摘要: #include<bits/stdc++.h> using namespace std; const int N=100010; typedef long long ll; int sum[N],a[N],res[N]; int n,k; ll ans=0; int main(){ cin>>n>> 阅读全文
posted @ 2022-01-17 12:38 兮何其 阅读(53) 评论(0) 推荐(0)