站外题求助

水星湖 @ 2023-09-18 18:57:39

by chengcheng567 @ 2023-09-18 19:39:15

xi没取模

by chengcheng567 @ 2023-09-18 19:41:20

xi = (long long)xi * (x + i) % mod ;

by 水星湖 @ 2023-09-18 19:42:31

@chengcheng567 AC 了谢谢大佬关注了

by chengcheng567 @ 2023-09-18 19:43:19

sum=(sum+(long long)a * xi)%mod ;

by chengcheng567 @ 2023-09-18 19:43:40

这里不加long long其实会爆

by chengcheng567 @ 2023-09-18 19:45:16

(long long)+(int) * (int) 应该是会溢出

by chengcheng567 @ 2023-09-18 19:45:39

@zrczrczrczrc