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Cod sursa(job #902802)
#include <fstream>
using namespace std;
int v[10001],r[10001];
int main()
{
int max=0,n,gr,x,y,i,j,s=0,c;
ifstream f("rucsac.in");
ofstream g("rucsac.out");
f>>n>>gr;
for (i=1;i<=n;i++)
{
f>>x>>y;
s++;
v[s]=x;
r[s]=y;
if (i>1)
{
c=s;
for (j=1;j<c;j++)
{
s++;
v[s]=x+v[s-c];
r[s]=y+r[s-c];
}
}
}
for (i=1;i<=s;i++)
if (v[i]==gr)
if (r[i]>max)
max=r[i];
g<<max;
return 0;
}