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Cod sursa(job #220233)
#include <stdio.h>
int n,p,st[20];
void tipar()
{
int i;
for(i=1;i<=p;i++)
printf("%d ", st[i]);
printf("\n");
}
void bkt(int k)
{
int i;
if(k==p+1)
{
tipar();
return;
}
for(i=st[k-1]+1;i<=n-p+k;i++)
{
st[k]=i;
bkt(k+1);
}
}
int main()
{
freopen("combinari.in","r",stdin);
freopen("combinari.out","w",stdout);
scanf("%d%d",&n,&p);
bkt(1);
return 0;
}