June Challenge 2017
Xenny and Coin Rankings, A Good Set
July Challenge 2017
Whats in the Name, Calculator , Chef and Sign Sequences
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
October Challenge 2017
A Balanced Contest, Counter Test For CHEFSUM, Max Mex
December Challenge 2017
Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays
September Lunchtime 2017
Chef and Cook-Off Contests
January Challenge 2018
Partition the numbers, String Merging, Rectangle, K-Concatenation, Maximum Score
September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again
June Challenge 2018 Division 2
Binary Shuffle, Naive Chef, Sheokand and String
September Challenge 2018 Division 2
Magician versus Chef, Chef and Adventures
ALKHWARIZM (Rated)
Help Voldemort, Sam, The Charming Angel
India