Cod sursa(job #813407)

Utilizator MagnvsDaniel Constantin Anghel Magnvs Data 15 noiembrie 2012 13:55:53
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.54 kb
#include <fstream>

using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");

const int nmax= 8;

int n;
int v[nmax+1], u[nmax+1];

void back(int x){
    if (x==n+1){
        for (int i= 1; i<=n; ++i){
            fout<<v[i]<<" ";
        }
        fout<<"\n";
    }else{
        for (int i= 1; i<=n; ++i){
            if (!u[i]){
                u[i]= 1;
                v[x]= i;
                back(x+1);
                u[i]= 0;
            }
        }
    }
}

int main(){
    fin>>n;
    back(1);

    return 0;
}