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  1. #include <iostream>
  2. #include <iomanip>
  3. #include <cmath>
  4.  
  5. using namespace std;
  6.  
  7. int size (char *p)
  8. {
  9.     return (p ? (1 + size(++p)) : 0);
  10. }
  11. int main()
  12. {
  13.     char* p;
  14.     cout << size(p) << endl;
  15. }
Success #stdin #stdout 0s 2896KB
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https://ideone.com/1UG2qr
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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