Cod sursa(job #2458630)

Utilizator KataIsache Catalina Kata Data 21 septembrie 2019 11:04:50
Problema Generare de permutari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.59 kb
#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");

int n,rez[10],use[10];
void perm (int k);

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

void perm (int k)
{
    int i;
    if (k==n+1)
        {
         for (i=1; i<=n; i++)
             fout<<rez[i]<<" ";
         fout<<'\n';
        }
    else
         for (i=1; i<=n; i++)
            if (!use[i])
                {
                 use[i]=1;
                 rez[k]=i;
                 perm(k+1);
                 use[i]=0;
                }
}