Cod sursa(job #162855)
Utilizator | Data | 20 martie 2008 20:05:25 | |
---|---|---|---|
Problema | Combinari | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.51 kb |
#include <stdio.h>
void back (int p);
void afis ();
FILE* f;
FILE* s;
int sir[350];
int n;
int k;
int main()
{
f=fopen ("combinari.in","r");
s=fopen ("combinari.out","w");
fscanf (f,"%d %d",&n,&k);
back (1);
fcloseall();
return 0;
}
void back (int p)
{
for (int i=sir[p-1]+1;i<=n;i++)
{
sir[p]=i;
if (p==k)
afis();
else
back (p+1);
}
}
void afis ()
{
for (int i=1;i<=k;i++)
fprintf (s,"%d",sir[i]);
fprintf (s,"\n");
}