August Challenge 2019 Division 2
Football, Distribute Apples, Zombie and the Caves, Dilemma
October Challenge 2019 Division 2
Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
November Lunchtime 2019 Division 2
Planting Trees, Compress the List
December Challenge 2019 Division 2
Plus Multiply, Easy Subsequence Selection, That Is My Score!
December Lunchtime 2019 Division 2
Stupid Machine, Check Algorithm
January Challenge 2020 Division 2
Breaking Bricks, Equality, Chef and Dynamo, Doraemon
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps
March Challenge 2020 Division 2
XOR Engine, Ada Bishop 2, Pintu and Fruits
April Challenge 2020 Division 2
Unit GCD, COVID Pandemic and Long Queue, Leaked Answers (Challenge), Sell All the Cars, Ready Bitwise, Squared Subsequences, Strange Number
May Challenge 2020 Division 1
Triple Sort, Chef and Bitwise Product
June Challenge 2020 Division 1
The Tom and Jerry Game!, Operations on a Tuple, Covid Sampling (Challenge)
July Challenge 2020 Division 1
Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef
India