April Challenge 2016
Chef and Ballons, Chef And Coloring
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, String Merging
May Challenge 2019 Division 2
Matches, Reduce to One, Where to Build the Roads
May Cook-Off 2019 Division 2
Chain Reaction, Misha and Nice Sets, Recover the Sequence
June Challenge 2019 Division 1
Sum and GCD, Lent Money, Chef and Ingredients
June Cook-Off 2019 Division 1
Nice Subsets, Ants and Anteaters, Drink Slush
September Mega Cook-Off 2019 Division 1
Angry Grandfather, Hiring Chefs, Fitness Exercises
SnackDown 2021 - Online Qualifiers
Maximum Number Of Distinct Elements, Lucky Number
SnackDown 2021 - Online Round 1A
Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
SnackDown 2021 - Online Elimination Round (Rated for all)
Graduate Work Matters, Sorting Segments
Ukraine