livecode1Release2.js

const readline = require('readline');

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});

var peserta = [];
function pertanyaan(x){

  if(x > 0){
      rl.question('Input Nama Kandidat ', (answer) => {
      peserta.push(answer)
      return pertanyaan(x-1)

      });
  }else{
    var hasil = [];
     for (var j = 0; j < peserta.length; j++) {
         for (var i = 1; i < peserta.length; i++) {
           if(peserta[j]!==peserta[i]){
               hasil.push([peserta[j]+", "+peserta[i]])
           }
         }
     }
     console.log(hasil)

     rl.close();
  }

}
pertanyaan(5)