Cod sursa(job #2573113)

Utilizator LeperBearMicu Alexandru LeperBear Data 5 martie 2020 15:53:05
Problema Generare de permutari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.59 kb
#include <fstream>
#define ios ios_base::sync_with_stdio(false);

using namespace std;

ifstream cin("permutari.in");
ofstream cout("permutari.out");

int s[13],n;

bool valid(int x){
    for (int k=1;k<x;k++) if (s[k]==s[x]) return 0;
    return 1;
}

void afis(){
    for (int t=1;t<=n;t++) cout<<s[t]<<" ";
    cout<<'\n';
}

void gen(int j){
    for (int i=1;i<=n;i++){
        s[j]=i;
        if (valid(j))
            if (j==n) afis();
            else gen(j+1);
    }
}

int main()
{
    cin.tie(0);
    cout.tie(0);
    cin>>n;
    gen(1);
    return 0;
}