Kevin Sun
- 7★ksun48
Canada- Student
- Massachusetts Institute of Technology Cambridge, Massachusetts, USA
- No Active Plan. View Details
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(2023-02-08 22:30:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (61)
September Long Contest
Younger Brother, BIT Magazine
October Long Contest 2011
Dish Distribution
September Cook-off
Hotel Bytelandia
November Cook-Off
Moving Coins, Subanagrams
December 2011 Long Contest
Robot Movings
February 2012 Challenge
Lucky Count, Lucky Long, Word Couting, Count of Maximum
February 2012 Cook-off
Daily Train
March Cook-Off 2012
Ciel Numbers I
April Challenge 2012
Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight
April Cook-Off 2012
Top Batsmen, Resistance
May Cook-Off 2012
Little Elephant and Balance, Little Elephant and Strings
June Challenge 2012
Little Elephant and Candies, Doom Bakes Cakes, Arranging Cup-cakes
July Challenge 2012
Chef's Dream, Gift Rift
December Challenge 2012
Granama Recipes, Magic Rankings, Pizza Delivery
February 2013 Challenge
Little Elephant and Cards, Buy1-Get1, Climbing Stairs
March Challenge 2013
Tourist Translations, Approximately, Fire Escape Routes
September Challenge 2015
Filling the maze, Chain of Doughnuts, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code
August Cook-Off 2016
Alice, Tweedle-Dee and Tweedle-Dum , Math Hatter, Mock Turtle, Queen of Hearts
August Lunchtime 2016
Studying Alphabet
September Mega Cook-Off 2019 Division 1
Angry Grandfather, Fitness Exercises
May Cook-Off 2020 Division 1
Chef, Chefina and Their Friendship, Chefland Squads and the Army Chief, Chefina on a Trip, Roads in Chefland, Curious Queries
July Cook-Off 2020 Division 1
What Is This, a Crossover Episode, MEX-ception, The In-XOR-able Task, Even-tual Reduction, OR-thodox Distinction, Path-etic Products, I Hate Symbo-LIS-m, Chef and Modular Sequence
October Challenge 2020 Division 1
Inversions, Positive AND, Random Knapsack, Rooted Minimum Spanning Tree, Replace for X, D-Dimensional MST, Compress all Subsegments, Adding Squares, Village Road Network
December Cook-Off 2020 Division 1
Mysterious Sequence, Self-Destructing Strings, Sed Passwords, On Graphs, Probability Theory and Cakes, Circle of Chaos, Carry All Fruits, Sweet Rectangles
January Cook-Off 2021 Division 1
Mex Subsequence, Not Too Colourful, Partition Ways, Prefix And, Common Ancestors, Equal Gifts
December Lunchtime 2020 Division 1 (Unrated)
K-Tuple Tree, Three Letters, One Zero Swaps
January Lunchtime 2021 Division 1 (Unrated)
Good Grid, Shifting Spoons, Dreams of Divisibility, Even Sum
October Cook-Off 2020 Division 1
Path-etic Sums, The In-XOR-able Task, Isomorphic Morphism, Yet Another Crossover Episode
November Cook-Off 2020 Division 1
Xor Counting, Flip the String, Chef and IPC Certificates, Graph Construction, Set Queries, Communication Channel, Hiring Workers
October Lunchtime 2020 Division 1
Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Chef and Edge Flipping, Counting Spaghetti, Cute Chef Gift
November Lunchtime 2020 Division 1
Gasoline, Rook Path, Fractions, Circle Coloring, Circle Eating
September Lunchtime 2020 Division 1
Permutation Split, Root the Tree, Robot Detector, Few Different Elements
February Lunchtime 2021 Division 1
Average Sorting, Sed Max, Chef and Reordering, Independent Set
March Lunchtime 2021 Division 1
Node Codon, Uniform, Binary Game, Lunchtime, Prime Cycle, Gamer
April Cook-Off 2021 Division 1
Array and Operations, Low Budget Sanitization, Tree Distances, OR of ANDs, Valet Parking, Deletion Sort
June Cook-Off 2021 Division 1
Binary String on Steroids, Battle Royale, Polynomial Root, Random Permutation
June Lunchtime 2021 Division 1
From Rational to Binary, Hidden Cell, Node Marking, Tic Tac Toe, Graph Count
July Cook-Off 2021 Division 1
Beautiful Subsequence, Mod Equality, A Special Tree 2, Hidden Colored Graph, Make the Matrix Beautiful
August Cook-Off 2021 Division 1
Odd Array, Different String, Chef 2 Chef, Interactive Equivalency, Clear the Array, Construct a String
August Lunchtime 2021 Division 1
Bunny Hops, Min-Max Path, Just a Graph, Longest Spanning Substrings, ABCD, Chef and Deque
September Cook-Off 2021 Division 1
Strange Queries, Chess Kings Chasing Game, Chef and Pairwise Distances, Permutation and GCD Set, Half Sequence, Fake Swaps
SnackDown 2021 - Online Qualifiers
Lucky Number
September Lunchtime 2021 Division 1
Range Array, Interesting Representation, Subsequence LCS, Alice vs Bob Faceoff, Yet Another Shortest Path Problem, Maximizing Minimum Segment Sum
October Cook-Off 2021 Division 1
Can You Reach The End, Second Player, Find the Modulus, Chef Up, Permutation Sorting Game
SnackDown 2021 - Online Round 1A
Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
SnackDown 2021 - Online Pre-Elimination
Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers, Mega mu - 1, Mega mu - 2, Guess the row
SnackDown 2021 - Online Elimination Round (Rated for all)
One Change Subsequences, Random Convex Hull, Graduate Work Matters, Sorting Segments, Sorter Prodigy
November Lunchtime 2021 Division 1
Min-Fund Country, Min-Max Rotations, Ghost Chase, Permutation Pairs, Subarray Jumps
SnackDown 2021 - Final Round
Ones Guessing, Equal Number of Prefix Maximums, Finally, Non Ad-Hoc Problem, AND of Maximums
December Cook-Off 2021 Division 1
Binary String Game, Destructive Nim, Tree and Brilliant Array, RGB Construction, Break the Balance
December Lunchtime 2021 Division 1
In-tree-active Node Coloring, Optimal Sorting, Counting manuls, Romantic Reversals, Sleep Technique , Point constraints
January Cook-Off 2022 Division 1
Unreasonable Updates, Subsegment Divisibility , Merged LIS, Boring Trip, Prime Graph, Beautiful Permutation, Erase All But One
January Lunchtime 2022 Division 1
Circular Permutation Recovery, Permutation XOR Sum, Permutation Deletion
February Cook-Off 2022 Division 1
Mex Pairs, Xor Becoming Uncanny, Perfect Permutation, PerMEXuation , Mango Market, Slingshot
February Lunchtime 2022 Division 1
Permutation Xor, Chef Cooks Permutation, Bracket Removal, Visit Them All, Magical Modulo, Magnet Sort
March Cook-Off 2022 Division 1
Secret Tree, Powers of 2, Dragonado And XOR, Flippable Points, Oh I Dont Care, Alternating Divisibility
April Cook-Off 2022 Division 1
Chef Goes Shopping, Sorted Distances, Distinct Integers, Sequence Cost, Max LCA Sum
May Cook-Off 2022 Division 1 (Rated)
Split Powers Of 2, Make Grid Comparable, Different Subarrays Rearrange, Triple Inversions
May Lunchtime 2022 Division 1 (Rated)
Balanced 0-1 Tree, Equal After And, Rearrange Ranges, Smallest Element In Progression
June Cook-Off 2022 Division 1 (Rated)
Permutation Segments, Throw and Take, Simple XOR, Place Balls Twice, Prefix Suffix Distinct, Split AND Sum, Max Minus Min
June Lunchtime 2022 Division 1 (Rated)
The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Minimum Xor On Segment, XOR, The Detective, SPLIT With XOR Not X, Increase to Zero
July Lunchtime 2022 Division 1 (Rated)
Tree Retrieval, Binary String Happiness, Consecutive XOR, Largest Family
August Lunchtime 2022 Division 1 (Rated)
Sort the Array, Tree Coloring, Subtract 12 Operation, Maximal Prefix After Flip, Mex On Subtrees, MEX Permutation Difference
September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)
Increasing Addition, Remove Numbers, Adjacent Pairs, Where Is the Root, Longest Unfriendly Subsequence
February Cook-Off 2023 Division 1 (Rated)
Take Not Less, Alice Potter and OWL, Crazy Row, Alice Potter And Dumbledore Army