March Challenge 2016
Palindromic substrings, maximize the sum
May Challenge 2016
Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu
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
July Challenge 2016
Chef and Tetris, Chefland and Electricity, Chef and Robots Competition, Chef and Segments, Andrash and Stipendium
August Challenge 2016
Chef and Chocolate, Chef and Round Run
October Challenge 2016
Chef and Keyboard, Big Queries, Fenwick Iterations, Chef and Three Dogs
April Cook-Off 2016
Odd Divisors, Queries on a Binary Tree, Movie Weekend
October Cook-Off 2016
Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network
May Challenge 2017
Courses in an university, Chef and Subsequences, Median of adjacent maximum numbers, Blocked websites, Chef and his daily routine, Chef and Sub Array
November Challenge 2018 Division 2
Chef and Ridges, Chef and Difficult Contests, Chef and Happiness
March Challenge 2020 Division 2
XOR Engine, Pintu and Fruits
June Challenge 2021 Division 3 (Rated)
Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat
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