheduling | 54%(488/893) | Oct 14, 2026 |
| 3484 | Showstopper | 30%(1211/4004) | Oct 18, 2026 |
| 3485 | Highway | 37%(760/2037) | Oct 14, 2026 |
| 3486 | Computers | 37%(1107/2914) | Oct 14, 2026 |
| 3487 | The Stable Marriage Problem | 32%(4829/14963) | Oct 17, 2026 |
| 3488 | Arne Saknussemm | 54%(789/1443) | Oct 14, 2026 |
| 3489 | Knapsack I | 30%(349/1145) | Oct 14, 2026 |
| 3490 | Jumping Frogs | 16%(48/293) | Oct 16, 2026 |
| 3491 | Rotated Sky Charts | 8%(40/484) | Oct 16, 2026 |
| 3492 | Knapsack II | 25%(468/1822) | Oct 14, 2026 |
| 3493 | Chessboard Puzzle | 47%(285/603) | Oct 14, 2026 |
| 3494 | Largest Submatrix of All 1’s | 33%(4251/12513) | Oct 21, 2026 |
| 3495 | Bitwise XOR of Arithmetic Progression | 26%(278/1041) | Oct 14, 2026 |
| 3496 | Word Hyphenation | 10%(17/159) | Oct 16, 2026 |
| 3497 | Assemble | 30%(1484/4878) | Oct 14, 2026 |
| 3498 | March of the Penguins | 46%(2841/6096) | Oct 14, 2026 |
| 3499 | Containers | 25%(468/1839) | Oct 14, 2026 |
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