May Challenge 2018 Division 2
Mighty Friend, S-T Mincut, Dibs on Fibs, Fake Binary Search, Minimum Deletions, Change the Signs, Xor Again
June Challenge 2018 Division 2
Two Flowers, Ways to Work, Sheokand and String, Binary Shuffle, Naive Chef
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Yet Again a Subarray Problem, Chef and a Beautiful Digit
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Sum and GCD
July Challenge 2019 Division 2
Parity Again, Circular Merging, Minimum and Maximum, Chef and Mean
November Challenge 2019 Division 2
Chef and Minimum Colouring, Weapon Value, Single Point of Failure, Hard Sequence, Physical Exercise, From Zero to Infinity
January Challenge 2020 Division 1
Chef and Dynamo, Doraemon
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
October Challenge 2020 Division 1
D-Dimensional MST, Replace for X, Positive AND
November Challenge 2020 Division 1
Restore Sequence, Scalar Product Tree, Unusual Queries
December Challenge 2020 Division 1
Hail XOR, Positive Prefixes, Even Pair Sum
Starters 66 Division 2 (Rated)
Sorting the Binary String, Good Binary Strings, Palindrome by Splitting, Connect All Cities, Palindrome In Making, Chef and Spice Grid, Just Like Mob!
