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  1. function hitungNomorBit(angka, nomorBit) {
  2.     if (nomorBit !== 0 && nomorBit !== 1) {
  3.         return null;
  4.     }
  5.  
  6.     if (angka === 0) {
  7.         if (nomorBit === 0) return 1;
  8.         else return 0;
  9.     }
  10.  
  11.     let jumlahKemunculan = 0;
  12.     let sisaBagi;
  13.  
  14.     while (angka > 0) {
  15.         sisaBagi = angka % 2;
  16.  
  17.         if (sisaBagi === nomorBit) {
  18.             jumlahKemunculan++;
  19.         }
  20.  
  21.         angka = (angka - sisaBagi) / 2;
  22.     }
  23.  
  24.     return jumlahKemunculan;
  25. }
  26.  
  27. // pengujian
  28. console.log(hitungNomorBit(13, 0)); 
  29. console.log(hitungNomorBit(13, 1)); 
  30. console.log(hitungNomorBit(13, 2)); 
  31.  
  32.  
Success #stdin #stdout 0.03s 16728KB
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https://ideone.com/nkabqF
language:
JavaScript (SMonkey 60.2.3)
created:
4 days ago
visibility:
public

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