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  1. function hitungNomorBit(angka, nomorBit) {
  2.     // Konversi manual dari desimal ke biner
  3.     let biner = "";
  4.     let temp = angka;
  5.  
  6.     if (temp === 0) {
  7.         biner = "0";
  8.     } else {
  9.         while (temp > 0) {
  10.             biner = (temp % 2) + biner;
  11.             temp = Math.floor(temp / 2);
  12.         }
  13.     }
  14.  
  15.     // Cari posisi bit yang bernilai 1
  16.     let posisiBit = [];
  17.     for (let i = biner.length - 1; i >= 0; i--) {
  18.         if (biner[i] === '1') {
  19.             posisiBit.push(biner.length - 1 - i);
  20.         }
  21.     }
  22.  
  23.     if (nomorBit === 0 && posisiBit.length > 1) {
  24.         return 1; 
  25.     } else if (nomorBit === 1 && posisiBit.length > 2) {
  26.         return posisiBit[2];
  27.     } else {
  28.         return null;
  29.     }
  30. }
  31.  
  32. console.log(hitungNomorBit(13, 0));
  33. console.log(hitungNomorBit(13, 1));
  34. console.log(hitungNomorBit(13, 2));
Success #stdin #stdout 0.05s 18940KB
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https://ideone.com/9QgBKh
language:
JavaScript (SMonkey 60.2.3)
created:
6 hours ago
visibility:
public

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