说错了，是4和7一直wa
by Drugs @ 2021-12-13 22:47:24
考虑输入 `59 1` 和 `60 1`。
by ud2_ @ 2021-12-13 22:49:19
@[ud2_](/user/206953) 过了，谢谢大佬
by Drugs @ 2021-12-13 23:06:07