Cod sursa(job #1699900)

Utilizator moise_alexandruMoise Alexandru moise_alexandru Data 8 mai 2016 19:39:42
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.61 kb
#include <cstdio>
using namespace std;

bool marcat[10];
int v[9];
int n;
inline void _back_(int poz)
{
    if(poz == n + 1)
    {
        for(int i = 1; i <= n; i++)
            printf("%d ", v[i]);
        printf("\n");
        return;
    }
    for(int i = 1; i <= n; i++)
    {
        if(!marcat[i])
        {
            marcat[i] = 1;
            v[poz] = i;
            _back_(poz + 1);
            marcat[i] = 0;
        }
    }
}
int main()
{
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);
    scanf("%d", &n);
    _back_(1);
    return 0;
}