Question

How to display the bits of an integer in C++

Answer 1

#include <iostream>
#include <bitset>
 
void print_bits(unsigned int n) { 
    std::bitset<32> bits(n);
    std::cout << bits << '\n';
}
 
int main() {
    int n = 13;

    print_bits(n);
     
    return 0;
}
 
 
 
 
/*
run:
 
00000000000000000000000000001101
 
*/

 

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Answer 2

#include <iostream>
#include <bitset>
  
int main() {
    int n = 13;
 
    std::bitset<8> bits(n);
    std::cout << bits << '\n';
      
    return 0;
}
  
  
  
  
/*
run:
  
00001101
  
*/

 

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