a数组和x的数据范围要用ll (我一开始也50,看了你的-0x7fffffffffffffff,一输入,过啦!所以帮一下您) by zzxj66 @ 2023-09-05 11:10:38
@[zzxj66](/user/824009) 十分感谢您Orz by MathCalculus @ 2023-10-25 21:58:19