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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6. 	int x = 10;
  7. 	cout << "x = " << x << endl;
  8. 	cout << "&x = " << &x << endl;
  9. 	int* ptr = &x;
  10. 	cout << "ptr = " << ptr << endl;
  11. 	cout << "&ptr = " << &ptr << endl;
  12. 	*ptr = 100;
  13. 	cout << "x = " << x << endl;
  14.  
  15. 	return 0;
  16. }
Success #stdin #stdout 0.01s 5536KB
comments (?)
stdin 
Standard input is empty
stdout 
x = 10
&x = 0x7ffe02dc10ac
ptr = 0x7ffe02dc10ac
&ptr = 0x7ffe02dc10b0
x = 100
https://ideone.com/kmmK4S
Pointer: first example.
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
secret

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