对了，悬赏两关
by endswitch @ 2023-10-10 14:55:45
第8行查出一个错误，但是样例仍然没过。
by endswitch @ 2023-10-10 14:58:08
@[endswitch](/user/773915) kth 循环是 i >= 0 是吧
by sto_5k_orz @ 2023-10-10 15:07:54
@[sto_5k_orz](/user/675466) 是的，谢谢，已经AC
by endswitch @ 2023-10-10 15:08:58
已关
by endswitch @ 2023-10-10 15:09:58