| ID | Title | Ratio(AC/submit) |
Date |
| 2800 | Joseph's Problem | 27%(2288/8366) | Sep 10, 2026 |
| 2801 | Knockdown | 15%(74/471) | May 6, 2026 |
| 2802 | Plinko | 43%(267/613) | Sep 5, 2026 |
| 2803 | Defining Moment | 45%(781/1720) | Sep 22, 2026 |
| 2804 | Jetpack Sniper 3000 Fragfest Extreme | 37%(101/269) | Dec 9, 2025 |
| 2805 | Pegs | 36%(331/909) | Sep 10, 2026 |
| 2806 | Janken Tactics | 17%(44/251) | Mar 6, 2026 |
| 2807 | Bingo! | 36%(107/296) | Sep 10, 2026 |
| 2808 | Artificial Strife | 17%(159/931) | Sep 14, 2026 |
| 2809 | It's My Derivative | 32%(350/1074) | Aug 28, 2026 |
| 2810 | Take Your Vitamins | 28%(900/3123) | Oct 8, 2026 |
| 2811 | Packing Dominoes | 17%(53/307) | Mar 16, 2026 |
| 2812 | Extrusion | 56%(969/1717) | Sep 10, 2026 |
| 2813 | Pasting Strings | 30%(136/451) | Jan 8, 2026 |
| 2814 | Mobiles | 14%(67/473) | Sep 10, 2026 |
| 2815 | Context-Free Clock | 35%(444/1237) | Aug 15, 2026 |
| 2816 | Right-Hand Rule | 22%(149/656) | Mar 6, 2026 |
| 2817 | WordStack | 37%(1453/3861) | Sep 10, 2026 |
| 2818 | Making Change | 52%(899/1706) | Oct 10, 2026 |
| 2819 | TN's Kingdom I - Establishment | 17%(343/2011) | Oct 7, 2026 |
| 2820 | TN's Kingdom II - Construction | 13%(118/883) | Sep 10, 2026 |
| 2821 | TN's Kingdom III - Assassination | 21%(158/723) | Mar 21, 2026 |
| 2822 | TN's Kingdom IV - Collapse | 21%(168/799) | Sep 10, 2026 |
| 2823 | Sliding Window | 27%(30534/111206) | Oct 1, 2026 |
| 2824 | Bohemian Rhapsody | 11%(47/414) | Sep 10, 2026 |
| 2825 | Perfect Permutation | 44%(213/481) | Dec 9, 2025 |
| 2826 | An Easy Problem?! | 15%(3369/21601) | Oct 8, 2026 |
| 2827 | Auto-Calculation Machine | 32%(593/1836) | Sep 10, 2026 |
| 2828 | Buy Tickets | 45%(14853/32435) | Sep 30, 2026 |
| 2829 | How Many Free Dimensions? | 24%(41/170) | Jan 8, 2026 |
| 2830 | Max Sequence II | 12%(139/1071) | Dec 9, 2025 |
| 2831 | Can We Build This One? | 36%(837/2317) | Sep 10, 2026 |
| 2832 | How Many Pairs? | 35%(708/1982) | Sep 10, 2026 |
| 2833 | The Average | 29%(5752/19772) | Oct 8, 2026 |
| 2834 | Where Are You? | 25%(200/782) | Sep 11, 2026 |
| 2835 | Sunzi's Problem | 11%(93/792) | Mar 17, 2026 |
| 2836 | Rectangular Covering | 28%(1172/4102) | Sep 11, 2026 |
| 2837 | Silver Matrix | 60%(869/1432) | Mar 16, 2026 |
| 2838 | Graph Connectivity | 26%(968/3660) | Sep 10, 2026 |
| 2839 | Convex Hull and Triangle | 14%(46/322) | Mar 16, 2026 |
| 2840 | Big Clock | 62%(6782/10850) | Apr 3, 2026 |
| 2841 | Navigation Game | 19%(141/713) | Sep 10, 2026 |
| 2842 | N-dimension Matching | 45%(124/275) | Sep 10, 2026 |
| 2843 | Cutting Cake | 26%(230/868) | Sep 10, 2026 |
| 2844 | Sum and Product | 11%(144/1266) | Mar 16, 2026 |
| 2845 | 01000001 | 31%(3540/11406) | Apr 3, 2026 |
| 2846 | The Bank of Kalii | 38%(694/1781) | Sep 10, 2026 |
| 2847 | The Cubic End | 48%(683/1405) | Sep 10, 2026 |
| 2848 | Kindergarten Graduation | 37%(298/804) | Mar 16, 2026 |
| 2849 | brainf*ck | 37%(668/1782) | Aug 15, 2026 |
| 2850 | Stacking Cylinders | 51%(648/1253) | Mar 16, 2026 |
| 2851 | No Fold'em Hold'em | 27%(42/154) | Sep 10, 2026 |
| 2852 | Model Rocket Height | 48%(115/237) | Apr 3, 2026 |
| 2853 | Sequence Sum Possibilities | 65%(4010/6119) | Apr 3, 2026 |
| 2854 | Educational Journey | 45%(256/568) | Sep 10, 2026 |
| 2855 | Go | 45%(149/329) | Dec 9, 2025 |
| 2856 | Medals | 29%(268/918) | Sep 10, 2026 |
| 2857 | Flipping Colors | 50%(405/808) | Sep 10, 2026 |
| 2858 | Crabbles | 23%(365/1551) | Aug 29, 2026 |
| 2859 | A rectangle | 23%(556/2317) | Aug 29, 2026 |
| 2860 | Block game with the Little Prince | 65%(1346/2056) | Aug 7, 2026 |
| 2861 | Cycle with 6 vertices | 37%(185/489) | Sep 10, 2026 |
| 2862 | Tornado! | 35%(473/1320) | Sep 12, 2026 |
| 2863 | Mission Impossible | 16%(33/206) | Sep 10, 2026 |
| 2864 | Pascal Library | 43%(3843/8756) | Jul 4, 2026 |
| 2865 | ICPC Strikes Again | 20%(118/579) | Apr 3, 2026 |
| 2866 | Optical Fiber | 42%(167/390) | Sep 10, 2026 |
| 2867 | Where Are My Genes | 43%(624/1421) | Sep 10, 2026 |
| 2868 | Computer DJ | 24%(307/1262) | Sep 5, 2026 |
| 2869 | P-Networks | 44%(133/297) | Mar 16, 2026 |
| 2870 | Light Up | 38%(467/1221) | Sep 10, 2026 |
| 2871 | A Simple Question of Chemistry | 65%(4883/7414) | Apr 3, 2026 |
| 2872 | Spelling Be | 31%(978/3059) | Apr 3, 2026 |
| 2873 | Apply a Cold Compress | 39%(152/388) | Sep 10, 2026 |
| 2874 | A Baron Landscape | 32%(120/367) | Sep 10, 2026 |
| 2875 | In Defence of a Garden | 33%(215/634) | Sep 6, 2026 |
| 2876 | Cantoring Along | 53%(2423/4556) | Sep 10, 2026 |
| 2877 | Chambers Ceramic Conundrum | 42%(107/252) | Mar 6, 2026 |
| 2878 | IOI Photos | 19%(50/255) | Apr 3, 2026 |
| 2879 | Vice City | 16%(48/299) | Mar 6, 2026 |
| 2880 | Fixing Codes | 17%(179/1048) | Dec 9, 2025 |
| 2881 | Wiping Words | 38%(178/467) | Dec 1, 2025 |
| 2882 | Food Cubes | 24%(710/2886) | Aug 13, 2026 |
| 2883 | Points | 33%(325/982) | Sep 10, 2026 |
| 2884 | ACM-Telecom | 12%(26/209) | Apr 3, 2026 |
| 2885 | Prince of Persia | 22%(49/214) | May 6, 2026 |
| 2886 | Who Gets the Most Candies? | 30%(6057/19647) | Oct 8, 2026 |
| 2887 | Big String | 22%(2304/10064) | Sep 16, 2026 |
| 2888 | Magic Bracelet | 30%(2491/8225) | Oct 1, 2026 |
| 2889 | Unique Solution | 22%(261/1143) | Sep 11, 2026 |
| 2890 | Matrix Multiplication | 29%(547/1836) | Aug 15, 2026 |
| 2891 | Strange Way to Express Integers | 31%(9091/28411) | Oct 8, 2026 |
| 2892 | Tunnel Warfare | 41%(4795/11693) | Oct 3, 2026 |
| 2893 | M × N Puzzle | 26%(1673/6204) | Aug 7, 2026 |
| 2894 | Ancient Keyboard | 55%(1777/3210) | Aug 7, 2026 |
| 2895 | Best SMS to Type | 42%(1694/3981) | Jul 29, 2026 |
| 2896 | Changing Phone Numbers | 19%(178/907) | Mar 6, 2026 |
| 2897 | Dramatic Multiplications | 42%(1068/2534) | Sep 10, 2026 |
| 2898 | Entertainment | 18%(509/2810) | Aug 15, 2026 |
| 2899 | Fortune at El Dorado | 24%(322/1310) | Sep 5, 2026 |
