April Challenge 2014
Counting Matrices, Farmer Feb, Chef and Digits, Shortest Path in Binary Trees
May Challenge 2014
Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone
June Challenge 2014
Chef and Digit Jumps, Guessing Game, Chef and Subarray
July Challenge 2014
Chef and Frogs, Count Substrings
August Challenge 2014
Chef and Reversing, The Leaking Robot, Chef and Gift
September Challenge 2014
Chef and Rainbow Array - 2, Fun with Rotation, Chef and Left-Right
April Challenge 2015
Chef and Interview, Broken Telephone
June Challenge 2016
Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
November Challenge 2016
Friends Meeting, Gift and Chef, Task for Alexey
India