Cod sursa(job #2765455)
Utilizator | Data | 26 iulie 2021 21:52:49 | |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.56 kb |
#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n, x[9];
bool valid (int k)
{
for(int i=1;i<k;i++)
if(x[k]==x[i]) return 0;
return 1;
}
void afis()
{
for(int i=1;i<=n;i++)
g<<x[i]<<' ';
g<<'\n';
}
void bt(int k)
{
if(k <= n)
for(int i = 1; i <= n; i++)
{
x[k] = i;
if(valid(k) == 1)
bt(k + 1);
}
else
afis();
}
int main()
{
f >> n;
bt(1);
return 0;
}