June Challenge 2017
Chef and Prime Queries, A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
October Mega Cook-Off 2018 Division 2
Ada and the Staircase, Pumping Water
November Challenge 2018 Division 2
Chef and Happiness, Chef and Difficult Contests
October Challenge 2018 Division 2
Appy and Balloons , Chef and Serves, Byte to Bit
May Cook-Off 2019 Division 2
Chain Reaction, Misha and Nice Sets, Recover the Sequence, Searching for a Biclique
July Challenge 2019 Division 2
Minimum and Maximum, Chef and Mean , Circular Merging, Parity Again, Guess the Prime!, Hit the Coconuts, Codechef War
May Challenge 2020 Division 1
Triple Sort, Chef and Bitwise Product
August Challenge 2020 Division 1
Chef and Wedding Arrangements, Chef Thanos Wants Perfect Balance, Smallest KMP, Precious Stones , Subsequence Frequency Counting, Insanely Hard School Exams, Chefina and Strange Tree
September Challenge 2020 Division 1
Chefina and Swap, Chef and Trump Cards, Find XOR, Ada Matrix
July Cook-Off 2020 Division 1
The In-XOR-able Task, Path-etic Products, OR-thodox Distinction, Even-tual Reduction
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference
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