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Cod sursa(job #935186)
#include<fstream>
using namespace std;
int main()
{
int G,W,v[100][100],i,j,t,cmin;
ifstream f("energii.in");
ofstream g("energii.out");
f>>G;
f>>W;
t=W;
cmin=32000;
for(i=1;i<=G;i++)
for(j=1;j<=2;j++)
{
f>>v[i][j];
}
for(i=1;i<=G;i++)
for(j=1;j<=2;j++)
{ if(v[i][1]>=W&&v[i][2]<cmin) cmin=v[i][2];
t=t-v[i][1];
}
if(t>0) g<<"-1";
else g<<cmin;
}