October Cook-Off 2014
Walk on the Axis, Mahesh and his lost array, The Army
November Challenge 2014
Chef and Red Black Tree, Let us construct palindrome, Distinct Characters Subsequence, Chef and Segment Game
December Challenge 2014
Chef Under Pressure, Kali and Devtas, Chef and Apple Trees
February Challenge 2015
Chef and Strange Formula, Chef and Equality, Jigsaw Puzzle Solving, Let us play with rank list, Chef and Strings, Chef and Complex String Coverage, Time to Study Graphs with Chef, Chef and Chain
April Challenge 2015
Chef and Interview, Broken Telephone
June Challenge 2015
Steady tables, Chef and Memory Limit, Chef and Polygons
February Cook-Off 2015
Fit Squares in Triangle, Strategy for the World Cup
March Cook-Off 2015
How to Minimize a String, How to Repaint a Fence
India