January Challenge 2014
Please like me, Chef and Feedback
February Challenge 2014
Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays
April Challenge 2014
Chef and Digits, Shortest Path in Binary Trees, Farmer Feb
May Challenge 2014
Compilers and Parsers, Chef-jumping, Stone
June Challenge 2014
Chef and Subarray, Guessing Game
August Challenge 2014
Chef and Reversing, The Leaking Robot, Chef and Gift
September Challenge 2014
Chef and Left-Right, Fun with Rotation
November Challenge 2014
Chef and Segment Game, Let us construct palindrome, Chef and Red Black Tree, Chef and Words, 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
February Challenge 2015
Chef and Strange Formula, Chef and Equality, Let us play with rank list, Chef and Strings, Chef and Chain
April Challenge 2015
Chef and Interview, Broken Telephone, Chef and Piano Scales
June Challenge 2015
Chef and Memory Limit, Chef and Polygons
February Cook-Off 2015
Fit Squares in Triangle, Strategy for the World Cup
August Cook-Off 2015
Chef and the Wildcard Matching
India