November Challenge 2017
Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes, Chef Hates Palindromes
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, Partition the numbers
March Challenge 2018 DIV 2
Minion Chef and Bananas, Chef and Glove, Mix the Colors, A Big Sale
September Lunchtime 2018 Division 2
Judging Delay, Opposite Cites, Chef Restaurant
December Lunchtime 2018 Division 2
Print Pattern, Age Calculator
March Cook-Off 2020 Division 2
Find Your Gift, Box of Chocolates
May Lunchtime 2020 Division 2
Weird Walk, Convert the String, Lost Weekends
India