随笔分类 -  数学-容斥原理

摘要:1 #include<bits/stdc++.h> 2 #define ll long long 3 using namespace std; 4 const ll N=51; 5 ll n,m,a[N],lj[N],ans,sum,len,tmp; 6 7 inline ll re_ad() { 阅读全文
posted @ 2021-09-07 22:19 上官书房 阅读(44) 评论(0) 推荐(0)