August Challenge 2012
Lucky Driving, Range of Data, Delivery Boy, Little Elephant and Bombs
September Challenge 2012
Kisses & Hugs, Racing Horses, Three is Crowd
October Challenge 2012
Little Elephant and Order, Fierce Battles, Event Organizer, Maximum Sub-rectangle in Matrix, The New Scheme
April Cook-Off 2013
Andrew and the Meatballs, Andrew and the Meatballs again, Andrew and the Birthday
May Challenge 2013
Matchsticks, Witua and Math, Name Reduction, Your Name is Mine, Field Trip
June Cook-Off 2013
Attic Crossing, Lyra and the Alethiometer
August Challenge 2013
Hello Hello, Splitting Candies, Deleting numbers, Sereja and Ballons, Chef and Segments, Save The Princess, Music & Lyrics, Little Elephant and Lemonade, The Number Of Solutions
August Cook-Off 2013
Chef and The Right Triangles
October Cook-Off 2014
The Army, Walk on the Axis, Mahesh and his lost array
August Challenge 2014
Little Elephant and T-Shirts, Chef and Gift, Cleaning Tables, Earthquake, The Leaking Robot, Chef and Reversing, Mountain Holidays 2
November Challenge 2014
Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, The Spelling Problem
