October Challenge 2015
Count Subarrays, Who dares to be a millionaire
August Cook-Off 2015
Chef and the Wildcard Matching
April Challenge 2016
Chef and Ballons, Chef And Coloring
July Challenge 2017
Chef and Sign Sequences, Whats in the Name, Calculator
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
September Challenge 2017
Little Chef and Sums, Chef and Pick Digit, Minimum Good Permutation
November Challenge 2017
Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function
September Lunchtime 2017
Chef and Cook-Off Contests
December Lunchtime 2017
Days in Month, Strange Function
India