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  1. #include <iostream>
  2.  
  3. void myswap(int *a, int *b) {
  4.   *a = *a ^ *b;
  5.   *b = *a ^ *b;
  6.   *a = *a ^ *b;
  7. }
  8.  
  9. int main() {
  10.   int a, b;
  11.   a = 3;
  12.   b = 5;
  13.   std::cout << "a = " << a << ", b = " << b << std::endl;
  14.   myswap(&a, &b);
  15.   std::cout << "a = " << a << ", b = " << b << std::endl;
  16.   a = 4;
  17.   std::cout << "a = " << a << std::endl;
  18.   myswap(&a, &a);
  19.   std::cout << "a = " << a << std::endl;
  20. }
  21. /* end */
  22.  
Success #stdin #stdout 0s 4512KB
comments (?)
stdin 
Standard input is empty
stdout 
a = 3, b = 5
a = 5, b = 3
a = 4
a = 0
https://ideone.com/uYFQRK
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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