摘要: 1 #include <bits/stdc++.h> 2 using namespace std; 3 typedef long long ll; 4 const int N = 5e6 + 10; 5 ll fac[N], sv[N], inv[N], a[N]; 6 ll n, p, k; 7 阅读全文
posted @ 2022-10-04 16:32 YHXo 阅读(32) 评论(0) 推荐(0)