| ID | Title | Ratio(AC/submit) |
Date |
| 2800 | Joseph's Problem | 27%(2276/8351) | Jan 7, 2026 |
| 2801 | Knockdown | 15%(73/462) | Dec 9, 2025 |
| 2802 | Plinko | 43%(266/611) | Dec 9, 2025 |
| 2803 | Defining Moment | 45%(776/1715) | Dec 9, 2025 |
| 2804 | Jetpack Sniper 3000 Fragfest Extreme | 37%(101/269) | Dec 9, 2025 |
| 2805 | Pegs | 35%(322/898) | Jan 8, 2026 |
| 2806 | Janken Tactics | 17%(44/249) | Dec 9, 2025 |
| 2807 | Bingo! | 34%(98/285) | Nov 24, 2025 |
| 2808 | Artificial Strife | 17%(155/910) | Jan 8, 2026 |
| 2809 | It's My Derivative | 32%(349/1072) | Dec 9, 2025 |
| 2810 | Take Your Vitamins | 28%(897/3120) | Dec 9, 2025 |
| 2811 | Packing Dominoes | 17%(52/305) | Dec 9, 2025 |
| 2812 | Extrusion | 56%(965/1713) | Nov 24, 2025 |
| 2813 | Pasting Strings | 30%(136/451) | Jan 8, 2026 |
| 2814 | Mobiles | 13%(64/470) | Dec 9, 2025 |
| 2815 | Context-Free Clock | 35%(433/1226) | Jan 8, 2026 |
| 2816 | Right-Hand Rule | 22%(149/654) | Dec 9, 2025 |
| 2817 | WordStack | 37%(1441/3845) | Jan 8, 2026 |
| 2818 | Making Change | 52%(885/1692) | Jan 8, 2026 |
| 2819 | TN's Kingdom I - Establishment | 17%(342/1991) | Dec 9, 2025 |
| 2820 | TN's Kingdom II - Construction | 13%(115/880) | Dec 9, 2025 |
| 2821 | TN's Kingdom III - Assassination | 21%(157/718) | Jan 8, 2026 |
| 2822 | TN's Kingdom IV - Collapse | 20%(165/791) | Jan 8, 2026 |
| 2823 | Sliding Window | 26%(29461/109725) | Jan 11, 2026 |
| 2824 | Bohemian Rhapsody | 10%(44/409) | Dec 9, 2025 |
| 2825 | Perfect Permutation | 44%(213/481) | Dec 9, 2025 |
| 2826 | An Easy Problem?! | 15%(3358/21527) | Dec 9, 2025 |
| 2827 | Auto-Calculation Machine | 32%(587/1823) | Jan 8, 2026 |
| 2828 | Buy Tickets | 45%(14809/32365) | Jan 8, 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? | 35%(827/2300) | Jan 8, 2026 |
| 2832 | How Many Pairs? | 35%(701/1973) | Jan 8, 2026 |
| 2833 | The Average | 29%(5739/19729) | Dec 15, 2025 |
| 2834 | Where Are You? | 25%(198/779) | Jan 7, 2026 |
| 2835 | Sunzi's Problem | 11%(92/788) | Jan 8, 2026 |
| 2836 | Rectangular Covering | 28%(1162/4064) | Jan 8, 2026 |
| 2837 | Silver Matrix | 60%(868/1430) | Dec 1, 2025 |
| 2838 | Graph Connectivity | 26%(958/3644) | Nov 26, 2025 |
| 2839 | Convex Hull and Triangle | 14%(45/319) | Dec 9, 2025 |
| 2840 | Big Clock | 62%(6776/10843) | Jan 9, 2026 |
| 2841 | Navigation Game | 19%(135/705) | Dec 9, 2025 |
| 2842 | N-dimension Matching | 44%(120/269) | Jan 8, 2026 |
| 2843 | Cutting Cake | 26%(227/865) | Dec 9, 2025 |
| 2844 | Sum and Product | 11%(143/1264) | Dec 9, 2025 |
| 2845 | 01000001 | 30%(3530/11396) | Jan 8, 2026 |
| 2846 | The Bank of Kalii | 38%(690/1777) | Dec 9, 2025 |
| 2847 | The Cubic End | 48%(673/1390) | Jan 8, 2026 |
| 2848 | Kindergarten Graduation | 37%(297/802) | Dec 9, 2025 |
| 2849 | brainf*ck | 37%(666/1778) | Nov 24, 2025 |
| 2850 | Stacking Cylinders | 51%(647/1251) | Nov 20, 2025 |
| 2851 | No Fold'em Hold'em | 26%(39/148) | Dec 9, 2025 |
| 2852 | Model Rocket Height | 46%(104/226) | Jan 8, 2026 |
| 2853 | Sequence Sum Possibilities | 65%(4001/6109) | Jan 8, 2026 |
| 2854 | Educational Journey | 44%(252/564) | Dec 1, 2025 |
| 2855 | Go | 45%(149/329) | Dec 9, 2025 |
| 2856 | Medals | 28%(264/914) | Nov 24, 2025 |
| 2857 | Flipping Colors | 49%(401/804) | Nov 24, 2025 |
| 2858 | Crabbles | 23%(364/1550) | Nov 24, 2025 |
| 2859 | A rectangle | 23%(549/2305) | Jan 7, 2026 |
| 2860 | Block game with the Little Prince | 65%(1343/2051) | Nov 20, 2025 |
| 2861 | Cycle with 6 vertices | 37%(179/478) | Jan 8, 2026 |
| 2862 | Tornado! | 35%(467/1313) | Dec 1, 2025 |
| 2863 | Mission Impossible | 14%(30/203) | Dec 9, 2025 |
| 2864 | Pascal Library | 43%(3824/8714) | Dec 22, 2025 |
| 2865 | ICPC Strikes Again | 19%(113/569) | Jan 8, 2026 |
| 2866 | Optical Fiber | 42%(160/378) | Jan 7, 2026 |
| 2867 | Where Are My Genes | 43%(615/1407) | Jan 8, 2026 |
| 2868 | Computer DJ | 23%(300/1251) | Jan 8, 2026 |
| 2869 | P-Networks | 44%(132/295) | Nov 24, 2025 |
| 2870 | Light Up | 38%(464/1218) | Dec 9, 2025 |
| 2871 | A Simple Question of Chemistry | 65%(4873/7404) | Jan 7, 2026 |
| 2872 | Spelling Be | 31%(972/3048) | Jan 8, 2026 |
| 2873 | Apply a Cold Compress | 38%(143/376) | Dec 1, 2025 |
| 2874 | A Baron Landscape | 32%(115/357) | Jan 8, 2026 |
| 2875 | In Defence of a Garden | 33%(211/624) | Jan 8, 2026 |
| 2876 | Cantoring Along | 53%(2394/4515) | Jan 8, 2026 |
| 2877 | Chambers Ceramic Conundrum | 42%(107/250) | Jan 8, 2026 |
| 2878 | IOI Photos | 19%(50/251) | Dec 9, 2025 |
| 2879 | Vice City | 16%(48/297) | Jan 7, 2026 |
| 2880 | Fixing Codes | 17%(179/1048) | Dec 9, 2025 |
| 2881 | Wiping Words | 38%(178/467) | Dec 1, 2025 |
| 2882 | Food Cubes | 24%(706/2877) | Jan 7, 2026 |
| 2883 | Points | 32%(320/972) | Nov 24, 2025 |
| 2884 | ACM-Telecom | 12%(25/202) | Dec 9, 2025 |
| 2885 | Prince of Persia | 23%(48/207) | Dec 9, 2025 |
| 2886 | Who Gets the Most Candies? | 30%(6040/19592) | Jan 5, 2026 |
| 2887 | Big String | 22%(2292/9996) | Jan 8, 2026 |
| 2888 | Magic Bracelet | 30%(2476/8204) | Jan 7, 2026 |
| 2889 | Unique Solution | 22%(257/1139) | Dec 9, 2025 |
| 2890 | Matrix Multiplication | 29%(533/1816) | Jan 8, 2026 |
| 2891 | Strange Way to Express Integers | 31%(9070/28356) | Jan 7, 2026 |
| 2892 | Tunnel Warfare | 40%(4753/11636) | Jan 8, 2026 |
| 2893 | M × N Puzzle | 26%(1669/6188) | Dec 7, 2025 |
| 2894 | Ancient Keyboard | 55%(1763/3195) | Nov 24, 2025 |
| 2895 | Best SMS to Type | 42%(1692/3979) | Nov 20, 2025 |
| 2896 | Changing Phone Numbers | 19%(178/903) | Jan 7, 2026 |
| 2897 | Dramatic Multiplications | 42%(1062/2527) | Dec 9, 2025 |
| 2898 | Entertainment | 18%(508/2809) | Dec 9, 2025 |
| 2899 | Fortune at El Dorado | 24%(320/1303) | Jan 8, 2026 |
