Cod sursa(job #2135226)

Utilizator BotzkiBotzki Botzki Data 18 februarie 2018 18:23:34
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.63 kb
#include <fstream>

using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
const int NMAX=8;
int n;
bool viz[NMAX+5];
int st[NMAX+5];
void print()
{
    int i;
   for(i=1;i<=n;i++)
        fout<<st[i]<<" ";
   fout<<"\n";
}
void backt(int k)
{
    int i;
    if(k==n+1)
        print();
    else
    {
        for(i=1;i<=n;i++)
        {
           st[k]=i;
           if(viz[st[k]]==0)
           {
               viz[st[k]]=1;
               backt(k+1);
               viz[st[k]]=0;
           }
        }
    }
}
int main()
{
    fin>>n;
    backt(1);

    return 0;
}