| Problem ID | Title | Solved | Submit | Pass Rate |
|---|---|---|---|---|
| 1790 | 2.2-1696:逆波兰表达式 | 184 | 271 | 67.897% |
| 1791 | 2.2-1750:全排列 | 69 | 77 | 89.610% |
| 1792 | 2.2-1751:分解因数 | 135 | 162 | 83.333% |
| 1793 | 2.2-1755:菲波那契数列 | 105 | 116 | 90.517% |
| 1795 | 2.2-1788:Pell数列 | 109 | 115 | 94.783% |
| 1797 | 2.2-3089:爬楼梯 | 88 | 98 | 89.796% |
| 1798 | 2.2-6261:汉诺塔问题 | 32 | 33 | 96.970% |
| 1799 | 2.2-666:放苹果 | 73 | 79 | 92.405% |
| 1800 | 2.2-7592:求最大公约数问题 | 227 | 363 | 62.534% |