Cod sursa(job #3189872)
Utilizator | CC Ciprian murdach | Data | 6 ianuarie 2024 16:40:54 |
---|---|---|---|
Problema | Submultimi | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.64 kb |
#include <iostream>
#include <fstream>
using namespace std;
const int Nmax = 17;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int n, len;
int submultime[Nmax];
void backtrack(int val)
{
if (val > n)
{
if (len == 0)
{
return;
}
for (int i = 1; i<= len; ++i)
{
fout << submultime[i] << " ";
}
fout << "\n";
}
else
{
submultime[++len] = val;
backtrack(val + 1);
len--;
backtrack(val + 1);
}
}
int main()
{
fin>>n;
backtrack(1);
return 0;
}