February Lunchtime 2019 Division 2
Average Number, The Tricky Deal
December Challenge 2019 Division 2
Chefina and Ranges, Plus Multiply, Binary XOR, Easy Subsequence Selection, That Is My Score!, Addition
May Lunchtime 2020 Division 1
Convert the String, Tree difference
June Challenge 2020 Division 1
Convenient Airports, Guessing Game, Operations on a Tuple, The Tom and Jerry Game!, The Delicious Cake
August Challenge 2020 Division 1
Chef Thanos Wants Perfect Balance, Chef and Wedding Arrangements, Smallest KMP, Chefina and Strange Tree, Precious Stones , Subsequence Frequency Counting, Insanely Hard School Exams
September Challenge 2020 Division 1
Chefina and Swap, Move the Coins 2, Chef and Trump Cards, Find XOR, Move the Coins - Creating Tests, Divide Candies, Ada Matrix
