March Challenge 2016
maximize the sum, Chef And Special Dishes, Palindromic substrings
April Challenge 2016
Chef and Ballons, Chef And Coloring
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
February Challenge 2017
Chef and His Apartment Dues
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
July Challenge 2018 Division 2
Strike or Spare, Magic Set
March Challenge 2019 Division 2
Chef and Number Game, Chef and a Beautiful Digit
May Lunchtime 2019 Division 2 (Unrated)
Dummy Palindromic Strings, CV
March Challenge 2021 Division 3
Interesting XOR!, Chef and Groups, Space Arrays, No Time to Wait
June Long Two 2022 Division 3 (Rated)
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA
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