Cod sursa(job #819295)

Utilizator dariusdariusMarian Darius dariusdarius Data 18 noiembrie 2012 19:48:59
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.59 kb
#include<stdio.h>
int n,st[10],viz[10];
void afis()
{
    int i;
    for(i=2,printf("%d",st[1]);i<=n;i++)
        printf(" %d",st[i]);
    printf("\n");
}
void perms(int k)
{
    if(k==n+1)
        afis();
    else
        for(int i=1;i<=n;i++)
            if(!viz[i])
            {
                st[k]=i;
                viz[i]=1;
                perms(k+1);
                viz[i]=0;
                st[k]=0;
            }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    perms(1);
    return 0;
}