March Challenge 2018 DIV 2
Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minion Chef and Bananas
April Challenge 2018 Division 2
Weight of Numbers, Count Good Prefixes, Workers
July Challenge 2018 Division 2
Magic Set, Strike or Spare
August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
November Challenge 2018 Division 2
Chef and Ridges, Appy Loves One, Chef, Primes and Trees (Challenge), Chef and Difficult Contests, Chef and Happiness
India