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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 |
| 2787 | UFO Cubes in Roswell | 12%(40/311) | May 4, 2022 |
| 2776 | Cheat at Math | 12%(41/330) | Oct 18, 2025 |
| 2753 | Similarity of necklaces | 11%(49/425) | Oct 18, 2025 |
| 2755 | Dominoes | 15%(54/351) | Nov 24, 2025 |
| 2770 | Tantrix | 44%(57/129) | Oct 20, 2025 |
| 2730 | F1 Circuit Design | 12%(62/482) | Oct 18, 2025 |
| 2779 | Atom Bombs!? God! | 15%(66/436) | Oct 19, 2025 |
| 2747 | Shy Polygons | 22%(86/384) | May 29, 2024 |
| 2717 | Hour Glass | 20%(92/440) | Oct 20, 2025 |
| 2797 | Guards | 27%(98/355) | Oct 19, 2025 |
| 2716 | Open and Close | 16%(101/604) | Nov 24, 2025 |
| 2768 | Pesky Heroes | 29%(107/363) | Nov 24, 2025 |
| 2700 | Space Travel | 17%(118/690) | Sep 2, 2025 |
| 2788 | Black Box | 27%(125/452) | Oct 18, 2025 |
| 2783 | On Storing Clothes | 26%(141/529) | Nov 12, 2025 |
| 2798 | Hardwood Cutting | 30%(144/475) | Nov 17, 2025 |
| 2765 | Declaration of Content | 26%(146/556) | Oct 23, 2025 |
| 2742 | Organize Your Train | 21%(151/710) | Oct 21, 2025 |
| 2764 | Unequalled Consumption | 25%(151/603) | Oct 17, 2025 |
| 2727 | Special Judge | 16%(152/937) | Oct 18, 2025 |
| 2731 | ACM(ACronymMaker) | 12%(155/1219) | Nov 12, 2025 |
| 2757 | Beautiful Numbers | 17%(156/867) | Sep 18, 2024 |
| 2701 | Lapux the Floating Island | 29%(159/538) | Nov 24, 2025 |
| 2746 | Bingo | 25%(194/773) | Nov 24, 2025 |
| 2789 | Pixel Shuffle | 41%(210/507) | Oct 18, 2025 |
| 2702 | Can a Complicated Program Go Wrong? | 26%(210/793) | Nov 24, 2025 |
| 2708 | Time to Graduate | 40%(232/574) | Nov 24, 2025 |
| 2792 | Brackets Removal | 35%(243/678) | Oct 18, 2025 |
| 2736 | Square Count | 28%(251/894) | Nov 24, 2025 |
| 2791 | Area 51 | 21%(256/1207) | Nov 24, 2025 |
| 2743 | Mobile Computing | 30%(258/841) | Nov 17, 2025 |
| 2745 | Network Mess | 38%(265/694) | Oct 21, 2025 |
| 2733 | The Game of Efil | 34%(278/810) | Nov 20, 2025 |
| 2759 | Distributing tasks | 22%(313/1395) | May 5, 2025 |
| 2754 | Similarity of necklaces 2 | 28%(316/1098) | Oct 19, 2025 |
| 2725 | Finding Treasure | 19%(323/1665) | Nov 12, 2025 |
| 2760 | End of Windless Days | 16%(326/1919) | Nov 24, 2025 |
| 2729 | Robocode | 18%(343/1815) | Oct 21, 2025 |
| 2713 | Tire Dimensions | 37%(367/986) | Nov 24, 2025 |
| 2767 | Bowlstack | 37%(368/974) | Oct 23, 2025 |
| 2735 | Reliable Nets | 36%(382/1045) | Nov 24, 2025 |
| 2740 | Book Replacement | 44%(401/903) | Jul 22, 2024 |
| 2794 | Double Patience | 49%(405/818) | Nov 24, 2025 |
| 2790 | Consecutive ones | 61%(414/676) | Oct 18, 2025 |
| 2741 | Colored Cubes | 50%(426/846) | Sep 2, 2025 |
| 2721 | Suit Distribution | 59%(427/712) | Nov 24, 2025 |
| 2793 | Cactus | 26%(453/1683) | Nov 24, 2025 |
| 2732 | Countdown | 31%(465/1492) | Nov 24, 2025 |
| 2714 | Random Walk | 19%(478/2434) | Nov 24, 2025 |
| 2703 | Maximum Area Covered by Rectangles | 41%(498/1213) | Sep 1, 2025 |
| 2737 | Swamp Things | 32%(535/1630) | Nov 24, 2025 |
| 2712 | Netiquette | 31%(537/1706) | Nov 24, 2025 |
| 2720 | Last Digits | 21%(610/2829) | Nov 24, 2025 |
| 2706 | Connect | 33%(612/1826) | Oct 19, 2025 |
| 2715 | Paint Mix | 33%(618/1841) | Nov 24, 2025 |
| 2744 | Atomic Car Race | 43%(634/1454) | Nov 24, 2025 |
| 2705 | Overflowing Bookshelf | 50%(639/1254) | Nov 17, 2025 |
| 2786 | Keep the Customer Satisfied | 36%(657/1822) | Nov 20, 2025 |
| 2711 | Leapin' Lizards | 38%(766/1970) | Oct 18, 2025 |
| 2775 | The Number of the Same BST | 29%(857/2884) | Nov 20, 2025 |
| 2784 | Buy or Build | 33%(870/2608) | Nov 24, 2025 |
| 2772 | Up the Stairs | 44%(878/1981) | Oct 20, 2025 |
| 2781 | The mysterious X network | 41%(895/2137) | Nov 24, 2025 |
| 2799 | IP Networks | 37%(975/2576) | Nov 20, 2025 |
| 2766 | Laserbox | 54%(999/1846) | Nov 24, 2025 |
| 2722 | Angle and Squares | 40%(1008/2504) | Oct 20, 2025 |
| 2734 | Queens, Knights and Pawns | 49%(1037/2106) | Nov 24, 2025 |
| 2751 | Saving Endeavour | 50%(1138/2271) | Nov 20, 2025 |
| 2795 | Exploring Pyramids | 44%(1154/2577) | Oct 19, 2025 |
| 2758 | Checking the Text | 23%(1163/4952) | Oct 21, 2025 |
| 2710 | Consecutive Digits | 59%(1180/1983) | Nov 20, 2025 |
| 2738 | Two Ends | 46%(1362/2940) | Nov 24, 2025 |
| 2748 | Logs Stacking | 29%(1407/4707) | Oct 19, 2025 |
| 2780 | Linearity | 23%(2019/8757) | Nov 24, 2025 |
| 2756 | Autumn is a Genius | 22%(2067/9270) | Nov 24, 2025 |
| 2724 | Purifying Machine | 28%(2113/7353) | Nov 24, 2025 |
| 2750 | Potted Flower | 39%(2457/6161) | Nov 24, 2025 |
| 2704 | Pascal's Travels | 44%(2677/6023) | Nov 20, 2025 |
| 2771 | Guardian of Decency | 40%(2977/7403) | Nov 24, 2025 |
| 2749 | Building roads | 33%(3107/9293) | Oct 20, 2025 |
| 2782 | Bin Packing | 45%(3145/6963) | Nov 24, 2025 |
| 2709 | Painter | 54%(3471/6335) | Nov 21, 2025 |
| 2726 | Holiday Hotel | 39%(4003/10235) | Nov 20, 2025 |
| 2723 | Get Luffy Out | 38%(4144/10642) | Nov 24, 2025 |
| 2707 | Copier Reduction | 53%(4631/8713) | Nov 20, 2025 |
| 2769 | Reduced ID Numbers | 38%(4754/12217) | Nov 24, 2025 |
| 2763 | Housewife Wind | 26%(5598/21161) | Nov 24, 2025 |
| 2762 | Going from u to v or from v to u? | 26%(6070/23241) | Nov 24, 2025 |
| 2719 | Faulty Odometer | 61%(6111/9998) | Nov 20, 2025 |
| 2773 | Happy 2006 | 35%(6656/19015) | Nov 24, 2025 |
| 2718 | Smallest Difference | 27%(7356/27160) | Nov 24, 2025 |
| 2761 | Feed the dogs | 31%(7952/24943) | Nov 24, 2025 |
| 2796 | Feel Good | 26%(8020/30333) | Nov 24, 2025 |
| 2778 | DNA Sequence | 36%(9344/25473) | Nov 24, 2025 |
| 2728 | Desert King | 25%(10776/41550) | Nov 24, 2025 |
| 2785 | 4 Values whose Sum is 0 | 31%(15451/49756) | Nov 24, 2025 |
| 2774 | Long Long Message | 38%(17097/43925) | Nov 20, 2025 |
| 2752 | Seek the Name, Seek the Fame | 51%(18357/35955) | Nov 20, 2025 |
| 2777 | Count Color | 29%(19991/67992) | Nov 24, 2025 |
| 2739 | Sum of Consecutive Prime Numbers | 51%(20540/39549) | Nov 22, 2025 |
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