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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int value = 10;
  6.     int* ptr = &value; // 'ptr' now holds the address of 'value'
  7.     int dereferencedValue = *ptr; // 'dereferencedValue' becomes 10 (the value at 'ptr's address)
  8.     ptr = 20; // The value at 'ptr's address (which is 'value') is changed to 20
  9.     std::cout<<*ptr;
  10. 	return 0;
  11. }
Success #stdin #stdout 0s 5316KB
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Standard input is empty
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20
https://ideone.com/tLaQRc
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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