November Challenge 2018 Division 2
Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Magician versus Chef 2, Chef and Difficult Contests, Chef and Happiness, Chef and Ridges
April Challenge 2019 Division 2
Fencing, Subtree Removal, Maximum Remaining, Friend or Girlfriend, Playing with Numbers, Kira Loves Palindromes
June Challenge 2019 Division 1
Lent Money, Chef and Ingredients, Chef and His Dish, Intersecting Paths, Sum and GCD, (Challenge) SnackDown 99
July Challenge 2019 Division 1
Hit the Coconuts, Guess the Prime!, Codechef War, Circular Merging
August Challenge 2019 Division 1
Chef and Gordon Ramsay, Maximize an Expression, Encoding, Guddu and his Mother, Dilemma
October Challenge 2019 Division 1
Even Edges, Chef and Maximum Star Value, Array Modification
November Challenge 2019 Division 1
Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, Single Point of Failure, (Challenge) Coloring Triangulations
April Challenge 2020 Division 1
Ready Bitwise, Leaked Answers (Challenge), Factor Tree, Perfect Power Divisors, Squared Subsequences, Strange Number
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference
SnackDown 2021 - Online Round 1A
Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
SnackDown 2021 - Online Pre-Elimination
Non-Decreasing Subsequence of size K, Product Pain, Guests like slippers
Vietnam