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  1. #include <iostream>
  2.  
  3.  
  4. int main()
  5. {
  6.   int a = 1, b = 2;
  7.   int* p = &a;
  8.   int counter = 0;
  9.  
  10.   do {
  11.     int& r = *p;
  12.     std::cout << "--" << std::endl;
  13.     std::cout << "a = " << a << std::endl;
  14.     std::cout << "b = " << b << std::endl;
  15.     std::cout << "r = " << r << std::endl;
  16.     p = &b;
  17.   } while (++counter == 1);
  18. }
Success #stdin #stdout 0.01s 2724KB
comments (?)
stdin 
Standard input is empty
stdout 
--
a = 1
b = 2
r = 1
--
a = 1
b = 2
r = 2
https://ideone.com/2op1q
language:
C++ (gcc 8.3)
created:
14 years ago
visibility:
public

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