Variable Declaration in C++

SUBMITTED BY: RavishBhatt

DATE: June 27, 2016, 8:08 a.m.

UPDATED: June 27, 2016, 8:26 a.m.

FORMAT: Text only

SIZE: 330 Bytes

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  1. #include <iostream>
  2. using namespace std;
  3. // Variable declaration:
  4. extern int a, b;
  5. extern int c;
  6. extern float f;
  8. int main ()
  9. {
  10. // Variable definition:
  11. int a, b;
  12. int c;
  13. float f;
  14. // actual initialization
  15. a = 10;
  16. b = 20;
  17. c = a + b;
  18. cout << c << endl ;
  19. f = 70.0/3.0;
  20. cout << f << endl ;
  21. return 0;
  22. }
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