April Lunchtime 2017
Bear and Digit Virus, Bear and Segments, Bear and Segment 01
January Lunchtime 2018
Chef and Game with Sequence, Chef and Escaping from the Labyrinth
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples, Chef and Chefness, Chef and Line
June Cook-Off 2018 Division 1
Sonya and Segments, Good Permutations
July Cook-Off 2018 Division 1
OR Matrix, Chef and GCD Game
May Challenge 2018 Division 1
Change the Signs, Edges in Spanning Trees, Fake Binary Search, Dibs on Fibs
February Challenge 2019 Division 1
Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Art of Balance
August Cook-Off 2021 Division 2
Different String, Chef and Closure, Equal Difference, Clear the Array
Kazakhstan