April Challenge 2012
Fit to Play, Stacking Pancakes, Double Strings
May Challenge 2012
Jewels and Stones, Lucky lucky number, Divisible Pairs, Remember the recipe, A Home for Chef
May Cook-Off 2012
Little Elephant and Strings
June Challenge 2012
Doom Bakes Cakes, Arranging Cup-cakes, Little Elephant and Candies
July Challenge 2012
Chef's Dream, My Fair Coins, Gift Rift
August Challenge 2012
Little Elephant and Bombs, Range of Data, Delivery Boy
September Challenge 2012
Racing Horses, Queries About Numbers, ChefTown Parade, Three is Crowd, Kisses & Hugs
October Challenge 2012
Little Elephant and Order, Fierce Battles, Event Organizer, The New Scheme
November Cook-Off 2012
Little Elephant and Permutations
February Cook-Off 2013
Lack of Logic, Row and Column Operations
October Cook-Off 2013
Polo the Penguin and the Numbers, Polo the Penguin and the Test
September Cook-Off 2014, ACM-ICPC Warm up
Sherlock and the Grid, Subarray GCD, Subarray LCM
September Challenge 2014
Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation
