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Cod sursa(job #218271)
#include<fstream>
using namespace std;
int viz[1000];
int valoare[10000];
int main(){
int g,w,i,e[1000],c[1000],max,imax,j,val,ok;
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<100009;i++){
max=0;
imax=-1;
ok=0;
for(j=0;j<g;j++)
if(!viz[j]){
ok=1;
if(c[j]<=i){
val=e[j]+valoare[i-c[j]];
if(val>max){
max=val;
imax=j;
}
}
if(!ok){
out<<"-1"<<endl;
}
}
valoare[i]=max;
if(max) viz[imax]=1;
if(valoare[i]>=w){
out<<i<<endl;
}
}
out.close();
return 0;
}