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Programming and DSA

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Practice Compete Compiler
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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » Kevin Sun
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Kevin Sun

  • 7★ksun48
  •   Canada
  • Student
  • Massachusetts Institute of Technology Cambridge, Massachusetts, USA
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 61
3210 (-33)RatingProvisional
Rating i Provisional Rating, click to know more
February Cook-Off 2023 Division 1 (Rated)(2023-02-08 22:30:00)
Global Rank:   12
Cheated in:   

Ratings System Update

(2023-02-08 22:30:00)
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3243 (+43)RatingProvisional
Rating i Provisional Rating, click to know more
September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)(2022-12-20 00:00:00)
Global Rank:   1
Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)
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Learning Paths (0)

None

Practice Paths (0)

None

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

Total Problems Solved: 304

3210
(Div 1)
★★★★★★★
CodeChef Rating (Highest Rating 3243)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

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