@[rochcim](/user/532067) 把sum改成double就行了 by dn0pf902 @ 2021-08-10 22:56:49
@[dn0pf902](/user/347763) 谢谢你！终于AC了，没想到是这个小错误，谢谢！！ by rochcim @ 2021-08-10 23:02:23