Cod sursa(job #2251036)

Utilizator BungerNadejde George Bunger Data 1 octombrie 2018 08:19:36
Problema Generare de permutari Scor 80
Compilator cpp Status done
Runda Arhiva educationala Marime 0.69 kb
#include <bits/stdc++.h>

using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
const int NMAX=8;
int n,v[NMAX];
int afis()
{
    for(int i=1; i<=n; i++) fout<<v[i]<<" ";
    fout<<'\n';
}
bool sol(int k)
{
    return (k==n);
}
bool valid (int k)
{
    for(int i=1; i<=k-1; i++)
    {
        if(v[k]==v[i]) return false;
    }
    return true;
}
int backk (int k)
{
    for(int i=1; i<=n; i++)
    {
        v[k]=i;
        if(valid(k))
        {
            if(sol(k))
            {
                afis();

            }
            else backk(k+1);

        }
    }
}
int main()
{
    fin>>n;
    backk(1);
    return 0;
}