January Challenge 2015
Sereja and Votes, Chef and Stones, Gcd Queries
February Challenge 2015
Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Jigsaw Puzzle Solving, Chef and Equality
March Challenge 2015
Chef and Notebooks, Sign Wave
August Lunchtime 2016
Studying Alphabet, Lock-Free Stack
November Challenge 2018 Division 1
Appy Loves One, Chef and Ridges
February Challenge 2019 Division 2
Manhattan Rectangle, Deputy Chef, Art of Balance, (Challenge) Chef with Orchestra in the Kitchen, Appy and Contest, Chef and Secret Ingredients, Chef and Magical Jars, Guess It Right
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
SnackDown 2021 - Online Pre-Elimination
Non-Decreasing Subsequence of size K, Product Pain
United States