Cod sursa(job #3003419)

Utilizator tudor_costinCostin Tudor tudor_costin Data 15 martie 2023 18:41:26
Problema Generare de permutari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.73 kb
#include <fstream>

using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
const int Nmax=15;
int nr=1,n1;
int v[Nmax],f[Nmax];
void solve(int n)
{
    if(n==0)
    {
        for(int i=1;i<=n1;i++)
        {
            fout<<v[i]<<' ';
        }
        fout<<'\n';
        v[n1]=0;
        f[v[n1]]=0;
        return;
    }
    else
    {
        for(int i=1;i<=n1;i++)
        {
            if(f[i]==0)
            {
                v[n1-n+1]=i;
                f[i]=1;
                solve(n-1);
                v[n1-n+1]=0;
                f[i]=0;
            }
        }
        return;
    }
}
int main()
{
    int n;
    fin>>n;
    n1=n;
    solve(n);
    return 0;
}