| 1743 | Son String | 3 | 4 |
| 1745 | Frontier Tripper | 16 | 83 |
| 1746 | Abyss Cycle | 1 | 3 |
| 1747 | In Another Time | 138 | 311 |
| 1748 | Chronosphere Hacker | 28 | 119 |
| 1749 | Hefeng's Plan | 34 | 169 |
| 1750 | The End of the Blue Planet's Duel | 7 | 15 |
| 1751 | Living in Peace with Errors | 5 | 8 |
| 1752 | Happy Ending | 37 | 132 |
| 1755 | End Portal | 18 | 48 |
| 1756 | Making Colors | 13 | 23 |
| 1757 | Omen | 4 | 18 |
| 1758 | 树上莫队1 | 3 | 7 |
| 1759 | (签到)Diary | 51 | 102 |
| 1766 | 拼图 | 0 | 0 |
| 1767 | FFT | 10 | 15 |
| 1768 | 魔法师 | 2 | 3 |
| 1769 | 剪纸 | 15 | 41 |
| 1770 | 黑白大陆 | 5 | 11 |
| 1771 | 望舒客栈的每日委托 | 13 | 72 |
| 1772 | Rock&Frog | 1 | 2 |
| 1773 | 梅花易数 | 24 | 38 |
| 1774 | Rock&String | 5 | 11 |
| 1775 | 新英雄 | 10 | 29 |
| 1776 | 斐波那契 | 8 | 14 |
| 1777 | 启航者 | 8 | 31 |
| 1778 | 拉格朗日插值 | 3 | 5 |
| 1779 | 桑泽的硬币 | 1 | 3 |
| 1780 | CF1691 Max GEQ Sum | 2 | 2 |
| 1794 | I/O练习 1 | 78 | 417 |
| 1795 | I/O练习 2 | 60 | 159 |
| 1796 | I/O练习 3 | 38 | 78 |
| 1797 | I/O练习 4 | 42 | 112 |
| 1798 | vector | 61 | 167 |
| 1799 | priority_queue | 37 | 62 |
| 1800 | set | 63 | 94 |
| 1801 | set2 | 19 | 32 |
| 1802 | map | 39 | 76 |
| 1803 | bitset | 25 | 42 |
| 1806 | 分治FFT | 1 | 3 |
| 1808 | Ustinian的围骰 | 34 | 79 |
| 1810 | 【Normal】幻想乡的巴士出发咯 | 8 | 17 |
| 1811 | 【Easy】找到baka⑨ | 10 | 18 |
| 1813 | 阅 读 理 解 | 4 | 31 |
| 1814 | 边双连通分量 | 1 | 1 |
| 1815 | 【Easy】一丝一丝一丝！大残大残大残！ | 14 | 35 |
| 1816 | using | 7 | 12 |
| 1830 | 【Normal】米斯琪的夜雀食堂之营业结束算大米 | 5 | 6 |
| 1832 | 离散化 | 2 | 3 |
| 1833 | 后缀数组 | 3 | 29 |