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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int  i1 = 20;
  6. 	int  i2 = 20;
  7. 	int *r1 = &i1;
  8. 	int *r2 = &i2;
  9. 	int  s  = *r1 - *r2;
  10. 	std::cout << s << std::endl;
  11. 	i1 = 40;
  12. 	s = *r1 - *r2; // <-- ADD THIS!
  13. 	std::cout << s << std::endl;
  14. 	return 0;
  15. }
Success #stdin #stdout 0s 4528KB
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Standard input is empty
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0
20
https://ideone.com/DQ0RfJ
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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