October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire
August Cook-Off 2015
Chef and the Wildcard Matching
September Challenge 2016
Faded Palindromes, Chef and calculation, Chef and digits of a number
October Challenge 2016
Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
November Challenge 2016
Chef and squares, Task for Alexey
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix
