November Challenge 2018 Division 2
Appy Loves One, Chef and Difficult Contests, Chef and Happiness, Chef and Ridges
February Cook-Off 2019 Division 2
Chef and Secret Password, Buying New Tablet, Chef and Party
March Lunchtime 2019 Division 2
Pogo Stick Competition, Testing Robot
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing
September Challenge 2019 Division 2
Chef and Good Subsequences, Chef and Interesting Subsequences , Biladerim Icin
February Challenge 2020 Division 2
Chef and Railway Stations, School of Geometry, Hard Cash, Long Contest and Cook Off Overlaps
May Challenge 2020 Division 2
Triple Sort, Coronavirus Spread, Chef and Bitwise Product, Isolation Centers
May Lunchtime 2020 Division 1
Convert the String, Tree difference
January Challenge 2021 Division 2
Fair Elections, Encoded String
