January Challenge 2018
Rectangle, Maximum Score, Partition the numbers
February Challenge 2018
Chef And His Characters, Car-pal Tunnel, Permutation and Palindrome
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs
June Challenge 2018 Division 2
Binary Shuffle, Naive Chef
July Challenge 2018 Division 2
Magic Set, Strike or Spare
August Challenge 2018 Division 2
Problem Sort, Spell Bob, Sheokand and Number, Modular GCD
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures, Bad Shuffle
November Challenge 2018 Division 2
Chef and Ridges, Appy Loves One, Magician versus Chef 2, Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 2
Byte to Bit, Chef and Serves, Minimize Digitsum
January Challenge 2019 Division 1
Different Neighbours, Distinct Pairs
February Challenge 2019 Division 2
Manhattan Rectangle, Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
May Cook-Off 2019 Division 2
Chain Reaction, Recover the Sequence
June Challenge 2019 Division 2
Chef and Proxy, Sum and GCD, Chef and Ingredients, Guddu on a Date, Lent Money, Road Signs
December Challenge 2019 Division 2
Chefina and Ranges, Plus Multiply, Binary XOR, Easy Subsequence Selection, Sticky Notes, That Is My Score!, Addition
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