Cod sursa(job #1522157)

Utilizator taureteTauru Mihai taurete Data 11 noiembrie 2015 12:05:31
Problema Generare de permutari Scor 0
Compilator c Status done
Runda Arhiva educationala Marime 0.7 kb
#include <stdio.h>
#include <stdlib.h>
int n,S[10];
int valid (int k)
{
    int i,ev;
    ev=1;
    for (i=0;i<k&& ev;i++)
        if (S[i]==S[k]) ev=0;
        return ev;
}
int sol(int k)
{
    if (k==n) return 1;
      else return 0;

}
void tipar(int k)
{
    int i;
    for (i=0;i<=k;i++)
        printf("%d",S[i]);
    printf("%d\n");
}
void back(int k)
{
    int x;
    for (x=0;x<n;x++)
    {
        S[k]=x;
        if (valid(k))
        {
            if (sol(k)) tipar(k);
              else back(k+1);
        }

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