Antiarithmetic?

Problem statistics

  1. Submissions 2316
  2. Accepted submissions 435
  3. Submission ratio 19%
  4. Authors 509
  5. Accepted authors 285
  6. Author ratio 56%
  1. Accepted
  2. Wrong Answer
  3. Time Limit Exceeded
  4. Memory Limit Exceeded
  5. Run Time Error
  6. Compile Error

Solution running time distribution