March Challenge 2014
Walk, Little Chef and Numbers
June Challenge 2014
Chef and Subarray, Guessing Game
April Challenge 2015
Chef and Interview, Broken Telephone, Chef and Piano Scales
May Challenge 2015
Devu and binary String, Chef and new recipe, Set Difference , Chef and Prime Divisors
June Challenge 2015
Chef and Memory Limit, Chef and Polygons
October Challenge 2015
Count Subarrays, Who dares to be a millionaire
April Challenge 2016
Help Watson Escape, Chef And Coloring, Chef and Ballons, Chef And Magical Path
May Challenge 2017
Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers
June Challenge 2017
A Good Set, Xenny and Coin Rankings
September Challenge 2018 Division 2
Chef and Adventures, Magician versus Chef
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Difficult Contests
June Challenge 2021 Division 3 (Rated)
Bitwise Tuples, Bella ciao, Summer Heat
July Challenge 2021 Division 3 (Rated)
XxOoRr, Optimal Denomination, Maximum Production, Relativity
