@[xun薰](/space/show?uid=49431) +1
by 颜伟业_C_Asm @ 2018-02-16 21:36:50
6次把...
by 俺是小程 @ 2018-05-18 14:45:56
是5次，图示非最优解
by Delva @ 2018-07-25 19:20:19
```
2 4 3 5 1（初始）
4 2 3 5 1
3 2 4 5 1
2 3 4 5 1
5 4 3 2 1
1 2 3 4 5
```
by Heartlessly @ 2019-05-14 14:05:46