Cod sursa(job #1120838)

Utilizator zikade9Irimia Rares zikade9 Data 25 februarie 2014 10:24:00
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.57 kb
#include<cstdio>
using namespace std;
int n,i,x[10],ap[10];
void back(int poz)
{
    if(poz==n+1)
    {
        for(i=1;i<=n;i++)
        {
            printf("%d ",x[i]);
        }
        printf("\n");
        return ;
    }
    int i;
    for(i=1;i<=n;i++)
    {
        if(ap[i]==0)
        {
            ap[i]=1;
            x[poz]=i;
            back(poz+1);
            ap[i]=0;
        }
    }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    back(1);
    return 0;
}