September Lunchtime 2015
Sum of palindromic numbers
June Challenge 2016
Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
July Challenge 2016
Andrash and Stipendium, Chefland and Electricity
September Challenge 2016
Chef and digits of a number, Chef and calculation, Faded Palindromes
March Challenge 2017
Bear and Extra Number, Xenny and Alternating Tasks
April Challenge 2017
Dish Of Life, Bear and Row 01, Similar Dishes
May Challenge 2017
Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
July Challenge 2017
Whats in the Name, Chef and Sign Sequences
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove
October Long 2022 Division 4 (Rated)
Podium Finish, Minimum Pizzas
