| ID | Title | Ratio(AC/submit) |
Date |
| 2824 | Bohemian Rhapsody | 10%(44/408) | Oct 19, 2025 |
| 2844 | Sum and Product | 11%(143/1263) | Oct 21, 2025 |
| 2835 | Sunzi's Problem | 11%(92/787) | Dec 1, 2025 |
| 2884 | ACM-Telecom | 12%(25/201) | Dec 1, 2025 |
| 2830 | Max Sequence II | 12%(139/1070) | Oct 18, 2025 |
| 2820 | TN's Kingdom II - Construction | 13%(115/879) | Oct 19, 2025 |
| 2814 | Mobiles | 13%(64/469) | Dec 1, 2025 |
| 2839 | Convex Hull and Triangle | 14%(45/318) | Oct 20, 2025 |
| 2863 | Mission Impossible | 14%(30/202) | Oct 18, 2025 |
| 2826 | An Easy Problem?! | 15%(3358/21526) | Oct 19, 2025 |
| 2801 | Knockdown | 15%(73/461) | Oct 19, 2025 |
| 2879 | Vice City | 16%(48/295) | Nov 24, 2025 |
| 2808 | Artificial Strife | 17%(155/907) | Oct 18, 2025 |
| 2880 | Fixing Codes | 17%(179/1047) | Aug 14, 2025 |
| 2811 | Packing Dominoes | 17%(52/304) | Dec 1, 2025 |
| 2819 | TN's Kingdom I - Establishment | 17%(342/1990) | Nov 24, 2025 |
| 2806 | Janken Tactics | 17%(44/248) | Oct 20, 2025 |
| 2898 | Entertainment | 18%(508/2808) | Oct 23, 2025 |
| 2841 | Navigation Game | 19%(135/704) | Dec 1, 2025 |
| 2896 | Changing Phone Numbers | 19%(178/901) | Oct 23, 2025 |
| 2865 | ICPC Strikes Again | 19%(113/566) | Dec 1, 2025 |
| 2878 | IOI Photos | 20%(50/250) | Dec 1, 2025 |
| 2822 | TN's Kingdom IV - Collapse | 20%(165/788) | Oct 21, 2025 |
| 2821 | TN's Kingdom III - Assassination | 21%(157/715) | Dec 1, 2025 |
| 2889 | Unique Solution | 22%(257/1138) | Dec 1, 2025 |
| 2816 | Right-Hand Rule | 22%(148/653) | Dec 1, 2025 |
| 2887 | Big String | 22%(2290/9985) | Dec 1, 2025 |
| 2885 | Prince of Persia | 23%(48/206) | Dec 1, 2025 |
| 2858 | Crabbles | 23%(364/1550) | Nov 24, 2025 |
| 2859 | A rectangle | 23%(549/2303) | Nov 24, 2025 |
| 2868 | Computer DJ | 24%(300/1248) | Dec 1, 2025 |
| 2829 | How Many Free Dimensions? | 24%(41/167) | Dec 1, 2025 |
| 2882 | Food Cubes | 24%(706/2875) | Dec 1, 2025 |
| 2899 | Fortune at El Dorado | 24%(320/1300) | Dec 1, 2025 |
| 2834 | Where Are You? | 25%(198/776) | Nov 24, 2025 |
| 2843 | Cutting Cake | 26%(227/864) | Dec 1, 2025 |
| 2838 | Graph Connectivity | 26%(958/3644) | Nov 26, 2025 |
| 2851 | No Fold'em Hold'em | 26%(39/147) | Dec 1, 2025 |
| 2823 | Sliding Window | 26%(29439/109567) | Dec 1, 2025 |
| 2893 | M × N Puzzle | 26%(1669/6188) | Dec 7, 2025 |
| 2800 | Joseph's Problem | 27%(2274/8349) | Nov 26, 2025 |
| 2836 | Rectangular Covering | 28%(1162/4062) | Nov 24, 2025 |
| 2810 | Take Your Vitamins | 28%(896/3119) | Dec 1, 2025 |
| 2856 | Medals | 28%(264/914) | Nov 24, 2025 |
| 2833 | The Average | 29%(5739/19718) | Dec 6, 2025 |
| 2890 | Matrix Multiplication | 29%(533/1813) | Dec 1, 2025 |
| 2888 | Magic Bracelet | 30%(2476/8193) | Dec 1, 2025 |
| 2813 | Pasting Strings | 30%(136/448) | Dec 1, 2025 |
| 2886 | Who Gets the Most Candies? | 30%(6039/19590) | Dec 1, 2025 |
| 2845 | 01000001 | 30%(3529/11395) | Nov 26, 2025 |
| 2872 | Spelling Be | 31%(972/3047) | Dec 1, 2025 |
| 2891 | Strange Way to Express Integers | 31%(9068/28353) | Nov 24, 2025 |
| 2827 | Auto-Calculation Machine | 32%(587/1820) | Dec 1, 2025 |
| 2874 | A Baron Landscape | 32%(115/355) | Nov 24, 2025 |
| 2809 | It's My Derivative | 32%(349/1071) | Nov 12, 2025 |
| 2883 | Points | 32%(320/972) | Nov 24, 2025 |
| 2875 | In Defence of a Garden | 33%(211/622) | Dec 1, 2025 |
| 2807 | Bingo! | 34%(98/285) | Nov 24, 2025 |
| 2815 | Context-Free Clock | 35%(433/1224) | Nov 26, 2025 |
| 2832 | How Many Pairs? | 35%(700/1972) | Nov 20, 2025 |
| 2862 | Tornado! | 35%(467/1313) | Dec 1, 2025 |
| 2805 | Pegs | 35%(322/897) | Nov 24, 2025 |
| 2831 | Can We Build This One? | 35%(827/2299) | Nov 24, 2025 |
| 2848 | Kindergarten Graduation | 37%(297/801) | Dec 1, 2025 |
| 2849 | brainf*ck | 37%(666/1778) | Nov 24, 2025 |
| 2817 | WordStack | 37%(1441/3842) | Dec 1, 2025 |
| 2861 | Cycle with 6 vertices | 37%(179/476) | Dec 1, 2025 |
| 2804 | Jetpack Sniper 3000 Fragfest Extreme | 37%(101/268) | Oct 17, 2025 |
| 2873 | Apply a Cold Compress | 38%(143/376) | Dec 1, 2025 |
| 2881 | Wiping Words | 38%(178/467) | Dec 1, 2025 |
| 2870 | Light Up | 38%(464/1217) | Nov 26, 2025 |
| 2846 | The Bank of Kalii | 38%(690/1776) | Dec 1, 2025 |
| 2892 | Tunnel Warfare | 40%(4753/11634) | Dec 6, 2025 |
| 2897 | Dramatic Multiplications | 42%(1062/2526) | Dec 1, 2025 |
| 2895 | Best SMS to Type | 42%(1692/3979) | Nov 20, 2025 |
| 2866 | Optical Fiber | 42%(160/375) | Nov 24, 2025 |
| 2877 | Chambers Ceramic Conundrum | 42%(107/249) | Nov 24, 2025 |
| 2802 | Plinko | 43%(266/610) | Dec 1, 2025 |
| 2867 | Where Are My Genes | 43%(615/1405) | Nov 24, 2025 |
| 2864 | Pascal Library | 43%(3780/8628) | Dec 8, 2025 |
| 2825 | Perfect Permutation | 44%(213/480) | Oct 21, 2025 |
| 2842 | N-dimension Matching | 44%(119/267) | Dec 1, 2025 |
| 2854 | Educational Journey | 44%(252/564) | Dec 1, 2025 |
| 2869 | P-Networks | 44%(132/295) | Nov 24, 2025 |
| 2855 | Go | 45%(148/328) | Dec 1, 2025 |
| 2803 | Defining Moment | 45%(776/1714) | Oct 21, 2025 |
| 2828 | Buy Tickets | 45%(14807/32360) | Dec 6, 2025 |
| 2852 | Model Rocket Height | 46%(104/224) | Nov 20, 2025 |
| 2847 | The Cubic End | 48%(672/1387) | Dec 1, 2025 |
| 2857 | Flipping Colors | 49%(401/804) | Nov 24, 2025 |
| 2850 | Stacking Cylinders | 51%(647/1251) | Nov 20, 2025 |
| 2818 | Making Change | 52%(883/1690) | Nov 20, 2025 |
| 2876 | Cantoring Along | 52%(2391/4512) | Dec 3, 2025 |
| 2894 | Ancient Keyboard | 55%(1763/3195) | Nov 24, 2025 |
| 2812 | Extrusion | 56%(965/1713) | Nov 24, 2025 |
| 2837 | Silver Matrix | 60%(868/1430) | Dec 1, 2025 |
| 2840 | Big Clock | 62%(6776/10841) | Nov 20, 2025 |
| 2860 | Block game with the Little Prince | 65%(1343/2051) | Nov 20, 2025 |
| 2853 | Sequence Sum Possibilities | 65%(3999/6107) | Nov 20, 2025 |
| 2871 | A Simple Question of Chemistry | 65%(4872/7402) | Nov 20, 2025 |
