fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3. // Function prototype
  4. void sqr(int&);
  5. int main()
  6. {
  7.     int b = 2;
  8.     cout << "Number before" << endl;
  9.     cout << "Number = " << b << endl;
  10.     sqr(b);
  11.     cout << "\nAfter Square" << endl;
  12.  
  13.     cout << "Number = " << b << endl;
  14.     return 0;
  15. }
  16. void sqr(int& n1) {
  17.     int temp;
  18.     temp=n1*n1;
  19. }
Success #stdin #stdout 0s 4296KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Number before
Number = 2

After Square
Number = 2
https://ideone.com/TUbUcf
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!