October Challenge 2020 Division 2
Replace for X, Positive AND, Chef and Easy Queries, Covid Run, D-Dimensional MST
December Challenge 2020 Division 2
Square Root of LCA Convolution, String Operations, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
May Lunchtime 2021 Division 2
Charges, Tom And Jerry 1, Total Components, K-Subarrays
May Challenge 2021 Division 2 (Rated)
Modular Equation, Tic Tac Toe, Xor Equality, King Killing, Tree House, Valid Paths, An Interesting Sequence
June Lunchtime 2021 Division 1
From Rational to Binary, Richie Rich, Tic Tac Toe
July Challenge 2021 Division 1 (Unrated)
Dakimakura Distribition, Chef and Pairs
August Lunchtime 2021 Division 1
Bunny Hops, Just a Graph, Chef and Deque
September Lunchtime 2021 Division 1
Interesting Representation, Subsequence LCS, Alice vs Bob Faceoff
September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)
Increasing Addition, Remove Numbers
India