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
October Cook-Off 2016
Watson asks Does Permutation Exist
February Challenge 2017
Most Frequent Element, Gerrymander, Chef and His Apartment Dues, Chef and Triangles
March Challenge 2017
Cooking Schedule, Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix
January Cook-Off 2017
Digit Longest Increasing Subsequences 2
May Challenge 2017
Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Sub Array
August Cook-Off 2017
Real obtuse, From heaven to earth
January Challenge 2018
Rectangle, Partition the numbers, String Merging, Maximum Score, K-Concatenation, (Challenge) Chef and Palindromes
August Cook-Off 2018 Division 1
GukiZ and Candies, Mixi Game
April Cook-Off 2019 Division 2
Pied Piper vs Hooli, Making a Meal, Chef Learning Hungarian Algorithm
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