December Challenge 2019 Division 2
That Is My Score!, Plus Multiply
January Challenge 2020 Division 2
Chef and Dynamo, Breaking Bricks
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Sell All the Cars, COVID Pandemic and Long Queue
August Challenge 2020 Division 1
Smallest KMP, Chef and Wedding Arrangements
July Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
July Lunchtime 2020 Division 2
Chef and Steps, Binary Concatenation , Maximum Candies
January Cook-Off 2021 Division 2
Prime Tuples, Maximise Islands
January Lunchtime 2021 Division 2 (Unrated)
Binary Subsequence, Even Differences, Even Sum
September Lunchtime 2020 Division 1
Root the Tree, Robot Detector
February Lunchtime 2021 Division 2
Average Sorting, Sed Max, Palpal Strings, Coprime Range
India