Question

How to set all even bits of a number to zero (0) in C++

Answer 1

#include <iostream>
#include <bitset>
   
using namespace std;

int main() 
{
    int n = 255;
       
    cout << bitset<8>(n) << endl;
     
    n = n & 0xaaaaaaaa;
     
    cout << bitset<8>(n) << endl;
       
    return 0;
}
  
  
   
/*
run:
   
11111111
10101010
   
*/

 

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