POW will resume on Oct. 30.

POW 2020-13 is still open and anyone who first submits a correct solution will get the full credit.

POW 2020-11 is still open and anyone who first submits a correct solution will get the full credit.

Due to a technical issue, POW 2020-08 was posted on Monday. Correspondingly, the due date for POW 2020-08 is postponed to May 29, Sat. (by noon).

POW will resume on May 15.

POW in 2020 spring semester will begin this Friday (3/20).

POW 2019-18 and POW 2019-20 are still open. For each question, anyone who first submits a correct solution will get the full credit.

POW 2019-18 is still open and anyone who first submits a correct solution will get the full credit.

POW will resume on Nov. 1.

The problem of the week will take a break during the midterm exam period and return on October 26, Friday. Good luck on your midterm exams!