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Cod sursa(job #741166)
#include<fstream>
using namespace std;
ifstream in("energii.in");
ofstream out("energii.out");
int e[10001],c[10001],v[15001];
int main()
{
int i,j,g,w,q;
in>>g>>w;
for(i=1;i<=g;i++)
in>>e[i]>>c[i];
for(i=1;i<=15000;i++)
v[i]=1000000000;
for(i=1;i<=g;i++)
for(j=w;j>=0;j--)
if(v[j] != 1000000000 && v[j]+c[i] < v[j+e[i]])
v[j+e[i]]=v[j]+c[i];
q=1000000001;
for(i=w;i<=15000;i++)
if(v[i]<q)
q=v[i];
if(q == 1000000001)
out<<"1\n";
else
out<<q<<'\n';
return 0;
}