Cod sursa(job #2454259)

Utilizator Botzki17Botocan Cristian-Alexandru Botzki17 Data 7 septembrie 2019 19:57:51
Problema Generare de permutari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.68 kb
#include <fstream>

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