September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
September Challenge 2018 Division 2
Magician versus Chef, Chef and Adventures
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
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
August Lunchtime 2018 Division 2
Chef and Problem Setting, Chef and Eid
January Challenge 2019 Division 2
Lucky Number Game, Fancy Quotes
February Challenge 2019 Division 2
Deputy Chef, Art of Balance, Chef and Secret Ingredients, Chef and Magical Jars, Manhattan Rectangle, Appy and Contest
February Cook-Off 2019 Division 2
Chef and Secret Password, Buying New Tablet, Chef and Party
March Challenge 2019 Division 2
Chef and a Beautiful Digit, Yet Again a Subarray Problem, Chef and Number Game, Chef got Recipes
June Challenge 2019 Division 1
Lent Money, Chef and Ingredients, Sum and GCD
August Challenge 2019 Division 1
Guddu and his Mother, Dilemma
September Challenge 2019 Division 2
Chef and Good Subsequences, Easy Fibonacci, Chef Designed a Network, Chef and Interesting Subsequences
India