April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing, Kira Loves Palindromes
May Lunchtime 2019 Division 2 (Unrated)
Dummy Palindromic Strings, Grid Tour, Reverse Maximisation, CV
June Cook-Off 2019 Division 2
Drink Slush, Eat Twice, Ants and Anteaters, Multiple Choice Exam
July Challenge 2019 Division 1
Codechef War, Circular Merging
July Lunchtime 2019 Division 1 (Unrated)
Delete a Subarray, Professor on a Trip, Two-lane Road
August Challenge 2019 Division 1
Guddu and his Mother, Encoding, Tree Sequences, Dilemma, Maximize an Expression, Chef and Gordon Ramsay
Vietnam