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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. // Function prototype (declaration)
  5. int add(int, int);
  6.  
  7. int main()
  8. {
  9.     int num1, num2, sum;
  10.     cout<<"Enters two numbers to add: ";
  11.     cin >> num1 >> num2;
  12.  
  13.     // Function call
  14.     sum = add(6, 6);
  15.     cout << "Sum = " << sum;
  16.     return 0;
  17. }
  18.  
  19. // Function definition
  20. int add(int a, int b)
  21. {
  22.     int add;
  23.     add = a + b;
  24.  
  25.     // Return statement
  26.     return add;
  27. }
Success #stdin #stdout 0s 16064KB
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Standard input is empty
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Enters two numbers to add: Sum = 12
https://ideone.com/IHaa8X
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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