February Challenge 2015
Let us play with rank list, Chef and Chain, Chef and Equality
March Challenge 2015
Chef and Notebooks, Sign Wave
April Challenge 2015
Chef and Interview, Broken Telephone, Inversion sorting, Chef and Piano Scales
May Challenge 2015
Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe
June Challenge 2015
Steady tables, Chef and Memory Limit, Chef and Polygons
September Challenge 2015
Lighthouses, Chain of Doughnuts, Count Steps in Matrix
October Challenge 2015
Count Subarrays, Who dares to be a millionaire
November Challenge 2015
Eugene and function, Chef and cakes
December Challenge 2015
Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters
January Long Challenge 2016
Churu and Balls, Devu and Perfume, Chef and Time Machine
February Challenge 2016
Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Chef-Detective
April Challenge 2016
Chef and Ballons, Chef And Coloring
