December Challenge 2018 Division 2
Chef and Interactive Contests, Max and Electrical Panel, Chef and An Ideal Problem
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
January Challenge 2019 Division 2
Lucky Number Game, Fancy Quotes
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
June Challenge 2019 Division 2
Road Signs, Guddu on a Date, Chef and Proxy
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves
October Challenge 2019 Division 2
Phone Prices, Array Modification, Operations on a Matrix
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes, Iron, Magnet and Wall
November Cook-Off 2020 Division 2
Chef and IPC Certificates
January Challenge 2021 Division 3
Encoded String, Point Of Impact, Chef and Division 3, Fair Elections
January Cook-Off 2021 Division 3
Distinct Pair Sums, Password
February Challenge 2021 Division 2
Frog Sort, Team Name, Prime Game, Maximise Function
March Challenge 2021 Division 2
Interesting XOR!, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays
India