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Cod sursa(job #14444)
#include<fstream.h>
#define min(a,b) (a<b)?a:b
ifstream f("energii.in");
ofstream gg("energii.out");
int v[1000000];
int g,w,l;
int main(){
f>>g>>w;
for(int i=1; i<=g;i++)
{
int a,b,j;
f>>a>>b;
for(j=l; j>=1; j--)
{if(v[j])if(v[j+a])v[j+a]=min(v[j+a],v[j]+b);
else v[j+a]=v[j]+b;}
if(v[a])v[a]=min(v[a],b);else v[a]=b;
l=l+a;
}
while(!v[w])w++;
gg<<v[w];
return 0;
}