September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem, Chef and Meatballs, Chef and Interactive XOR, Max and Electrical Panel
November Challenge 2018 Division 2
Chef and Ridges, Appy Loves One, Chef and Difficult Contests, Chef and Happiness
August Lunchtime 2018 Division 2
Chef and Problem Setting, Chef and Eid
December Lunchtime 2018 Division 2
Print Pattern, Age Calculator
January Challenge 2019 Division 2
Different Neighbours, A Pizza Slice, (Challenge) Chef and Matching Game, Fancy Quotes, Distinct Pairs, Lucky Number Game, Yet Another Problem About Sequences, Chef and Modulo Game
February Challenge 2019 Division 2
Appy and Contest, Deputy Chef, Art of Balance, (Challenge) Chef with Orchestra in the Kitchen, Chef and Secret Ingredients, Chef and Magical Jars, Guess It Right, Manhattan Rectangle
March Challenge 2019 Division 1
Chef and Soccer, Yet Again a Subarray Problem, (Challenge) Interleaving Strings
April Challenge 2019 Division 1
Offer for Chef, Playing with Numbers, Subtree Removal
May Challenge 2019 Division 1
Ada Rooks 2, Where to Build the Roads
India