Yuehang Chen
- 5★kennethsnow
United States- Professional
- Microsoft
- No Active Plan. View Details
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Ratings System Update
(2024-04-10 22:00:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (69)
May Cook-off 2011
Popular Rice Recipe
May Challenge 2012
Killing Gs, Jewels and Stones, Lucky lucky number, Divisible Pairs, Remember the recipe, A Home for Chef
June Challenge 2012
Little Elephant and Product, Little Elephant and Candies, Doom Bakes Cakes, Arranging Cup-cakes
July Challenge 2012
Favourite Numbers, Chef's Dream, My Fair Coins, The Gray-Similar Code, Little Elephant and Bubble Sort, Gift Rift, Restaurant Rating
August Challenge 2012
Little Elephant and Bombs, Lucky Driving, Range of Data, Delivery Boy
December Challenge 2012
Sereja and Data Structures , Granama Recipes, Arigeom Beats, Book Exercises, Magic Rankings, The Uncountable Ways, Pizza Delivery, WordNinjas
January Challenge 2013
Little Elephant and Alcohol, The Minimum Number Of Moves, End Of The World, Chef of the Year, Three Different Numbers
February 2013 Challenge
Little Elephant and Cards, Buy1-Get1, Magic Board, Triangular Queries, Climbing Stairs, Word Play, Efficient Painting
March Challenge 2013
Random decreasing function, Tourist Translations, Approximately, Fire Escape Routes, Minesweeper
March Cook-off 2013
The Ball And Cups, Palindrome, Traveling Plan, Level Of Difference
April Challenge 2013
Little Elephant and Music, Barcelona Gameplay Tactics, ChefGame, Kingdom Unity, Fault Tolerance, Maximum Weight Difference, Levy Conjecture
April Cook-Off 2013
Andrew and the Meatballs, Andrew and the Strings, Andrew and the Meatballs again
May Challenge 2013
Matchsticks, Witua and Math, Juno Puzzle for May, Name Reduction, Your Name is Mine, Field Trip
June Challenge 2013
Collecting Magical Berries, Just Some Permutations 3, Dessert Wizard, Predictopus, Lapindromes
July Challenge 2013
Mountain Holidays, Galactik Football, The Probability Of Winning, Chef and Walking on the rectangle , Count K-Primes, Circle of death
August Challenge 2013
Little Elephant and Lemonade, Music & Lyrics, Hello Hello, Save The Princess, The Number Of Solutions, Chef and Segments, Sereja and Ballons, Deleting numbers, Prime Distance On Tree, Splitting Candies
August Lunchtime 2013
Pairwise AND sum, Matrix
September Challenge 2013
Little Elephant and Exams, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2
October Lunchtime 2013
Girl Friend and String Gift, Combinatorial Numbers, Exponential Game, Chefs in Queue
November Challenge 2013
Chef Game, Superpowers of 2, Yet Another Cute Girl, Sereja and Vectors, Uncle Johny, Square Digit Squares, Missing some chairs
November Lunchtime 2013
Lucy and the Number Game
December Challenge 2013
Lucy and the Flowers, Art in Digital Age, Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries, Query on a tree VI
January Challenge 2014
Magic Trick, Sereja and Graph, Meteor, Bon Appetit, Please like me, Chef and Feedback
January Cook-off 2014
Chef and the Cake I, Subtraction Game, Interrogating Gangsters
March Cook-Off 2014
Game of Divisors, ABC-Strings, 3-Palindromes, Dividing Stamps
September Cook-Off 2014, ACM-ICPC Warm up
Sherlock and the Grid, Subarray GCD, Subarray LCM, World War 2, Updating Edges on Trees
February Challenge 2014
Little Elephant and Movies, Make Him Happy, Chef and Favourite Sequence, Longest Common Pattern, Little Elephant and Subarrays, Colored Array
March Challenge 2014
Sereja and Sorting 2, Team Split, Binary Tournament, Walk, Maximum number, GCD condition, Little Chef and Numbers, Mike and Stamps, A Story with Strings
April Challenge 2014
Counting Matrices, Farmer Feb, Cards, bags and coins, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees
May Challenge 2014
Little Elephant and Balloons, Sereja and Game, Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone
June Challenge 2014
Little Elephant and Blocks, Maxim and Progressions, Chef and Functions, Chef and Digit Jumps, Chef and Subarray, Guessing Game, Forgot Password
July Challenge 2014
Little Elephant and Painting, Garden Game, Chef and Frogs, Sereja and Equality, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner, Lucky Game, Game of Numbers
August Challenge 2014
Mountain Holidays 2, Little Elephant and T-Shirts, Chef and Reversing, The Leaking Robot, Earthquake, Cleaning Tables, Chef and Gift
September Challenge 2014
Factorisation, Sereja and Bubble Sort, Chef and Rainbow Array - 2, Chef and Swaps, Chef and Left-Right, Chef and sequence, Rectangle Query, Fun with Rotation, Flooring
October Challenge 2014
Remy paints the fence, Chef and Ground, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus
November Challenge 2014
Chef and Segment Game, Chef and Words, Fombinatorial, Sereja and Permutations, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, Chef and Churu
December Challenge 2014
Chef and Bracket-Pairs, XOR with Subset, Chef and Apple Trees
January Challenge 2015
Queries on the String, Sereja and Number Division 2, Chef and A Large Permutation, Sereja and LCM, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Xor Queries, Ranka, Gcd Queries
February Challenge 2015
Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Xor Matrix, Chef and Equality
March Challenge 2015
Count Substrings, Chef and Notebooks, Chef and Problems, Devu and his Class, Sign Wave, Matrix
April Challenge 2015
Count Sequences, Chef and Array, Chef and Interview, Broken Telephone, Inversion sorting, Division of Lands, Chef and Piano Scales, Devus and their voting system
May Challenge 2015
Devu and his three Hands, Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe, Chef and Balanced Strings, Chef and Cake, Special Economic Zone
June Challenge 2015
Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons, Chef and String
July Challenge 2015
Addition and Multiplication, Maximum Difference Walk, Sereja and Game 2, Bread, MasterChef, Na2a and lucky stone, Chef and Cube, Rohith and Circles
August Challenge 2015
Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia
September Challenge 2015
Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Cyclic shifts in permutation, Rupsa and Equilateral Triangle, Misha and Gym, LCM equation, Jump mission, Efficient Delivery
November Challenge 2015
Ingredients, Receipt Recovery, Chef and collection of stamps, Eugene and function, Simple Sum, Chef and cakes, Period on tree
December Challenge 2015
Chef and cinema, Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters, Chef and Girls
March Cook-Off 2015
How to Minimize a String, How to Write a Message, How to Repaint a Fence
May Cook-Off 2015
Devu, his friends and birthday gifts, Devu and friendship testing, Devu and decorating birthday cake, Devu and most energetic minion
January Long Challenge 2016
Sereja and Salesman, Chef and Inflation, Rupsa and the Game, Churu and Balls, Chef and Making Triples, Asteroids, Cyclist Race, Dai Ma Chu Shi, Chef and Time Machine, Devu and Perfume
February Challenge 2016
Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective
May Challenge 2016
Sereja and GCD 2, Chef and math, Forest Gathering, Chef and Amazingness of Numbers, Chef and Big Soccer, Laddu
June Challenge 2016
Chef And The Hiring Event, Chef and Rectangle Array, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Devu and an Array
August Challenge 2016
Chef and His Garden, Chef and Circle Run, Chef and Chocolate, Chef and Round Run, Funny gnomes, Maximum Grid
September Challenge 2016
Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation
November Challenge 2016
Count Permutations, Friends Meeting, Urban Development, Gift and Chef, Chef and squares, Task for Alexey
December Challenge 2016
Train Partner, Kirito in labyrinth, Our Base is Under Attack
February Challenge 2017
Eugene and big number, Chef and Triangles, Chef and His Apartment Dues
March Challenge 2017
Cooking Schedule, Completing favorite game, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, Bandwidth of a matrix
May Challenge 2017
Chef and Sub Array , Long Sandwich , Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences
October Challenge 2017
Max Mex, Counter Test For CHEFSUM, A Balanced Contest
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
February Challenge 2018
Broken Clock, Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome
December Challenge 2018 Division 1
Max and Electrical Panel
February Challenge 2019 Division 2
Manhattan Rectangle, Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance, Deputy Chef
December Challenge 2019 Division 1
Binary XOR, Addition
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Min Max LCM
Starters 129 Division 1 (Rated till 5-Stars)
Palindromic Substrings, ConstructXor