| Problem ID | Title | Solved | Submit | Pass Rate |
|---|---|---|---|---|
| 1815 | 2.5-1253:Dungeon Master | 40 | 86 | 46.512% |
| 1817 | 2.5-1388:Lake Counting | 60 | 107 | 56.075% |
| 1819 | 2.5-156:LETTERS | 67 | 150 | 44.667% |
| 1822 | 2.5-1756:八皇后 | 25 | 43 | 58.140% |
| 1824 | 2.5-1792:迷宫（能否到达） | 226 | 764 | 29.581% |
| 1827 | 2.5-1817:城堡问题 | 29 | 51 | 56.863% |
| 1828 | 2.5-1818:红与黑 | 198 | 537 | 36.872% |
| 1832 | 2.5-2727:仙岛求药 | 110 | 232 | 47.414% |
| 1833 | 2.5-2753:走迷宫（最少步数） | 371 | 1032 | 35.950% |
| 1834 | 2.5-2971:抓住那头牛 | 285 | 878 | 32.460% |
| 1835 | 2.5-2990:符号三角形 | 28 | 49 | 57.143% |
| 1836 | 2.5-323:棋盘问题 | 43 | 89 | 48.315% |
| 1839 | 2.5-6264:走出迷宫（找起始点） | 33 | 131 | 25.191% |
| 1840 | 2.5-6266:取石子游戏 | 35 | 91 | 38.462% |
| 1842 | 2.5-7084:迷宫问题（输出路径） | 58 | 136 | 42.647% |
| 1843 | 2.5-7218:献给阿尔吉侬的花束 | 10 | 10 | 100.000% |
| 1845 | 2.5-7834:分成互质组 | 26 | 49 | 53.061% |
| 1847 | 2.5-8465:马走日 | 127 | 323 | 39.319% |
| 1848 | 2.5-8783:单词接龙 | 34 | 42 | 80.952% |
| 1849 | 2.5-917:Knight Moves | 10 | 13 | 76.923% |