March Challenge 2016
maximize the sum, Palindromic substrings, Chef And Special Dishes
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
June Challenge 2016
Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
September Challenge 2016
Chef and digits of a number, Chef and calculation, Faded Palindromes
November Challenge 2016
Count Permutations, Chef and squares, Task for Alexey
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
September Cook-Off 2017
Statistics Construction, Subsequence Equality
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples, Chef and Line
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
February Challenge 2019 Division 2
Chef and Secret Ingredients, Deputy Chef, Appy and Contest, Chef and Magical Jars
May Challenge 2019 Division 2
Matches, Reduce to One, Where to Build the Roads
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD
October Cook-Off 2020 Division 2
Split the Str Ing, Decreasing Srrnmieeda
India