Cod sursa(job #1012711)

Utilizator Iustin_BulimarFMI Iustin Bulimar Iustin_Bulimar Data 19 octombrie 2013 15:53:34
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.52 kb
#include <fstream>

using namespace std;
ifstream cin("permutari.in");
ofstream cout("permutari.out");
int n,v[10],i;
void afis()
{

    for(i=1;i<=n;i++)
    cout<<v[i]<<" ";
    cout<<'\n';
}
bool valid(int k)
{

    for(i=1;i<k;i++)
        if(v[i]==v[k])return 0;
    return 1;
}
void back(int k)
{
    for(v[k]=1;v[k]<=n;v[k]++)
        if(valid(k))
            if(k==n)afis();
            else back(k+1);
}
int main()
{
    cin>>n;
    back(1);
    cin.close();
    cout.close();
    return 0;
}