Cod sursa(job #539787)

Utilizator ioana23Ioana Ioana ioana23 Data 23 februarie 2011 12:53:16
Problema Generare de permutari Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.58 kb
#include <stdio.h>

using namespace std;

int sol[9], viz[9], n;

void afisare()
{
    for(int i=1; i<=n; i++)
        printf("%d", sol[i]);
    printf("\n");
}

void back(int k)
{
    if(k==n+1)
    {
        afisare();
        return;
    }
    for(int i=1; i<=n; i++)
        if(!viz[i])
        {
            viz[i] = 1;
            sol[k] = i;
            back(k+1);
            viz[i] = 0;
        }
}

int main()
{
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);
    scanf("%d", &n);
    back(1);
    return 0;
}