Cod sursa(job #827257)

Utilizator valeriapPeterca Valeria Cristina valeriap Data 1 decembrie 2012 21:17:35
Problema Energii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
ifstream fin("energii.in");
ofstream fout("energii.out");
int main ()
{
	int G,W,EG,CG,i,s=0,m=0;
	fin>>G;
	fin>>W;
	for(i=1;i<=G;i++)
	{
		fin>>EG;
		fin>>CG;
		do
		{
			s=s+CG;
			m=m+EG;
		}
		while(s>=W);
	}
	if(m>W)fout<<s;
	else fout<<"-1";
	fin.close();
	fout.close();
	return 0;
}