January Challenge 2021 Division 3
Guess the Tiling, Blackjack, Stack-Queue Sort (Challenge), Watching CPL, Fair Elections, And-Or Game, Chef and Division 3, Point Of Impact, Encoded String, Chef and Ants
March Challenge 2021 Division 2
Locked Safe, Maximum Topological Sort, Space Arrays, Paparazzi Gennady, College Life 4, Interesting XOR!, Dense Graph, Consecutive Adding
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference
October Lunchtime 2021 Division 2
Exactly N plus 1 Values, Chef and Water Car, Median Rearrangement
SnackDown 2021 - Online Round 1A
Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
CodeChef Starters 22 Division 2 (Rated)
Equal LIS, An Interesting Sequence, Merging Binary Strings, Pie Tasting, Even Subset Xor
August Lunchtime 2022 Division 1 (Rated)
Sort the Array, Tree Coloring, Subtract 12 Operation, Mex On Subtrees, MEX Permutation Difference
September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)
Increasing Addition, Remove Numbers, Adjacent Pairs
Starters 91 Division 1 (Rated till 6 Stars)
More Inversions, Maximum Sum Permutation, Chef Odd, Odd GCD Permutation, Limited Shopping, XOR & Sum, Cheapest Office
Starters 94 Division 1 (Rated till 5 Stars)
Place The Number, Possible or Not, Search for 404, Special Operation, The Vowel Matrix, Rank Queries
Starters 99 Division 1 (Rated till 6 Stars)
Segment Three, Maximize Ones, Two Piles, Yet Another Bitwise Problem, Exclusion-Inclusion
Ukraine