UVa 11054 Wine trading in Gergovia

题目链接：https://vjudge.net/problem/UVA-11054

#include<iostream>
#include<algorithm>
using namespace std;
int main()
{
    int n;
    while(cin>>n&&n)
    {
        long long s=0,m=0,t;
        for(int i=0;i<n;++i)
        {
            cin>>t;
            m+=t;
            s+=abs(m);
        }
        cout<<s<<endl;
    }
    return 0;
}