| Problem ID | Title | Solved | Submit | Pass Rate |
|---|---|---|---|---|
| 1318 | NOIP2013:火柴排队 | 83 | 197 | 42.132% |
| 1447 | 求逆序对 | 292 | 857 | 34.072% |
| 1458 | 光荣的梦想 | 38 | 65 | 58.462% |
| 2089 | 宝典2第五章求逆序对数 | 39 | 47 | 82.979% |
| 2277 | 逆序对的和 | 22 | 56 | 39.286% |
| 4173 | 逆序对(inversion) | 45 | 69 | 65.217% |
| 6431 | BZOJ2431：[HAOI2009]逆序对数列 | 1 | 1 | 100.000% |
| 7295 | BZOJ3295：[Cqoi2011]动态逆序对 | 0 | 0 | 0.000% |