Question

How to check if two numbers are equal using bitwise operators in C++

Answer 1

#include <iostream>
 
int main() {
  	int a = 1311, b = 1311;
	
	if ( (a ^ b) )
		std::cout << "Not Equal";
	else
		std::cout << "Equal";
  
}
 
 
              
              
/*
run:
              
Equal
         
*/

 

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Answer 2

#include <iostream>
 
bool isEqual(int num1, int num2) {
    return ((num1 ^ num2) == 0);
}   
 
int main() {
  	int a = 1311, b = 1311;
	
	std::cout << isEqual(a, b) << "\n";
	std::cout << isEqual(123, 783) << "\n";
}
 
 
              
              
/*
run:
              
1
0
         
*/

 

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