poj2940-Wine Trading in Gergovia

重头到尾即可

// File Name: poj2940.cpp// Author: bo_jwolf// Created Time: Tuesday, May 07, 2013 PM07:56:21 HKT#include<vector>#include<list>#include<map>#include<set>#include<deque>#include<stack>#include<queue>#include<bitset>#include<algorithm>#include<functional>#include<numeric>#include<utility>#include<sstream>#include<iostream>#include<iomanip>#include<cstdio>#include<cmath>#include<cstdlib>#include<cstring>#include<ctime>using namespace std;int main(){int Case ;long long sum , ans , a ;while( cin >> Case , Case){sum = ans = 0 ;while( Case-- ){cin >> a;sum += a ;//cout << sum << endl;if( sum > 0 )ans += sum;elseans -= sum ;}cout << ans << endl ;}return 0;}