March Challenge 2021 Division 3
No Time to Wait, Chef and Groups
April Challenge 2021 Division 3
Worthy Matrix, Destroy the EMP Chip, Chef and Dice, Valid Pair, World Record, Strong Language, Binary String MEX
May Challenge 2021 Division 2 (Rated)
Xor Equality, Tic Tac Toe, Modular Equation
July Lunchtime 2021 Division 3
Red Alert, Array Rotation Returns, Beautiful Pairs, Chef and Spells
August Cook-Off 2021 Division 2
Different String, Chef and Closure, Equal Difference
August Lunchtime 2021 Division 2
K-th Maximum, Crossing Blocks, Just a Graph
CodeChef Starters 9 Division 2 (Unrated)
Large Square, Black cells in a chessboard
CodeChef Starters 10 Division 2 (Rated)
Magical Flips, Maximise the Subsequence Sum, Remove One Element
September Cook-Off 2021 Division 2
Cars and Bikes, Chef and Pairwise Distances, Zebra Crossing, Fake Swaps, Adjacency Hatred
CodeChef Starters 11 Division 2 (Rated)
Positive Spewing, The Grid Fill Problem, Obtain the Sum
CodeChef Starters 13 Division 2 (Rated)
Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Magical Doors
September Lunchtime 2021 Division 2
Balanced and Unique Arrays, Alice vs Bob Faceoff, Yet another SOD problem
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
CodeChef Starters 18 Division 2 (Unrated)
Back to Campus, Make them equal
India