为何用`freopen()`？
by 朦胧_XY @ 2022-10-02 17:40:08
把 18, 26, 27 行删掉就过了（不知道你打那个特判的意义是啥。。
by 朦胧_XY @ 2022-10-02 18:43:42
确实，当初是想让终点在起点右上好搜一点，弄巧成拙了。
**此贴完**
by KinoTsuki @ 2022-10-05 17:52:55