Problem of the Week
Permutations: Oct. 31, 2020 to Nov. 7, 2020
The problem is in the PDF below!
I enjoyed this problem:
Solution
Past Problem of the Weeks
- 2022-01-31 to 2022-02-07
- 2022-01-24 to 2022-01-31
- Jenga: 2021-12-05 to 2021-12-12
- 2021-11-29 to 2021-12-06
- Prime probabilities: 2021-11-21 to 2021-11-28
- Prime probabilities: 2021-11-14 to 2021-11-21
- A Tour of the Hills: 2021-03-13 to 2021-03-20
- Chasing Bugs: 2021-03-06 to 2021-03-13
- Ants on a Line: 2021-02-27 to 2021-03-06
- House of many doors: 2021-02-20 to 2021-02-27
- A Billiard Reflections: 2021-02-13 to 2021-02-20
- Mountain Climber: 2021-02-06 to 2021-02-13
- Sets: 2020-11-21 to 2020-11-28
- Integer Lattice: 2020-11-14 to 2020-11-21
- Football: 2020-11-07 to 2020-11-14
- Permutations: 2020-10-31 to 2020-11-07
- Chess Practice: 2020-10-24 to 2020-10-31
- 2020-10-17 to 2020-10-24
- Penny Game: 2020-10-10 to 2020-10-17
- 2020-10-03 to 2020-10-10
- 2020-09-26 to 2020-10-03
- 2020-09-19 to 2020-09-26
- 2020-09-12 to 2020-09-19
- 2020-09-05 to 2020-09-12
- 2020-08-29 to 2020-09-05
- 2020-08-22 to 2020-08-29
- 2020-08-08 to 2020-08-15
- 2020-07-11 to 2020-07-18
- 2020-03-20 to 2020-03-27
- 2020-03-07 to 2020-03-20
- 2020-02-28 to 2020-03-06
