March Challenge 2018 DIV 2
Mix the Colors, A Big Sale, Chef and Glove
May Cook-off 2018 Division 2
Best Cake Ever, Secret Recipe
April Challenge 2018 Division 2
Weight of Numbers, Count Good Prefixes, Average of Pairs, Workers
May Challenge 2018 Division 2
Xor Again, Minimum Deletions
September Challenge 2018 Division 2
War of XORs, Chef and Adventures
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
Encoder (Rated for Division 2)
Knight Chess, Paint the Wall
February Challenge 2019 Division 2
Manhattan Rectangle, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
February Cook-Off 2019 Division 2
Chef and Secret Password, Buying New Tablet, Chef and Party
April Challenge 2019 Division 1
Playing with Numbers, Subtree Removal
May Lunchtime 2019 Division 1 (Unrated)
Grid Tour, Reverse Maximisation
September Challenge 2019 Division 2
Chef and Good Subsequences, Easy Fibonacci, Chef and Interesting Subsequences
March Lunchtime 2022 Division 2
Sad Splits, Winter, Adjacency Love
Bangladesh