November Challenge 2016
Chef and squares, Task for Alexey, Count Permutations
January Challenge 2017
Capital Movement, Cats and Dogs, Reservior
March Challenge 2017
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
June Challenge 2017
Xenny and Coin Rankings, A Good Set
July Challenge 2017
Chef and Sign Sequences, Whats in the Name, Calculator , IPC Trainers
September Challenge 2017
Fill The Matrix, Little Chef and Sums, Minimum Good Permutation, Chef and Pick Digit, Sereja and Commands
November Challenge 2017
Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function
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