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  1. #include <iostream>
  2.  
  3. bool operator "" _but_actually(unsigned long long int i)
  4. {
  5. return !i;
  6. }
  7.  
  8. int main()
  9. {
  10. std::cout << "The number is: " << 1_but_actually << "\n";
  11. }
  12.  
Success #stdin #stdout 0s 15232KB
stdin
Standard input is empty
stdout
The number is: 0