August Challenge 2013
Little Elephant and Lemonade, Hello Hello, Save The Princess, The Number Of Solutions, Chef and Segments, Splitting Candies
October Challenge 2013
Maxim and Dividers, Helping Lira
December Challenge 2013
Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries
January Challenge 2014
Bon Appetit, Chef and Feedback, Please like me
February Challenge 2014
Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays, Colored Array
March Challenge 2015
Chef and Notebooks, Sign Wave
July Challenge 2015
Bread, MasterChef, Na2a and lucky stone, Chef and Cube
July Lunchtime 2015
Greedy puppy, Puppy and game
Ukraine