September Challenge 2017
Minimum Good Permutation, Little Chef and Sums, Chef and Pick Digit
October Challenge 2017
Max Mex, A Balanced Contest
November Challenge 2017
Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
August Cook-Off 2017
Real obtuse, From heaven to earth
January Challenge 2018
Maximum Score, Rectangle, K-Concatenation
February Challenge 2018
Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome
March Cook-off 2018 Division 2
Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition
November Cook-Off 2018 Division 2
Truth and Dare, Beautiful Garland
April Challenge 2018 Division 2
Weight of Numbers, Workers, Average of Pairs, Highway Crossing, Chef and Array (Challenge), Count Good Prefixes
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures, Table Game, Bad Shuffle
Code Melange (Rated)
Candy Love, The Deadly Sin, XD Subsequences
Encoder (Rated for Division 2)
Knight Chess, Second Largest Element, Paint the Wall
January Challenge 2019 Division 1
Different Neighbours, Distinct Pairs
Plinth-Enigma'19 LNMIIT Techfest - (Rated for all)
XOR! Wait for it, Return of the Gargoyle King
February Challenge 2019 Division 1
Chef and Secret Ingredients, Art of Balance
