摘要: #include<bits/stdc++.h> using namespace std; const int N = 200000; int a[N],b[N],c[N],s[N]; int n,m; int main() { scanf("%d%d",&n,&m); for(int i=1;i<= 阅读全文
posted @ 2020-12-15 17:07 纸上的彩虹 阅读(71) 评论(0) 推荐(0)