November Challenge 2014
Chef and Segment Game, Let us construct palindrome, Chef and Red Black Tree, Chef and Words, Distinct Characters Subsequence
April Challenge 2015
Broken Telephone, Chef and Piano Scales
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix, Bank robbery
October Challenge 2015
Who dares to be a millionaire, Count Subarrays
January Long Challenge 2016
Rupsa and the Game, Churu and Balls, Devu and Perfume
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs
March Challenge 2017
Xenny and Alternating Tasks
July Challenge 2017
Whats in the Name, Calculator , Chef and Sign Sequences
June Lunchtime 2017
Maximum Unique Segment, Two Numbers
January Challenge 2019 Division 2
Fancy Quotes, Distinct Pairs, Lucky Number Game, Different Neighbours
October Challenge 2020 Division 2
Positive AND, Covid Run, Chef and Easy Queries
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes
June Long One 2022 Division 3 (Rated)
Subscriptions, Divisible by i , Possible GCD, Alternate Additions, Equal Strings
