NOIPTG2004合并果子

 

 

 

小黄题(雾x 用来练手堆的w

//堆
#include <bits/stdc++.h> using namespace std; #define fr(i,m,n) for(int i=m;i<=n;i++)int x,y,n,t,ans; priority_queue< int,vector<int>,greater<int> > h; int main() { ios::sync_with_stdio(false); cin >> n; fr(i,1,n){ cin >> t; h.push(t); } fr(i,1,n-1){ x = h.top(); h.pop(); y = h.top(); h.pop(); ans += x + y; h.push(x + y); } cout << ans; return 0; }

 

posted @ 2019-10-02 21:13  QUEKI嶺冬  阅读(113)  评论(0编辑  收藏  举报
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