Cod sursa(job #2291305)
Utilizator | Magirescu Tudor Frostfire | Data | 27 noiembrie 2018 21:10:50 |
---|---|---|---|
Problema | Submultimi | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <fstream>
using namespace std;
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int n;
bool b[20], ok;
void afis()
{
bool ok = 0;
for(int i=1; i<=n; i++){
if(b[i]) g << i << ' ', ok = 1;
}
if(ok) g << '\n';
}
void Back(int k)
{
for(int i=0; i<=1; i++) {
b[k] = i;
if(k == n) afis();
else Back(k+1);
}
}
int main()
{
f >> n;
Back(1);
return 0;
}