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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 |
| 2800 | Joseph's Problem | 27%(2267/8332) | May 17, 2025 |
| 2801 | Knockdown | 15%(71/458) | May 17, 2025 |
| 2802 | Plinko | 43%(266/608) | May 18, 2025 |
| 2803 | Defining Moment | 45%(774/1711) | Jul 27, 2025 |
| 2804 | Jetpack Sniper 3000 Fragfest Extreme | 37%(99/265) | Mar 30, 2025 |
| 2805 | Pegs | 35%(320/894) | Apr 10, 2024 |
| 2806 | Janken Tactics | 17%(44/247) | May 18, 2025 |
| 2807 | Bingo! | 33%(96/283) | Nov 14, 2024 |
| 2808 | Artificial Strife | 17%(154/905) | Jun 11, 2025 |
| 2809 | It's My Derivative | 32%(348/1069) | May 27, 2025 |
| 2810 | Take Your Vitamins | 28%(894/3116) | Jul 28, 2025 |
| 2811 | Packing Dominoes | 17%(52/302) | May 22, 2025 |
| 2812 | Extrusion | 56%(963/1711) | Aug 18, 2024 |
| 2813 | Pasting Strings | 30%(135/445) | Aug 10, 2024 |
| 2814 | Mobiles | 13%(64/467) | May 22, 2025 |
| 2815 | Context-Free Clock | 35%(429/1218) | May 27, 2025 |
| 2816 | Right-Hand Rule | 22%(145/648) | May 6, 2025 |
| 2817 | WordStack | 37%(1438/3837) | Apr 27, 2025 |
| 2818 | Making Change | 52%(876/1681) | May 18, 2025 |
| 2819 | TN's Kingdom I - Establishment | 17%(339/1979) | Dec 15, 2024 |
| 2820 | TN's Kingdom II - Construction | 13%(115/878) | Jun 6, 2024 |
| 2821 | TN's Kingdom III - Assassination | 21%(156/712) | Aug 12, 2025 |
| 2822 | TN's Kingdom IV - Collapse | 20%(164/785) | May 7, 2025 |
| 2823 | Sliding Window | 26%(29412/109358) | Aug 12, 2025 |
| 2824 | Bohemian Rhapsody | 10%(44/407) | Sep 13, 2024 |
| 2825 | Perfect Permutation | 44%(213/477) | May 27, 2025 |
| 2826 | An Easy Problem?! | 15%(3354/21512) | Aug 11, 2025 |
| 2827 | Auto-Calculation Machine | 32%(585/1816) | May 27, 2025 |
| 2828 | Buy Tickets | 45%(14802/32336) | Aug 14, 2025 |
| 2829 | How Many Free Dimensions? | 24%(41/165) | May 6, 2025 |
| 2830 | Max Sequence II | 13%(139/1069) | May 6, 2025 |
| 2831 | Can We Build This One? | 35%(825/2295) | Aug 24, 2025 |
| 2832 | How Many Pairs? | 35%(697/1962) | May 27, 2025 |
| 2833 | The Average | 29%(5724/19631) | Aug 9, 2025 |
| 2834 | Where Are You? | 25%(198/774) | Jul 21, 2024 |
| 2835 | Sunzi's Problem | 11%(92/785) | Apr 24, 2022 |
| 2836 | Rectangular Covering | 28%(1162/4060) | May 20, 2025 |
| 2837 | Silver Matrix | 60%(866/1426) | May 27, 2025 |
| 2838 | Graph Connectivity | 26%(956/3642) | Aug 12, 2024 |
| 2839 | Convex Hull and Triangle | 13%(44/316) | Aug 14, 2025 |
| 2840 | Big Clock | 62%(6772/10837) | May 12, 2025 |
| 2841 | Navigation Game | 19%(134/693) | Apr 28, 2024 |
| 2842 | N-dimension Matching | 44%(117/264) | May 27, 2025 |
| 2843 | Cutting Cake | 26%(225/858) | Dec 31, 2024 |
| 2844 | Sum and Product | 11%(143/1259) | Oct 16, 2022 |
| 2845 | 01000001 | 30%(3525/11391) | Oct 24, 2024 |
| 2846 | The Bank of Kalii | 38%(690/1773) | Sep 24, 2024 |
| 2847 | The Cubic End | 48%(671/1383) | May 8, 2025 |
| 2848 | Kindergarten Graduation | 37%(296/798) | Mar 22, 2024 |
| 2849 | brainf*ck | 37%(663/1775) | Mar 19, 2024 |
| 2850 | Stacking Cylinders | 51%(645/1249) | Mar 21, 2024 |
| 2851 | No Fold'em Hold'em | 26%(39/145) | Nov 24, 2024 |
| 2852 | Model Rocket Height | 46%(103/222) | Aug 14, 2024 |
| 2853 | Sequence Sum Possibilities | 65%(3995/6103) | May 22, 2025 |
| 2854 | Educational Journey | 45%(252/559) | Sep 25, 2019 |
| 2855 | Go | 45%(146/324) | Aug 7, 2024 |
| 2856 | Medals | 28%(261/911) | Nov 4, 2024 |
| 2857 | Flipping Colors | 49%(375/754) | May 7, 2025 |
| 2858 | Crabbles | 23%(361/1546) | Jun 23, 2025 |
| 2859 | A rectangle | 23%(548/2300) | Nov 26, 2024 |
| 2860 | Block game with the Little Prince | 65%(1341/2049) | May 12, 2025 |
| 2861 | Cycle with 6 vertices | 37%(179/474) | Nov 21, 2021 |
| 2862 | Tornado! | 35%(467/1304) | Mar 21, 2022 |
| 2863 | Mission Impossible | 14%(30/201) | Mar 26, 2022 |
| 2864 | Pascal Library | 43%(3772/8613) | May 20, 2025 |
| 2865 | ICPC Strikes Again | 20%(113/563) | May 20, 2025 |
| 2866 | Optical Fiber | 42%(160/373) | Feb 8, 2023 |
| 2867 | Where Are My Genes | 43%(612/1402) | Jul 21, 2024 |
| 2868 | Computer DJ | 23%(297/1243) | Mar 6, 2025 |
| 2869 | P-Networks | 44%(130/293) | Jun 25, 2024 |
| 2870 | Light Up | 38%(462/1208) | May 20, 2025 |
| 2871 | A Simple Question of Chemistry | 65%(4868/7398) | May 4, 2025 |
| 2872 | Spelling Be | 31%(972/3039) | May 22, 2025 |
| 2873 | Apply a Cold Compress | 38%(143/373) | Aug 10, 2024 |
| 2874 | A Baron Landscape | 32%(114/353) | Jun 8, 2023 |
| 2875 | In Defence of a Garden | 34%(211/620) | Mar 25, 2022 |
| 2876 | Cantoring Along | 52%(2354/4456) | May 22, 2025 |
| 2877 | Chambers Ceramic Conundrum | 42%(106/247) | Sep 23, 2024 |
| 2878 | IOI Photos | 19%(49/246) | Oct 30, 2024 |
| 2879 | Vice City | 16%(48/290) | Aug 12, 2024 |
| 2880 | Fixing Codes | 17%(179/1047) | Aug 14, 2025 |
| 2881 | Wiping Words | 38%(178/465) | May 28, 2022 |
| 2882 | Food Cubes | 24%(706/2868) | May 28, 2022 |
| 2883 | Points | 32%(317/969) | May 22, 2025 |
| 2884 | ACM-Telecom | 12%(24/199) | Dec 28, 2024 |
| 2885 | Prince of Persia | 23%(48/204) | Jan 20, 2025 |
| 2886 | Who Gets the Most Candies? | 30%(6037/19585) | Aug 18, 2025 |
| 2887 | Big String | 22%(2286/9943) | Aug 18, 2025 |
| 2888 | Magic Bracelet | 30%(2476/8191) | May 22, 2025 |
| 2889 | Unique Solution | 22%(257/1136) | Nov 3, 2024 |
| 2890 | Matrix Multiplication | 29%(531/1808) | May 23, 2025 |
| 2891 | Strange Way to Express Integers | 31%(9063/28322) | Aug 12, 2025 |
| 2892 | Tunnel Warfare | 40%(4747/11623) | May 23, 2025 |
| 2893 | M × N Puzzle | 26%(1660/6149) | May 23, 2025 |
| 2894 | Ancient Keyboard | 55%(1760/3192) | Sep 27, 2024 |
| 2895 | Best SMS to Type | 42%(1690/3977) | Sep 19, 2024 |
| 2896 | Changing Phone Numbers | 19%(178/896) | Jul 13, 2024 |
| 2897 | Dramatic Multiplications | 42%(1060/2521) | Nov 24, 2024 |
| 2898 | Entertainment | 18%(506/2801) | Jul 14, 2024 |
| 2899 | Fortune at El Dorado | 24%(318/1297) | Oct 15, 2023 |
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