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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6.     int *ptr = new int (10);
  7.  
  8.     cout << "Original value:" << endl;
  9.     cout << "*ptr = " << *ptr << endl;
  10.  
  11.     delete ptr; //now, the pointer is dangling
  12.  
  13.     cout << "After delete:" << endl;
  14.     cout << "*ptr = " << *ptr << endl;
  15.  
  16. return 0;
  17. }
Success #stdin #stdout 0s 3456KB
comments (?)
stdin
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Standard input is empty
stdout
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Original value:
*ptr = 10
After delete:
*ptr = 0
https://ideone.com/b3rOWB
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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