Antiarithmetic?

Problem statistics

  1. Submissions 912
  2. Accepted submissions 157
  3. Submission ratio 17%
  4. Authors 222
  5. Accepted authors 113
  6. Author ratio 51%
  1. Accepted
  2. Wrong Answer
  3. Time Limit Exceeded
  4. Memory Limit Exceeded
  5. Run Time Error
  6. Compile Error

Solution running time distribution