| ID | Title | Ratio(AC/submit) |
Date |
| 2617 | Taxes | 9%(42/450) | Dec 9, 2025 |
| 2670 | The Sorcerer's Stone | 16%(311/1915) | Dec 9, 2025 |
| 2644 | Maze | 17%(182/1058) | Jan 8, 2026 |
| 2669 | Explore the Pirate's Cave | 18%(223/1200) | Dec 1, 2025 |
| 2622 | Convex hull | 19%(105/548) | Jan 8, 2026 |
| 2678 | Mothy | 20%(214/1065) | Mar 6, 2026 |
| 2672 | Hotkeys | 20%(304/1468) | Mar 6, 2026 |
| 2637 | WorstWeather Ever | 20%(610/2919) | Dec 9, 2025 |
| 2633 | Funny Games | 21%(266/1261) | Dec 9, 2025 |
| 2667 | Barber's problem | 21%(156/730) | Dec 1, 2025 |
| 2615 | Suffidromes | 21%(330/1533) | Jan 8, 2026 |
| 2674 | Linear world | 22%(1399/6175) | Apr 3, 2026 |
| 2693 | Chocolate Chip Cookies | 22%(767/3349) | Apr 3, 2026 |
| 2604 | Preparing an article | 23%(143/621) | Apr 3, 2026 |
| 2682 | Tomato Automata | 23%(69/290) | Dec 9, 2025 |
| 2621 | Parallelepiped | 23%(69/290) | Apr 3, 2026 |
| 2692 | Australian Voting | 24%(448/1849) | Apr 3, 2026 |
| 2689 | Prime Distance | 24%(10381/42675) | Apr 12, 2026 |
| 2668 | Defending Castle | 24%(1274/5193) | Mar 23, 2026 |
| 2649 | Factovisors | 24%(1217/4952) | Apr 14, 2026 |
| 2635 | The Embarrassed Cryptographer | 25%(4988/19732) | Apr 10, 2026 |
| 2645 | Boastin' Red Socks | 25%(569/2229) | Apr 3, 2026 |
| 2618 | Cube in Labyrinth | 25%(169/658) | Mar 6, 2026 |
| 2638 | Kingdom | 26%(163/626) | Dec 9, 2025 |
| 2673 | Kicc Wants to Move a Mountain! | 26%(1366/5198) | Apr 3, 2026 |
| 2687 | Earth Observation with a Mobile Robot Team | 26%(90/340) | Dec 9, 2025 |
| 2623 | Sequence Median | 27%(5663/20565) | Apr 3, 2026 |
| 2609 | Ferry Loading | 27%(574/2059) | Jan 8, 2026 |
| 2648 | CDVII | 28%(139/495) | Apr 3, 2026 |
| 2658 | Song | 28%(470/1673) | Apr 3, 2026 |
| 2620 | Minimal coverage | 28%(1445/5011) | Feb 25, 2026 |
| 2614 | Old Wine Into New Bottles | 29%(557/1918) | Apr 3, 2026 |
| 2654 | Rock-Paper-Scissors Tournament | 29%(1274/4375) | Apr 3, 2026 |
| 2611 | Gas Station Numbers | 29%(413/1402) | Mar 6, 2026 |
| 2602 | Superlong sums | 29%(7376/24857) | Apr 3, 2026 |
| 2679 | Adventurous Driving | 30%(536/1768) | Mar 6, 2026 |
| 2629 | Common permutation | 30%(1875/6111) | Apr 3, 2026 |
| 2646 | The Trip | 30%(1109/3614) | Apr 3, 2026 |
| 2642 | The Brick Stops Here | 30%(456/1480) | Apr 3, 2026 |
| 2613 | Choose and divide | 31%(1400/4492) | Apr 3, 2026 |
| 2698 | Servicing DVD Requests | 31%(672/2153) | Apr 3, 2026 |
| 2652 | Ferry Loading III | 31%(342/1076) | Apr 3, 2026 |
| 2650 | Spaghetti | 31%(57/179) | Dec 1, 2025 |
| 2671 | Jimmy's Bad Day | 32%(493/1532) | Mar 22, 2026 |
| 2634 | Nullary Computer | 32%(91/280) | Dec 1, 2025 |
| 2666 | Back to Mother Ship | 33%(829/2468) | Nov 24, 2025 |
| 2647 | Doublets | 33%(376/1107) | Nov 20, 2025 |
| 2630 | Security Panel | 34%(327/961) | Dec 1, 2025 |
| 2655 | Structural Equivalence | 35%(71/202) | Mar 4, 2026 |
| 2624 | 4th Point | 35%(1937/5504) | Apr 3, 2026 |
| 2690 | Yahtzee | 35%(208/587) | Mar 15, 2026 |
| 2688 | Cleaning Robot | 35%(2371/6658) | Mar 20, 2026 |
| 2607 | Fire Station | 35%(1677/4666) | Apr 3, 2026 |
| 2662 | A Walk Through the Forest | 36%(1055/2911) | Apr 3, 2026 |
| 2628 | Table Legs | 36%(342/937) | Apr 5, 2026 |
| 2639 | Necklace Decomposition | 36%(371/1016) | Nov 20, 2025 |
| 2680 | Computer Transformation | 36%(1836/4973) | Mar 6, 2026 |
| 2657 | Comfort | 36%(1076/2913) | Apr 3, 2026 |
| 2653 | Pick-up sticks | 37%(7120/19195) | Mar 22, 2026 |
| 2619 | Delta-wave | 37%(1008/2699) | Apr 14, 2026 |
| 2612 | Mine Sweeper | 38%(3122/8164) | Apr 3, 2026 |
| 2640 | Playground | 38%(1193/3116) | Dec 9, 2025 |
| 2627 | Gopher and hawks | 38%(826/2153) | Apr 3, 2026 |
| 2695 | Rick the Persistent Gnu | 39%(329/840) | Nov 24, 2025 |
| 2675 | Songs | 39%(871/2207) | Apr 3, 2026 |
| 2603 | Brave balloonists | 40%(2370/5839) | Apr 3, 2026 |
| 2686 | Traveling by Stagecoach | 40%(2902/7092) | Apr 2, 2026 |
| 2632 | Crashing Robots | 41%(6395/15487) | Feb 27, 2026 |
| 2659 | Bomb Game | 41%(681/1647) | Apr 3, 2026 |
| 2610 | Dog & Gopher | 41%(1829/4391) | Apr 3, 2026 |
| 2677 | Tour | 42%(2222/5224) | Apr 3, 2026 |
| 2661 | Factstone Benchmark | 43%(2781/6444) | Apr 3, 2026 |
| 2676 | Sudoku | 44%(16770/37696) | Mar 30, 2026 |
| 2643 | Election | 44%(2293/5151) | Apr 3, 2026 |
| 2631 | Roads in the North | 44%(4180/9307) | Apr 14, 2026 |
| 2699 | The Maximum Number of Strong Kings | 45%(1302/2890) | Jan 7, 2026 |
| 2691 | Request for Proposal | 45%(295/652) | Apr 3, 2026 |
| 2626 | Chess | 46%(1245/2686) | Apr 3, 2026 |
| 2694 | A Simple Poker Game | 46%(754/1610) | Apr 3, 2026 |
| 2616 | Origami | 48%(157/327) | Dec 9, 2025 |
| 2663 | Tri Tiling | 48%(7915/16332) | Apr 9, 2026 |
| 2608 | Soundex | 49%(5109/10414) | Apr 3, 2026 |
| 2601 | Simple calculations | 49%(3527/7184) | Jan 8, 2026 |
| 2606 | Rabbit hunt | 49%(4304/8620) | Apr 3, 2026 |
| 2605 | Simple game on a grid | 50%(523/1039) | Mar 4, 2026 |
| 2600 | Geometrical dreams | 52%(327/620) | Dec 9, 2025 |
| 2681 | Anagrammatic Distance | 53%(2491/4628) | Dec 9, 2025 |
| 2625 | Coupons | 55%(309/556) | Dec 9, 2025 |
| 2660 | War on Weather | 57%(590/1030) | Apr 3, 2026 |
| 2664 | Prerequisites? | 60%(2710/4487) | Apr 3, 2026 |
| 2641 | Billiard | 60%(920/1522) | Apr 3, 2026 |
| 2683 | Ohgas' Fortune | 60%(816/1340) | Apr 3, 2026 |
| 2684 | Polygonal Line Search | 61%(1565/2539) | Nov 24, 2025 |
| 2651 | So you want to be a 2n-aire? | 63%(348/547) | Apr 3, 2026 |
| 2665 | Trees | 64%(7216/11250) | Apr 3, 2026 |
| 2697 | A Board Game | 68%(665/972) | Dec 9, 2025 |
| 2696 | A Mysterious Function | 68%(2883/4183) | Dec 9, 2025 |
| 2656 | Unhappy Jinjin | 72%(8769/12066) | Apr 3, 2026 |
| 2685 | Numeral System | 73%(1831/2499) | Apr 3, 2026 |
| 2636 | Electrical Outlets | 74%(7606/10205) | Nov 26, 2025 |
