September Challenge 2013
Chef and Integers , CAO Stage-1
October Challenge 2013
Helping Lira, Maxim and Dividers
November Challenge 2013
Superpowers of 2, Yet Another Cute Girl, Uncle Johny, Square Digit Squares, Missing some chairs
December Challenge 2013
Chef and Codes, Magic Pairs
January Challenge 2014
Chef and Feedback, Please like me, Bon Appetit
February Cook-Off 2014
Chef and Remissness, Chef and Kingship
March Challenge 2014
Team Split, Walk, Little Chef and Numbers
April Challenge 2014
Shortest Path in Binary Trees, Chef and Digits, Counting Matrices, Sereja and Permutation, Farmer Feb
May Challenge 2014
Compilers and Parsers, Chef-jumping, Stone
June Challenge 2014
Forgot Password, Guessing Game, Chef and Subarray, Chef and Digit Jumps
October Challenge 2014
Remy paints the fence, Chef and Ground, Chef and Painting, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus
November Challenge 2014
Chef and Segment Game, Let us construct palindrome, Chef and Red Black Tree, Distinct Characters Subsequence
January Challenge 2015
Sereja and Number Division 2, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries
December Challenge 2015
Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence
India