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  1.  
  2. #include <iostream>
  3.  
  4. void foo(void);
  5. void foo() {
  6.     int a = 1;
  7.     const int x = a;
  8.     const int &b = x;
  9.     a = 2;
  10.     std::cout<<b<<"\n";
  11.     std::cout<<((a!=b)?a:b);
  12.     std::cout<<"\n"<<sizeof(a)<<","<<sizeof(b)<<","<<sizeof(x)<<":"<<sizeof(const int*)<<"::"<<sizeof(const int&);
  13. }
  14.  
  15.  
  16. int main(void);
  17. int main() {
  18. 	foo();
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 4272KB
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4,4,4:8::4
https://ideone.com/G8zmC2
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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