June Cook-Off 2018 Division 2
Archi and Comparsion, Good Permutations
July Cook-Off 2018 Division 2
Encoding Message, OR Matrix
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs
June Challenge 2018 Division 2
Naive Chef, Binary Shuffle, Sheokand and String, Vision
July Challenge 2018 Division 2
Magic Set, Strike or Spare
August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
January Challenge 2020 Division 1
Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums
India