October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire
September Lunchtime 2015
Sum of palindromic numbers
April Challenge 2016
Chef and Ballons, Chef And Magical Path, Chef And Coloring
June Challenge 2016
Chef And Binary Operation, Devu and an Array, Chef and Coins Game
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
September Challenge 2021 Division 3 (Rated)
Shuffling Parities, Airline Restrictions, Travel Pass
