Question

How to check if a number is a power of 2 in C++

Answer 1

#include <iostream>

int main() {
    int n = 32; 
   
    bool b = n > 0 && ((n & (n - 1)) == 0);
  
    std::cout << b;
    
    return 0;
}
  
  
  
  
/*
run:
    
1
    
*/

 

70+ SQL courses for beginners and professionals