November Challenge 2019 Division 2
Weapon Value, Hard Sequence
December Challenge 2019 Division 2
Plus Multiply, Easy Subsequence Selection, That Is My Score!, Addition
December Lunchtime 2019 Division 2
Stupid Machine, Check Algorithm
January Challenge 2020 Division 2
Doraemon, Breaking Bricks, Equality, Chef and Dynamo
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers, Chef and Bitwise Product
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food, Under the Tunnels
May Lunchtime 2020 Division 2
Weird Walk, Lost Weekends
July Cook-Off 2020 Division 1
Even-tual Reduction, OR-thodox Distinction
June Lunchtime 2020 Division 2
Chef and Demonetisation, Increasing Decreasing, Gold Mining
January Lunchtime 2022 Division 2
Subarray permutations, Prefix Zeros, Permutation XOR Sum
India