你在递归判断时会越界，循环范围改成1～n-k+1就可以避免越界
by I_will_AKIOI @ 2024-03-07 22:34:23
或者数组开大
by I_will_AKIOI @ 2024-03-07 22:35:29
对，数组开大就过了
by I_will_AKIOI @ 2024-03-07 22:36:09
@[I_will_AKIOI](/user/565265) orz
by yyz_100110 @ 2024-03-11 21:28:56