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Cod sursa(job #881809)
#include<fstream>
using namespace std;
fstream f,h;
int c[500],g[500],CMax[50],Uz[500][500],n,GMax;
void citire()
{
f.open("rucsac.in",ios::in);
int i,j;
f>>n>>GMax;
for(i=1; i<=n; i++)
f>>g[i]>>c[i];
}
void rezolvare()
{
int S,k,i;
for(S=1; S<=GMax; S++)
CMax[S]=-1;
for(S=1; S<=GMax; S++)
for(i=1; i<=n; i++)
if(g[i]<=S && CMax[S-g[i]]!=-1 && !Uz[S-g[i]][i])
if(CMax[S]<c[i]+CMax[S-g[i]])
{
CMax[S]=c[i]+CMax[S-g[i]];
for(k=1; k<=n; k++)
Uz[S][k]=Uz[S-g[i]][k];
Uz[S][i]=1;
}
}
void afisare()
{
h.open("rucsac.out",ios::out);
h<<CMax[GMax];
}
int main()
{
citire();
rezolvare();
afisare();
}