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Cod sursa(job #221257)
#include <iostream.h>
#include <fstream.h>
int s[100],n,p;
ofstream g("combinari.out");
void back(int k)
{
int i;
if(k==p+1)
{
for(i=1;i<=p;i++)
g<<s[i];
g<<" ";
}
else
{
if(k>1) s[k]=s[k-1];
else s[k]=0;
while(s[k]<n-p+k)
{
s[k]++;
back(k+1);
}
}
}
int main()
{
ifstream f("combinari.in");
f>>n>>p;
back(1);
}