December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests, Chef and Happiness
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
February Challenge 2019 Division 2
Chef and Secret Ingredients, Deputy Chef, Art of Balance, Appy and Contest, Chef and Magical Jars
October Challenge 2019 Division 2
Even Edges, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
October Lunchtime 2019 Division 2
Khaled in HIT, Box Game, Counting Inversions Revisited
November Challenge 2019 Division 2
Hard Sequence, Weapon Value, Chef and Minimum Colouring
December Challenge 2019 Division 2
Plus Multiply, Easy Subsequence Selection, That Is My Score!
December Challenge 2020 Division 2
Even Pair Sum, Vaccine Production, Vaccine Distribution
February Long 2022 - II, Division 3 (Rated)
World Chess Championship, Chef and NextGen
Starters 37 Division 4 (Rated)
The Mango Truck, Roller Coaster, Laptop Recommendation , Infernos
