February Challenge 2020 Division 2
School of Geometry, Hard Cash, (Challenge) Raisins
April Challenge 2020 Division 2
Strange Number, Sell All the Cars, COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
May Lunchtime 2020 Division 2
Weird Walk, Lost Weekends
June Challenge 2020 Division 2
Even Matrix, Chef and Price Control, Chef and String, Chef and Icecream, The Tom and Jerry Game!
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Missing a Point, Chef and Card Game, Chef and Strings
August Challenge 2020 Division 2
Smallest KMP, Chef and Linear Chess, Another Card Game Problem, Subsequence Frequency Counting, Chef Wars - Return of the Jedi
September Challenge 2020 Division 2
Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Ada Matrix, Coronavirus Spread 2
July Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
October Challenge 2020 Division 2
Replace for X, Covid Run, Positive AND
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes, Magical Candy Store, Unusual Queries, Iron, Magnet and Wall
December Challenge 2020 Division 1
Hail XOR, Positive Prefixes, Even Pair Sum
Code Ensemble (Rated for Division 2)
Priya and AND, Help Martha
India