20 ms·

I'll tell you what happens when someone writes: sprintf(buf, "%d %d", f(i), i++); They get told to rewrite it.

• Koshkin 4y ago
  Good point, actually. Many cases of undefined behavior are clearly visible to an experienced C programmer when they review someone else’s code.
• pjmlp 4y ago
  By whom? Most places still don't do proper code reviews or unit testing.