Cod sursa(job #3142866)
Utilizator | alexandru alexvali23 | Data | 25 iulie 2023 09:17:44 |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.62 kb |
#include <iostream>
#include <fstream>
#include <cmath>
using namespace std;
int n,x[9];
bool F[9];
ifstream f("permutari.in");
ofstream g("permutari.out");
void afis()
{
for(int i=1; i<=n; i++)
g<<x[i]<<' ';
g<<'\n';
}
void backt(int k)
{
if(k<=n)
for(int i=1; i<=n; i++)
{
if(F[i]==0)
{
x[k]=i;
F[i]=1;
backt(k+1);
F[i]=0;
}
}
else
afis();
}
int main()
{
f>>n;
backt(1);
f.close();
g.close();
return 0;
}