August Challenge 2016
Chef and Round Run, Chef and Chocolate
September Challenge 2016
Chef and Friends, Chef and digits of a number, Faded Palindromes, Chef and calculation
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs
August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix
April Challenge 2017
Similar Dishes, Bear and Clique Distances, Dish Of Life, Bear and Row 01
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings, Pairwise union of sets
July Challenge 2017
Calculator , IPC Trainers, Whats in the Name, Chef and Sign Sequences
March Challenge 2020 Division 2
XOR Engine, Ada Bishop 2, Pintu and Fruits
India