September Challenge 2016
Faded Palindromes, Chef and digits of a number
October Challenge 2016
Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
November Challenge 2016
Count Permutations, Friends Meeting, Gift and Chef, Chef and squares, Task for Alexey
December Challenge 2016
Train Partner, Our Base is Under Attack
February Challenge 2017
Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix
May Challenge 2017
Courses in an university, Median of adjacent maximum numbers
June Challenge 2017
A Good Set, Xenny and Coin Rankings
