May Cook-Off 2021 Division 3
Marathon, The Last Problem, Vaccine Drive
June Challenge 2021 Division 3 (Rated)
Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Dual Distance, Summer Heat, Minimum Subtree Cover
July Challenge 2021 Division 2 (Unrated)
XxOoRr, Chef vs Bharat, K Path Query
August Lunchtime 2021 Division 2
K-th Maximum, Just a Graph, Crossing Blocks
CodeChef Starters 10 Division 2 (Rated)
Magical Flips, Maximise the Subsequence Sum, Remove One Element
September Cook-Off 2021 Division 2
Zebra Crossing, Fake Swaps, Adjacency Hatred
CodeChef Starters 11 Division 2 (Rated)
The Grid Fill Problem, Obtain the Sum, Positive Spewing
CodeChef Starters 12 Division 2 (Unrated)
K - balanced string, Good Weather, Make it Divisible, Another Shortest Paths Problem
CodeChef Starters 14 Division 2 (Unrated)
Odd GCD, Diagonal movement
October Lunchtime 2021 Division 2
Exactly N plus 1 Values, Chef and Water Car
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Min Max LCM
November Cook-Off 2021 Division 2
Product Pain, Missing Sums
C.O.D.E.R.S Division 3 (Rated)
The One On The Last Night, The One with Russ, The One with All the Candy, The One Where It All Began, The One with Ross Wedding
India