Cod sursa(job #2974282)
Utilizator | Grecu rares 0021592 | Data | 3 februarie 2023 19:27:49 |
---|---|---|---|
Problema | Combinari | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.66 kb |
#include <fstream>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n, l;
int main()
{
fin >> n;
fin >> l;
for (int i = (1<<n) - 1; i >= 1; i--)
{
int x = 0;
int x1 = 0;
for (int j = 0; (1 << j) <= i; j++)
{
x++;
if (i & (1 << j))
{
x1++;
}
}
if (x1 != l)
continue;
for (int j = x-1; j >= 0; j--)
{
if (i & (1 << j))
{
fout << n - j << ' ';
}
}
fout << endl;
}
return 0;
}