Cod sursa(job #2151424)

Utilizator blacktundraTudorescu Ana-Maria blacktundra Data 4 martie 2018 14:35:43
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.6 kb
#include <bits/stdc++.h>
#define nmax 101

using namespace std;

ifstream f("permutari.in");
ofstream g("permutari.out");

int n,sol[nmax],viz[nmax];

void answer(int k)
{
    if(k==n+1)
    {
        for(int i=1; i<k; i++)
            g<<sol[i]<<" ";
        g<<'\n';
    }
    else
    {
        for(int i=1; i<=n; i++)
            if(!viz[i])
            {
                viz[i]=1;
                sol[k]=i;
                answer(k+1);

                viz[i]=0;
            }
    }
}

void Read()
{
    f>>n;
    answer(1);
}

int main()
{
    Read();
    return 0;
}