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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%(2271/8346) | Oct 19, 2025 |
| 2801 | Knockdown | 15%(73/461) | Oct 19, 2025 |
| 2802 | Plinko | 43%(266/609) | Oct 19, 2025 |
| 2803 | Defining Moment | 45%(776/1714) | Oct 21, 2025 |
| 2804 | Jetpack Sniper 3000 Fragfest Extreme | 37%(101/268) | Oct 17, 2025 |
| 2805 | Pegs | 35%(321/896) | Oct 21, 2025 |
| 2806 | Janken Tactics | 17%(44/248) | Oct 20, 2025 |
| 2807 | Bingo! | 34%(97/284) | Oct 19, 2025 |
| 2808 | Artificial Strife | 17%(155/907) | Oct 18, 2025 |
| 2809 | It's My Derivative | 32%(348/1070) | Oct 18, 2025 |
| 2810 | Take Your Vitamins | 28%(895/3118) | Oct 18, 2025 |
| 2811 | Packing Dominoes | 17%(52/303) | Oct 21, 2025 |
| 2812 | Extrusion | 56%(964/1712) | Oct 21, 2025 |
| 2813 | Pasting Strings | 30%(135/445) | Aug 10, 2024 |
| 2814 | Mobiles | 13%(64/468) | Oct 17, 2025 |
| 2815 | Context-Free Clock | 35%(431/1222) | Sep 1, 2025 |
| 2816 | Right-Hand Rule | 22%(148/652) | Oct 18, 2025 |
| 2817 | WordStack | 37%(1441/3840) | Oct 21, 2025 |
| 2818 | Making Change | 52%(882/1689) | Oct 29, 2025 |
| 2819 | TN's Kingdom I - Establishment | 17%(341/1988) | Oct 18, 2025 |
| 2820 | TN's Kingdom II - Construction | 13%(115/879) | Oct 19, 2025 |
| 2821 | TN's Kingdom III - Assassination | 21%(156/713) | Oct 18, 2025 |
| 2822 | TN's Kingdom IV - Collapse | 20%(165/788) | Oct 21, 2025 |
| 2823 | Sliding Window | 26%(29436/109532) | Nov 3, 2025 |
| 2824 | Bohemian Rhapsody | 10%(44/408) | Oct 19, 2025 |
| 2825 | Perfect Permutation | 44%(213/480) | Oct 21, 2025 |
| 2826 | An Easy Problem?! | 15%(3358/21526) | Oct 19, 2025 |
| 2827 | Auto-Calculation Machine | 32%(587/1819) | Oct 17, 2025 |
| 2828 | Buy Tickets | 45%(14805/32351) | Oct 19, 2025 |
| 2829 | How Many Free Dimensions? | 24%(41/166) | Oct 20, 2025 |
| 2830 | Max Sequence II | 12%(139/1070) | Oct 18, 2025 |
| 2831 | Can We Build This One? | 35%(826/2298) | Oct 23, 2025 |
| 2832 | How Many Pairs? | 35%(699/1971) | Oct 18, 2025 |
| 2833 | The Average | 29%(5737/19710) | Oct 26, 2025 |
| 2834 | Where Are You? | 25%(198/775) | Oct 20, 2025 |
| 2835 | Sunzi's Problem | 11%(92/785) | Apr 24, 2022 |
| 2836 | Rectangular Covering | 28%(1162/4061) | Oct 20, 2025 |
| 2837 | Silver Matrix | 60%(868/1429) | Oct 19, 2025 |
| 2838 | Graph Connectivity | 26%(956/3642) | Aug 12, 2024 |
| 2839 | Convex Hull and Triangle | 14%(45/318) | Oct 20, 2025 |
| 2840 | Big Clock | 62%(6775/10840) | Oct 21, 2025 |
| 2841 | Navigation Game | 19%(135/695) | Oct 21, 2025 |
| 2842 | N-dimension Matching | 44%(118/265) | Oct 20, 2025 |
| 2843 | Cutting Cake | 26%(226/860) | Sep 11, 2025 |
| 2844 | Sum and Product | 11%(143/1263) | Oct 21, 2025 |
| 2845 | 01000001 | 30%(3526/11392) | Aug 30, 2025 |
| 2846 | The Bank of Kalii | 38%(690/1774) | Oct 20, 2025 |
| 2847 | The Cubic End | 48%(671/1383) | May 8, 2025 |
| 2848 | Kindergarten Graduation | 37%(296/799) | Oct 20, 2025 |
| 2849 | brainf*ck | 37%(665/1777) | Oct 21, 2025 |
| 2850 | Stacking Cylinders | 51%(646/1250) | Oct 20, 2025 |
| 2851 | No Fold'em Hold'em | 26%(39/146) | Oct 17, 2025 |
| 2852 | Model Rocket Height | 46%(103/223) | Oct 20, 2025 |
| 2853 | Sequence Sum Possibilities | 65%(3998/6106) | Oct 21, 2025 |
| 2854 | Educational Journey | 44%(252/562) | Oct 20, 2025 |
| 2855 | Go | 45%(148/327) | Oct 17, 2025 |
| 2856 | Medals | 28%(262/912) | Oct 17, 2025 |
| 2857 | Flipping Colors | 49%(400/803) | Oct 19, 2025 |
| 2858 | Crabbles | 23%(363/1549) | Oct 19, 2025 |
| 2859 | A rectangle | 23%(548/2301) | Oct 19, 2025 |
| 2860 | Block game with the Little Prince | 65%(1342/2050) | Oct 18, 2025 |
| 2861 | Cycle with 6 vertices | 37%(179/475) | Oct 18, 2025 |
| 2862 | Tornado! | 35%(467/1311) | Oct 21, 2025 |
| 2863 | Mission Impossible | 14%(30/202) | Oct 18, 2025 |
| 2864 | Pascal Library | 43%(3779/8625) | Oct 18, 2025 |
| 2865 | ICPC Strikes Again | 20%(113/563) | May 20, 2025 |
| 2866 | Optical Fiber | 42%(160/374) | Oct 20, 2025 |
| 2867 | Where Are My Genes | 43%(614/1404) | Oct 18, 2025 |
| 2868 | Computer DJ | 24%(300/1246) | Oct 21, 2025 |
| 2869 | P-Networks | 44%(131/294) | Oct 18, 2025 |
| 2870 | Light Up | 38%(463/1211) | Nov 8, 2025 |
| 2871 | A Simple Question of Chemistry | 65%(4871/7401) | Oct 20, 2025 |
| 2872 | Spelling Be | 31%(972/3044) | Oct 21, 2025 |
| 2873 | Apply a Cold Compress | 38%(143/374) | Oct 21, 2025 |
| 2874 | A Baron Landscape | 32%(114/354) | Oct 19, 2025 |
| 2875 | In Defence of a Garden | 34%(211/620) | Mar 25, 2022 |
| 2876 | Cantoring Along | 52%(2359/4465) | Nov 7, 2025 |
| 2877 | Chambers Ceramic Conundrum | 42%(106/248) | Oct 19, 2025 |
| 2878 | IOI Photos | 20%(50/247) | Oct 19, 2025 |
| 2879 | Vice City | 16%(48/294) | Oct 23, 2025 |
| 2880 | Fixing Codes | 17%(179/1047) | Aug 14, 2025 |
| 2881 | Wiping Words | 38%(178/466) | Oct 18, 2025 |
| 2882 | Food Cubes | 24%(706/2873) | Oct 21, 2025 |
| 2883 | Points | 32%(319/971) | Oct 21, 2025 |
| 2884 | ACM-Telecom | 12%(24/199) | Dec 28, 2024 |
| 2885 | Prince of Persia | 23%(48/205) | Oct 21, 2025 |
| 2886 | Who Gets the Most Candies? | 30%(6039/19589) | Oct 20, 2025 |
| 2887 | Big String | 22%(2288/9976) | Oct 22, 2025 |
| 2888 | Magic Bracelet | 30%(2476/8192) | Oct 21, 2025 |
| 2889 | Unique Solution | 22%(257/1137) | Oct 21, 2025 |
| 2890 | Matrix Multiplication | 29%(533/1811) | Oct 19, 2025 |
| 2891 | Strange Way to Express Integers | 31%(9065/28335) | Oct 18, 2025 |
| 2892 | Tunnel Warfare | 40%(4747/11623) | May 23, 2025 |
| 2893 | M × N Puzzle | 27%(1666/6165) | Oct 20, 2025 |
| 2894 | Ancient Keyboard | 55%(1762/3194) | Oct 18, 2025 |
| 2895 | Best SMS to Type | 42%(1691/3978) | Oct 21, 2025 |
| 2896 | Changing Phone Numbers | 19%(178/901) | Oct 23, 2025 |
| 2897 | Dramatic Multiplications | 42%(1061/2524) | Oct 20, 2025 |
| 2898 | Entertainment | 18%(508/2808) | Oct 23, 2025 |
| 2899 | Fortune at El Dorado | 24%(319/1298) | Oct 21, 2025 |
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