Question

How to swap two numbers with the bitwise XOR operator in C++

Answer 1

#include <iostream>

int main() {
    int x = 5;
    int y = 9;
     
    x ^= y; 
    y ^= x; 
    x ^= y;
     
    std::cout << "x = " << x << " y = " << y;
}
 
 
/*
run:
 
x = 9 y = 5
 
*/

 

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