July Challenge 2015
Na2a and lucky stone, Bread, Chef and Cube
December Challenge 2015
Chef and cinema, Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters
February Challenge 2016
Chef and Strange Operations, Chef-Detective
March Challenge 2016
Palindromic substrings, maximize the sum
April Challenge 2016
Help Watson Escape, Chef And Coloring, Chef And Magical Path, Chef and Ballons
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
July Challenge 2017
Calculator , Two Coins, IPC Trainers, Whats in the Name, Tree Expectancy, Pishty and tree, Chef and Sign Sequences
June Cook-Off 2017
Ada and crayons, SnackUp, Centeroid
August Challenge 2019 Division 1
Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves
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