Cod sursa(job #1252449)

Utilizator ZimmyZimmermann Erich Zimmy Data 30 octombrie 2014 19:06:33
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.53 kb
#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int i,p[10],n,u[10];
void back(int);
int main()
{
    fin>>n;
    back(1);
    return 0;
}
void back(int poz)
{
    int i;
    if(poz==n+1)
    {
        for(i=1;i<=n;i++)
            fout<<p[i]<<' ';
        fout<<'\n';
        return;
    }
    for(i=1;i<=n;i++)
        if(!u[i])
        {
            u[i]=1;
            p[poz]=i;
            back(poz+1);
            u[i]=0;
        }
}