Question

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

Answer 1

#include <stdio.h>

int main(void) {
	int a = 1311, b = 1311;
	
	if ( (a ^ b) )
		puts("Not Equal");
	else
		puts("Equal");
  
    return 0;
}



/*
run:
  
Equal
 
*/

 

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Answer 2

#include <stdio.h>
#include <stdbool.h>

bool isEqual(int num1, int num2) {
    return ((num1 ^ num2) == 0);
}   
  
int main() {
    int a = 1311, b = 1311;
     
    printf("%d\n", isEqual(a, b));
    printf("%d\n", isEqual(124, 983));
}




/*
run:
  
1
0
 
*/

 

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