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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6. int i = 0, *a = &i;
  7.  
  8. cout << "original -> " << i << endl;
  9. a[i] = i + 1;
  10.  
  11. cout << "changed -> " << i << endl;
  12. }
  13.  
Success #stdin #stdout 0.01s 2724KB
stdin
Standard input is empty
stdout
original -> 0
changed  -> 1