December Challenge 2019 Division 2
Plus Multiply, Easy Subsequence Selection, That Is My Score!
April Challenge 2020 Division 2
Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue
May Cook-Off 2020 Division 2
Chef and Recipe, Chef, Chefina and Their Friendship
May Lunchtime 2020 Division 2
Weird Walk, Lost Weekends
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
June Lunchtime 2020 Division 2
Chef and Demonetisation, Increasing Decreasing
February Challenge 2021 Division 2
Frog Sort, Team Name, Prime Game, Maximise Function
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