September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
August Cook-Off 2015
Chef and the Wildcard Matching
September Lunchtime 2015
Sum of palindromic numbers
January Long Challenge 2016
Chef and Time Machine, Devu and Perfume, Churu and Balls, Rupsa and the Game
February Challenge 2016
Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
India