February Challenge 2018
Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome, Chef And His Characters
April Challenge 2018 Division 2
Count Good Prefixes, Average of Pairs, Workers
July Challenge 2018 Division 2
Strike or Spare, Magic Set
August Challenge 2018 Division 2
Problem Sort, Sheokand and Number, Spell Bob
January Challenge 2019 Division 2
Lucky Number Game, Fancy Quotes
September Challenge 2019 Division 2
Chef and Good Subsequences, Easy Fibonacci, Chef and Interesting Subsequences
India