July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Lighthouses, Cracking the Code, Count Steps in Matrix, Chain of Doughnuts
December Challenge 2015
Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters
August Cook-Off 2015
Chef and the Wildcard Matching
June Challenge 2016
Devu and an Array, Chef and cities, Chef and Coins Game, Chef and Array and K, Chef and Rectangle Array, Chef And The Hiring Event, Chef And Binary Operation
July Challenge 2016
Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity
December Challenge 2016
Train Partner, Kth Max Subarray, Kirito in labyrinth, Our Base is Under Attack
September Cook-Off 2016
Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Find The Point
December Cook-Off 2016
Chef and Subset, Chef and Subarrays
June Lunchtime 2016
Collisions, One more weird game
December Lunchtime 2016
Superheroes and villains, Fly height mode
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
India