Leung Arvin

March Long One 2022, Division 4 (Rated)

Subarray XOR, Substring of a Substring, Akash and Missing Class, Exact Marks, Discus Throw, Bath in Winters, Wordle, Akash and Function

Starters 67 Division 4 (Rated)

Musical Rods, Existence Of X, Count Number Of Pairs, Tour of King, Counting Problem, Minimum Number of Ones, Expensive Steps , Maximum Angriness

Starters 72 Division 2 (Rated)

XOR Tree, No sequence, Max Graph, Good Sequence, N Triplets, Good Arrangement

February Cook-Off 2023 Division 1 (Rated)

Take Not Less, Alice Potter and OWL, Alice Potter and Wingardium Leviosa, Crazy Row, Alice Potter And Dumbledore Army

Starters 89 Division 1 (Rated till 5 Stars)

Tree Queries, Evil Infection, Restore Communication, Two Averages, Subarray Removal, Positive or Negative Subarrays

Starters 93 Division 1 (Rated for All)

Thank U, Next, Why Try, Positions, NASA, Greedy, Bloodline, Motive

Starters 113 Division 1 (Rated)

Maximum Score , Score Sum, Make All Equal, Maximise The Minimum, Counting Is Fun, Count Distinct Arrays, Minimise Maximum Subarray Sum

Starters 115 Division 1 (Rated)

Delete The Array, Subtraction Sequence I, Subtraction Sequence II, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero, Counting Is Fun

Starters 116 Divison 1 (Rated till 6-Stars)

Chile

Starters 126 Division 1 (Rated till 6 Stars)

Freedom, Uncommon Cycles, LCD

Starters 161 (Rated)

Red-Blue Sort, The XOR Machine, One To Three, Quick Exit

Starters 173 (Rated upto < 2700)

Overwrite, Time Penalty, Min-Max Product Partition, Postman and LLM, Cool Subsequences, Cool Checker

Starters 184 (Rated till 5 star)

Second MEX, Subtree XOR Counting, Adjacent OR, Front or Back, Double or Append

Starters 186 (Rated till 6 star)

Lighthouses, Distinct Arrays , Segment Tree Reconstruction, Mod and Make Y

Starters 199 (Rated till 5 star)

Fence Colouring, Grid MEX, Perfect Ranges

Starters 200 (Rated for all)

Permutation Counting (Easy), Lexicographic Matching, Minimum Set, Restrict Palindromes

Starters 206 (Rated till 5 star)

Cyclic Shift Minimization, MEX Tree, Product Equal Sum, Min Steps, Gladiator Fighting

Starters 208 (Rated till 6 star)

XOR Sorting, GCND, Cycle and Add

Problems Authored (2)

Problems Tested (0)

No Contribution

Editorials Contributed (0)

No Contribution