Cod sursa(job #1326724)

Utilizator RobertMMinzat Robert RobertM Data 25 ianuarie 2015 21:34:38
Problema Generare de permutari Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.52 kb
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,x[15];
void afis(){
    for(int i=1;i<=n;i++)
        fout<<x[i];
    fout<<'\n';}
int cond(int k){
    for(int i=1;i<k;i++)
        if(x[i]==x[k])
            return 0;
    return 1;}
void back(int k){
    if(k>n)
        afis();
    else
        for(int i=1;i<=n;i++){
            x[k]=i;
            if(cond(k))
                back(k+1);}
}
int main()
{
    fin>>n;
    back(1);
    return 0;
}