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Cod sursa(job #370606)
#include<fstream.h>
int k,n,fol[20],v[20];
void perm(int poz)
{int i;
if(poz==k+1)
{for(i=1; i<=k; i++)
printf("%d ", v[i]);
printf("\n");}
else
{for(i=v[poz-1]+1; i<=n; i++)
{v[poz]=i;
perm(poz+1);}}}
int main()
{freopen("combinari.in","r",stdin);
freopen("combinari.out","w",stdout);
scanf("%d %d",&n,&k);
int poz=1;
perm(poz);
return 0;}