August Cook-Off 2013
Chef and The Divisibility Queries, Chef and The Right Triangles
August Cook-Off 2014
Tree Game, Permutation Shuffle, Shooting
February Challenge 2014
Little Elephant and Movies, Draughts, Make Him Happy, Chef and Favourite Sequence, Longest Common Pattern, Little Elephant and Subarrays, Colored Array
March Challenge 2014
Team Split, Chef and Graph Queries, A Story with Strings, Mike and Stamps, Little Chef and Numbers, Maximum number, GCD condition, Walk, Binary Tournament
August Challenge 2014
Chef and Gift, Cleaning Tables, Earthquake, Push the Flow!, Chef and Reversing, Little Elephant and T-Shirts, Mountain Holidays 2, The Leaking Robot
July Challenge 2015
Bread, MasterChef, Na2a and lucky stone, Chef and Cube
February Cook-Off 2015
Zombinatorial, Parenthesis with Maximum Sum Subarray, Fit Squares in Triangle
July Lunchtime 2016
Drumpf for President!, Lumpy - The Bus Driver
March Cook-Off 2020 Division 1
Mysterious Sequence, Escape the Tree , Random Chocolates, Maximize Letter Beauty
April Cook-Off 2020 Division 1
Tower Counting, The Gifting Problem, Simple Operations
March Lunchtime 2020 Division 1 (Unrated)
Maximize LCM, Strip in a Tree!
RECode 12.0 (Rated for all)
Chef and String, Chef and Walk, Chef and Rotation, Chef and Or, Chef and Subsequences, Chef and Numbers
Poland