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#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("combinari.in");
ofstream g("combinari.out");
int n , i , v[35] , k;
int ok (int poz)
{
for(int i = 1 ; i < poz ; i++)
{
if (v[i] == v[poz])
return 0;
}
return 1;
}
void afisare()
{
for(int i = 1 ; i <= k ; i++)
g << v[i] << " ";
g << '\n';
}
void bkt (int nivel)
{
for(int i = v[nivel-1] + 1 ; i <= n ; i++)
{
v[nivel] = i;
if(ok(nivel))
{
if(nivel == k)
afisare();
else
bkt(nivel + 1);
}
}
}
int main()
{
f >> n >> k;
bkt (1);
return 0;
}