November Challenge 2017
Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes, Chef Hates Palindromes
December Challenge 2017
Chef And his Cake, Penalty Shoot-out
October Cook-Off 2017
Chef and Employment Test, Chef and Weird Queries
December Cook-Off 2017
Beautiful Array, Football Match
January Challenge 2018
Maximum Score, Rectangle, K-Concatenation
July Challenge 2018 Division 2
Magic Set, Strike or Spare, No Strings Attached
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
Colombia