Cod sursa(job #1026280)

Utilizator alexandru213Bracau Alexandru alexandru213 Data 11 noiembrie 2013 14:30:05
Problema Generare de permutari Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.53 kb
#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int n,a[10];
int cont(int x){
    for(int i=1;i<=x-1;i++)
        if(a[i]=a[x])
            return 0;
    return 1;}
void scrie(int x){
    for(int i=1;i<=n;i++)
        out<<a[i];}
void back(int k){
    int i;
    for(i=1;i<=n;i++){
        a[k]=i;
        if(cont[k])
            if(k==n)
                scrie(k);
            else
                back(k+1);}}
int main()
{
    in>>n;
    back(1);
    return 0;
}