5 ms·

How about sending a packet back and forth to a server in another continent n times, and if it stops coming back, it was odd.

• MathMonkeyMan 2y ago
  Better to use TCP, but I like your approach.
  • belter 2y ago
    - Attempt to factor your integer n into primes... - Once you have the complete prime factorization, check whether 2 is among its prime factors... - If 2 is a factor, it’s even; if not, odd.
    • TZubiri 2y ago
      It's just 2 lines of code, therefore it's fast. Also I only use the step over command in the debugger