June Challenge 2014
Chef and Subarray, Guessing Game
July Challenge 2014
Count Substrings, Reach The Point
August Challenge 2014
The Leaking Robot, Chef and Gift
October Challenge 2014
Chef and Painting, DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions, Chef and Ground
April Challenge 2015
Chef and Interview, Broken Telephone, Chef and Piano Scales
September Challenge 2015
Bank robbery, Chain of Doughnuts, Count Steps in Matrix
February Challenge 2016
Chef and Strange Operations, Chef-Detective
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
July Challenge 2016
Andrash and Stipendium, Chefland and Electricity
May Challenge 2017
Chef and Sub Array , Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
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