fork download
copy 
  1. #include <stdio.h>
  2. #include <bits/stdc++.h>
  3.  
  4. using namespace std;
  5.  
  6. struct Hamming {
  7.     int x, y;
  8.  
  9.     Hamming(int x, int y) :
  10.         x(x),
  11.         y(y)
  12.     {}
  13.  
  14.     static Hamming read() {
  15.         int x, y;
  16.         cin >> x >> y;
  17.         return Hamming{x, y};
  18.     }
  19.  
  20.     int distance(int x, int y) {
  21.         int number = x ^ y;
  22.         int counter = 0;
  23.  
  24.         while (number > 0) {
  25.             counter += (number & 1);
  26.             // counter += number % 2
  27.             number >>= 1;
  28.             // number /= 2;
  29.         }
  30.         return counter;
  31.     }
  32. };
  33.  
  34. int main() { 
  35. #ifdef LOCAL
  36.     freopen("input.txt", "r", stdin);
  37. #endif  
  38.     Hamming var = Hamming::read();
  39.  
  40.     cout << var.distance(var.x, var.y) << "\n";
  41.  
  42.  
  43.     return 0;   
  44. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
0
https://ideone.com/PoZXtz
language:
C++ (gcc 8.3)
created:
6 years 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!