摘要: struct hash{ const int P = 1313131; int n,mod,f[N],p[N]; char str[N]; inline int calc(int l,int r) { return (1ll * f[r] - 1ll * f[l-1] * p[r - l + 1] 阅读全文
posted @ 2021-10-12 12:16 Themaxmaxmax 阅读(30) 评论(0) 推荐(0)