February 2012 Challenge
Lucky Count, Lucky Long, Word Couting, Count of Maximum
April Challenge 2012
Fit to Play, Similar Graphs, Greatest Dumpling Fight, Stacking Pancakes, Double Strings, Parallel Computing, Lucky Array, PDS Number
September Challenge 2012
Kisses & Hugs, Three is Crowd, ChefTown Parade, Knight Moving, Queries About Numbers, Racing Horses, Chef World
October Challenge 2012
Little Elephant and Order, Fierce Battles, Event Organizer, Maximum Sub-rectangle in Matrix, The New Scheme, Need More Diamonds
