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Cod sursa(job #218294)
#include<fstream.h>
#include<iostream.h>
using namespace std;
int g,w,e[1000],c[1000];
int cost[15001];
int main(){
int i,mini,j;
ifstream in("energii.in");
ofstream out("energii.out");
in>>g>>w;
for(i=0;i<g;i++)
in>>e[i]>>c[i];
in.close();
for(i=1;i<10000;i++)
cost[i]=200000000;
mini=200000000;
for(i=0;i<g;i++)
for(j=15000;j>=e[i];j--){
cost[j]=min(cost[j-e[i]]+c[i],cost[j]);
if(j>=w)
mini=min(cost[j],mini);
}
out<<mini<<endl;
out.close();
return 0;
}