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  1. #include <iostream>
  2.  
  3. void printIntByRef(const int & value) {
  4.     std::cout << value << std::endl;
  5. }
  6.  
  7. void printInt(const int value) {
  8. 	std::cout << value << std::endl;
  9. } 
  10.  
  11. int main(){
  12.     const int a = 5;
  13.     int * pca = (int *)(&a);
  14.     *pca = 4;
  15.  
  16.     std::cout << &a << std::endl;
  17.     std::cout << pca << std::endl;
  18.  
  19.     printInt(a);
  20.     printIntByRef(a);
  21. }
Success #stdin #stdout 0s 2896KB
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Standard input is empty
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0xbfc491cc
0xbfc491cc
5
4
https://ideone.com/jsZQ0s
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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