February Challenge 2020 Division 2
Hard Cash, School of Geometry, (Challenge) Raisins
March Challenge 2020 Division 2
XOR Engine, Ada Bishop 2, Pintu and Fruits
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Triple Sort, Coronavirus Spread, Isolation Centers
March Cook-Off 2020 Division 2
Find Your Gift, Box of Chocolates
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food
April Lunchtime 2020 Division 2
Another Birthday Present!, Chef in Fantasy League
May Lunchtime 2020 Division 2
Weird Walk, Lost Weekends
International Coding Marathon (Rated for all)
Mr Pr in a Dilemma , Lavanya Loves DFA
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Chefina and Swaps, Chef and Strings, Chef and Card Game, Doctor Chef, Missing a Point, Ada King
August Challenge 2020 Division 1
Subsequence Frequency Counting, Chef and Wedding Arrangements, Chef Thanos Wants Perfect Balance, Smallest KMP, Chef and Linear Chess, Another Card Game Problem, Chef Wars - Return of the Jedi, Insanely Hard School Exams
July Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
July Lunchtime 2020 Division 2
Chef and Steps, Maximum Candies
June Lunchtime 2020 Division 2
Maximum AND, Chef and Demonetisation, Increasing Decreasing
India