February 2012 Challenge
Word Couting, Count of Maximum, Lucky Long
March 2012 Challenge
Free Shuttle Service, Home Delivery, Spoon in Matrix
April Challenge 2012
Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight, Similar Graphs
May Challenge 2012
Lucky lucky number, Remember the recipe, Jewels and Stones
September Challenge 2012
Kisses & Hugs, Chef World, Racing Horses, Queries About Numbers, ChefTown Parade, Three is Crowd
October Challenge 2012
Fierce Battles, The New Scheme, Event Organizer, Maximum Sub-rectangle in Matrix
November Challenge 2012
Delicious Dishes, Coin Flip, Many Left, Sridhar Likes Travelling
December Challenge 2012
Pizza Delivery, The Uncountable Ways, Magic Rankings, Book Exercises, Granama Recipes
January Challenge 2013
Little Elephant and Alcohol, The Minimum Number Of Moves, End Of The World, Chef of the Year, Three Different Numbers
February 2013 Challenge
Buy1-Get1, Climbing Stairs
April Challenge 2013
Barcelona Gameplay Tactics, Levy Conjecture
