July Challenge 2014
Garden Game, Chef and Frogs, Sereja and Equality, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner, Lucky Game, Game of Numbers, Little Elephant and Painting
September Challenge 2015
3D Queries, Cracking the Code, Lighthouses, Bank robbery, Terrible vectors, Count Steps in Matrix, Nikitosh and xor, Chain of Doughnuts, Filling the maze
April Challenge 2017
Bear and Clique Distances, Similar Dishes, Bear and Row 01, Dish Of Life, Stable market, Chef and Divisor Tree, Bear and Random Grid, Chef and Digits, Heavy-Light Decomposition
March Challenge 2019 Division 1
Chef and Soccer, Cheating on Queue, Sonya and Tree, Perfect Tree Problem, Treasure Hunt, Yet Again a Subarray Problem, Matchable Permutations, (Challenge) Interleaving Strings
May Cook-Off 2019 Division 1
Expected Xor, Searching for a Biclique, Nearest Color, Bitsetbaba and Power Grid, Misha and Nice Sets
SnackDown 2021 - Online Round 1A
Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Min Max LCM
SnackDown 2021 - Online Pre-Elimination
Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers, Mega mu - 1, Mega mu - 2, Guess the row
