POJ 2521 How much did the businessman lose G++

#include <iostream> #include <vector> //好好学英语 感谢博友 using namespace std; int main() { vector<int> jg; while(1) { int a,b,c,d; cin>>a>>b>>c>>d; if((a==0)&&(b==0)&&(c==0)&&(d==0)) { break; } int pay=b+d; jg.push_back(a+d-(pay-c)); } for(int i=0;i<jg.size();i++) { cout<<jg[i]<<endl; } return 0; }