William Tsin

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 11 Division 3 (Rated)

Positive Spewing, ATM Queue, The Grid Fill Problem, Find the Direction, Obtain the Sum, The Two Dishes, A Counting Problem

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, MEX-OR

SnackDown 2021 - Online Round 1A

Dance Moves, Min Max LCM

November Challenge 2021 Division 2 (Unrated)

Flip or Compress, Wildcard Replacement, Xor Equation, Weird Palindrome Making, Hill Sequence, Equal Coins, Maximise the bridges

November Cook-Off 2021 Division 2

Product Pain, Missing Sums, Make it Divisible

CodeChef Starters 17 Division 2 (Rated)

Binary Inversion, GCD of Prefixes, String Game, Partition It, Find the Special Node, New Piece

CodeChef Starters 20 Division 1 (Unrated)

Stable Sequence

November Lunchtime 2021 Division 2

Expected Weight, Subarray Jumps, Strange Minimization, Rapid Re-Orderings

December Challenge 2021 Division 1 (Unrated)

Utkarsh and Placement tests

December Lunchtime 2021 Division 1

In-tree-active Node Coloring, Optimal Sorting, Romantic Reversals, Sleep Technique

January Long 2022 - I, Division 1 (Unrated)

Chef and Riffles

February Long 2022 - I, Division 1 (Unrated)

Digit Multiplication By K, Binary Base Basics, Bitwise Blend, Remove Adjacent

February Long 2022 - II, Division 1 (Unrated)

Xor Palindrome

CodeChef Starters 27 Division 1 (Unrated)

String Reverse, Or Sum, And Equals Or, Non Coprime Neighbours

CodeChef Starters 28 Division 1 (Unrated)

Travelling in the Graph, Permutation Xority

March Long One 2022, Division 1 (Unrated)

Subarray XOR, Substring of a Substring, Exact Marks

CodeChef Starters 30 Division 1 (Unrated)

Minimum Coloring, Maximizing LIS, Gift Shop and Coupon, Balanced Reversals

CodeChef Starters 33 Division 1 (Unrated)

Max BIT Sum, Stable Mex, Array operations, Distinct Dilemma, Broken Life, The Cheaper Cab, Monthly Budget, Minimum Cars required, Non Adjacent Flips, Make Them Equal

May Cook-Off 2022 Division 1 (Rated)

Split Powers Of 2, Different Subarrays Rearrange, Triple Inversions

Starters 40 Division 1 (Unrated)

Or Permutation, Good Pairs

June Cook-Off 2022 Division 1 (Rated)

Throw and Take, Simple XOR, Prefix Suffix Distinct, Split AND Sum

Starters 42 Division 1 (Unrated)

Sorting Array, Maximise Set Bits , Minimum or Maximum

June Long One 2022 Division 1 (Unrated)

Full Path Eraser, Chairs Requirement, Subscriptions, Divisible by i , Possible GCD, Alternate Additions, Equal Strings

Starters 44 Division 1 (Unrated)

Palindromes Not Allowed, Alternating Strings, Atleast and Atmost, Dense Bracket Sequence

July Long One 2022 Division 1 (Unrated)

Largest Square in the garden, Bidding, Expected Difference, Game of Piles Version 1, Game of Piles Version 2, Find A, B, C, Pass the Exam, Chef and Candies

Starters 47 Division 1 (Unrated)

Copy and Push Back, Similar Heights

Starters 57 Division 1 (Unrated)

Alice and Marks, Integers that sum to the same value, Tree and Divisors, Delicious Queries, Maximum Expression, Even Splits, Non-Negative Product, Two Different Palindromes

Starters 65 Division 1 (Rated for 5 & 6 stars)

Nahaane Jaa, Paisa Double, Binod, Gormint Aunty, Potato to Gold, Lazy Ancestors

Starters 101 Division 1 (Unrated)

Minimize Xor Difference, Split and ADD, Snakes on a Grid, Partially Increasing Array Queries, Warrior Chef, Work Smarter, Not Harder, Lockpicking Chef, Off By One

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