May Challenge 2014
Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone, Little Elephant and Balloons
March Challenge 2015
Matrix, Sign Wave, Devu and his Class, Sereja and Random Array, Chef and Notebooks, Count Substrings
July Challenge 2017
Chef and Sign Sequences, Tree Expectancy, Whats in the Name, Servers (Challenge), Calculator , IPC Trainers, Two Coins
August Long Challenge 2017
Greedy Candidates, Strings and Graphs, Palindromic Game, Chef And Fibonacci Array, Chef and Rainbow Array, Chef and Mover
September Challenge 2017
Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Fill The Matrix, Little Chef and Sums
October Challenge 2017
Counter Test For CHEFSUM, A Balanced Contest, Max Mex, Chef and Cycled Cycles, Chef and a great voluntary Program, Chef and Magic Arrays
November Challenge 2017
Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017
Chef and Universe, Total Diamonds, Chef And his Cake, Penalty Shoot-out, Red and blue points, Chef and Hamming Distance of arrays
