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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 |
| 2600 | Geometrical dreams | 52%(327/618) | Oct 23, 2025 |
| 2601 | Simple calculations | 49%(3524/7181) | Oct 19, 2025 |
| 2602 | Superlong sums | 29%(7367/24843) | Oct 18, 2025 |
| 2603 | Brave balloonists | 40%(2362/5827) | Oct 19, 2025 |
| 2604 | Preparing an article | 23%(143/613) | Oct 18, 2025 |
| 2605 | Simple game on a grid | 50%(523/1036) | Oct 19, 2025 |
| 2606 | Rabbit hunt | 49%(4298/8607) | Oct 18, 2025 |
| 2607 | Fire Station | 35%(1672/4654) | Oct 18, 2025 |
| 2608 | Soundex | 49%(5100/10401) | Aug 26, 2025 |
| 2609 | Ferry Loading | 27%(573/2053) | May 25, 2025 |
| 2610 | Dog & Gopher | 41%(1818/4379) | Oct 18, 2025 |
| 2611 | Gas Station Numbers | 29%(413/1398) | Oct 23, 2025 |
| 2612 | Mine Sweeper | 38%(3114/8150) | Oct 20, 2025 |
| 2613 | Choose and divide | 31%(1399/4481) | Oct 18, 2025 |
| 2614 | Old Wine Into New Bottles | 28%(551/1905) | Oct 20, 2025 |
| 2615 | Suffidromes | 21%(330/1530) | Oct 21, 2025 |
| 2616 | Origami | 48%(157/325) | Oct 18, 2025 |
| 2617 | Taxes | 9%(42/449) | Oct 19, 2025 |
| 2618 | Cube in Labyrinth | 25%(169/651) | May 26, 2025 |
| 2619 | Delta-wave | 40%(981/2431) | Oct 21, 2025 |
| 2620 | Minimal coverage | 28%(1443/5007) | Sep 2, 2025 |
| 2621 | Parallelepiped | 23%(66/276) | Oct 19, 2025 |
| 2622 | Convex hull | 19%(105/546) | Oct 17, 2025 |
| 2623 | Sequence Median | 27%(5654/20553) | Oct 20, 2025 |
| 2624 | 4th Point | 35%(1923/5489) | Sep 16, 2025 |
| 2625 | Coupons | 55%(308/552) | Sep 4, 2025 |
| 2626 | Chess | 46%(1236/2675) | Oct 18, 2025 |
| 2627 | Gopher and hawks | 38%(819/2140) | Oct 23, 2025 |
| 2628 | Table Legs | 36%(340/928) | Oct 21, 2025 |
| 2629 | Common permutation | 30%(1868/6099) | Oct 17, 2025 |
| 2630 | Security Panel | 34%(327/959) | Oct 23, 2025 |
| 2631 | Roads in the North | 44%(4160/9251) | Oct 20, 2025 |
| 2632 | Crashing Robots | 41%(6392/15479) | Oct 17, 2025 |
| 2633 | Funny Games | 21%(264/1257) | Sep 5, 2025 |
| 2634 | Nullary Computer | 32%(91/279) | Oct 19, 2025 |
| 2635 | The Embarrassed Cryptographer | 25%(4980/19678) | Oct 23, 2025 |
| 2636 | Electrical Outlets | 74%(7603/10202) | Sep 6, 2025 |
| 2637 | WorstWeather Ever | 20%(609/2917) | Oct 21, 2025 |
| 2638 | Kingdom | 26%(163/625) | Oct 21, 2025 |
| 2639 | Necklace Decomposition | 36%(370/1015) | Oct 19, 2025 |
| 2640 | Playground | 38%(1193/3113) | Oct 18, 2025 |
| 2641 | Billiard | 60%(911/1508) | Oct 19, 2025 |
| 2642 | The Brick Stops Here | 30%(450/1467) | Oct 23, 2025 |
| 2643 | Election | 44%(2285/5117) | Oct 20, 2025 |
| 2644 | Maze | 17%(182/1055) | Dec 7, 2024 |
| 2645 | Boastin' Red Socks | 25%(561/2213) | Oct 18, 2025 |
| 2646 | The Trip | 30%(1101/3604) | Sep 1, 2025 |
| 2647 | Doublets | 33%(375/1106) | Oct 18, 2025 |
| 2648 | CDVII | 28%(138/485) | Oct 17, 2025 |
| 2649 | Factovisors | 24%(1205/4936) | Oct 24, 2025 |
| 2650 | Spaghetti | 32%(57/178) | Oct 20, 2025 |
| 2651 | So you want to be a 2n-aire? | 62%(335/533) | Oct 18, 2025 |
| 2652 | Ferry Loading III | 31%(336/1066) | Oct 19, 2025 |
| 2653 | Pick-up sticks | 37%(7107/19160) | Oct 21, 2025 |
| 2654 | Rock-Paper-Scissors Tournament | 29%(1265/4356) | Oct 21, 2025 |
| 2655 | Structural Equivalence | 35%(71/199) | Oct 20, 2025 |
| 2656 | Unhappy Jinjin | 72%(8755/12052) | Oct 23, 2025 |
| 2657 | Comfort | 36%(1062/2893) | Oct 18, 2025 |
| 2658 | Song | 27%(463/1664) | Sep 1, 2025 |
| 2659 | Bomb Game | 41%(673/1633) | May 9, 2025 |
| 2660 | War on Weather | 57%(583/1018) | Oct 18, 2025 |
| 2661 | Factstone Benchmark | 43%(2769/6431) | Oct 19, 2025 |
| 2662 | A Walk Through the Forest | 36%(1048/2897) | May 17, 2025 |
| 2663 | Tri Tiling | 48%(7886/16293) | Oct 18, 2025 |
| 2664 | Prerequisites? | 60%(2703/4475) | Oct 18, 2025 |
| 2665 | Trees | 64%(7204/11234) | Sep 11, 2025 |
| 2666 | Back to Mother Ship | 33%(828/2467) | Oct 18, 2025 |
| 2667 | Barber's problem | 21%(156/729) | Oct 23, 2025 |
| 2668 | Defending Castle | 24%(1273/5191) | Oct 19, 2025 |
| 2669 | Explore the Pirate's Cave | 18%(223/1199) | Oct 26, 2021 |
| 2670 | The Sorcerer's Stone | 16%(311/1914) | Oct 21, 2025 |
| 2671 | Jimmy's Bad Day | 32%(493/1527) | Oct 23, 2025 |
| 2672 | Hotkeys | 20%(304/1463) | Oct 21, 2025 |
| 2673 | Kicc Wants to Move a Mountain! | 26%(1361/5186) | Oct 19, 2025 |
| 2674 | Linear world | 22%(1393/6166) | Oct 21, 2025 |
| 2675 | Songs | 39%(863/2189) | Oct 18, 2025 |
| 2676 | Sudoku | 44%(16743/37616) | Oct 26, 2025 |
| 2677 | Tour | 42%(2216/5213) | Oct 19, 2025 |
| 2678 | Mothy | 20%(213/1058) | Oct 20, 2025 |
| 2679 | Adventurous Driving | 30%(536/1762) | Oct 21, 2025 |
| 2680 | Computer Transformation | 36%(1836/4966) | Oct 20, 2025 |
| 2681 | Anagrammatic Distance | 53%(2490/4622) | Oct 13, 2025 |
| 2682 | Tomato Automata | 23%(69/288) | Oct 18, 2025 |
| 2683 | Ohgas' Fortune | 60%(805/1325) | Oct 24, 2025 |
| 2684 | Polygonal Line Search | 61%(1563/2537) | Oct 17, 2025 |
| 2685 | Numeral System | 73%(1821/2484) | May 12, 2025 |
| 2686 | Traveling by Stagecoach | 40%(2894/7075) | Oct 22, 2025 |
| 2687 | Earth Observation with a Mobile Robot Team | 26%(90/339) | Oct 18, 2025 |
| 2688 | Cleaning Robot | 35%(2368/6649) | Apr 28, 2025 |
| 2689 | Prime Distance | 24%(10349/42600) | Oct 25, 2025 |
| 2690 | Yahtzee | 35%(207/584) | Oct 20, 2025 |
| 2691 | Request for Proposal | 45%(289/640) | Oct 20, 2025 |
| 2692 | Australian Voting | 24%(442/1841) | Oct 21, 2025 |
| 2693 | Chocolate Chip Cookies | 22%(759/3334) | Sep 6, 2025 |
| 2694 | A Simple Poker Game | 46%(751/1601) | Sep 1, 2025 |
| 2695 | Rick the Persistent Gnu | 39%(328/839) | Oct 21, 2025 |
| 2696 | A Mysterious Function | 68%(2882/4180) | Oct 18, 2025 |
| 2697 | A Board Game | 68%(665/970) | Oct 20, 2025 |
| 2698 | Servicing DVD Requests | 31%(663/2138) | Oct 19, 2025 |
| 2699 | The Maximum Number of Strong Kings | 45%(1300/2875) | Oct 21, 2025 |
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