fork download
copy 
  1. <?php
  2.  
  3.  
  4. function hitungNomorBit(int $angka, int $nomorBit){
  5.     //pertama harus konvert ke binary
  6.     $binary = [];
  7.     if ($angka == 0 ) {
  8.         $binary=[0];
  9.     }else{
  10.  
  11.         while($angka >= 1 ){
  12.             $bit = $angka % 2;
  13.             $angka = ( $angka - $bit) / 2;
  14.             $binary[] = $bit; 
  15.         }
  16.         $binary = array_reverse($binary);
  17.  
  18.         $total = 0;
  19.  
  20.         //kemudian looping  check total jumlah binary sesuai nomorBit
  21.         foreach($binary as $bin){
  22.             if($bin == $nomorBit) $total++ ;
  23.         }
  24.  
  25.         echo ($total) ? $total : null;
  26.  
  27.     }
  28.  
  29. }
  30.  
  31.  
  32.  
  33.  
  34. // Representasi bilangan biner dari angka 13 adalah 1101
  35.  
  36. hitungNomorBit(13, 0);//  →  mengeluarkan hasil bilangan desimal 1
  37. hitungNomorBit(13, 1);//  →  mengeluarkan hasil bilangan desimal 3
  38. hitungNomorBit(13, 2);//  →  mengeluarkan hasil null
Success #stdin #stdout 0.04s 25788KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
13
https://ideone.com/4l7Br2
language:
PHP (php 7.3.5)
created:
1 year ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!