Chen Jiyuan
- 5★wcwswswws
China- Professional
- No Active Plan. View Details
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Ratings System Update
(2021-05-17 15:00:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (51)
November 2010 Challenge
Randomly Testing Circuits, Bombing, Chefs Bad Day, Renting Spare Oven Time, Balanced Walks
December 2010 Challenge
Delivering Bread, The Hungry Bear, Odd Binomial Coefficients, Byteknights and Byteknaves, A String Game
March 2011 Challenge
K-Unique Sequence, Squares Game, Omax, The Amazing All-In-One Cooking Machine - Challenge
May Long Contest 2011
Pruning Trees, Tree Product, The Great Wall of Byteland, Bickering Cooks
July 2011 Long Contest
Large Kitchen, A-E Hash Function, Most Popular Friend
August Long Contest 2011
Coloring in Hypercube, Infinite Grid Game, Shortest Circuit Evaluation, Block Drop, Complex Spanning Tree
November Long Contest 2011
Chefs new Pet, New Restaurant, The Postal Service, Stepping Average
December 2011 Long Contest
Birthday Gift, Robot Movings, Ciel and Eggs, Spinning Wheels
January 2012 Challenge
Ambidextrous Chefs, Houses and Restaurants, Gap Filler Game, Lucky Sum, Card Shuffle
February 2012 Challenge
Lucky Count, Lucky Long, Word Couting, Count of Maximum
February 2012 Cook-off
Daily Train
March 2012 Challenge
Longest Weird Subsequence, Lucky Number, Free Shuttle Service, Home Delivery, Spoon in Matrix
March Cook-Off 2012
Ciel Numbers I, Ciel Numbers II
April Challenge 2012
PDS Number, Lucky Array, Parallel Computing, Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight, Similar Graphs
June Challenge 2012
Polynomial Partition Function, 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, Block Game, Range of Data, Delivery Boy, Machine Gun
July Cook-Off 2012
Ciel and Receipt, Ciel and Map, Ciel and Tomya
September Challenge 2012
Simultaneous Nim, Lights, Kisses & Hugs, Chef World, Racing Horses, Queries About Numbers, ChefTown Parade, Three is Crowd
October Challenge 2012
Little Elephant and Order, Fierce Battles, Event Organizer, Maximum Sub-rectangle in Matrix, Blade Master, The New Scheme, Need More Diamonds
December Challenge 2012
Sereja and Data Structures , Granama Recipes, Arigeom Beats, Book Exercises, Magic Rankings, Different Trips, The Uncountable Ways, Pizza Delivery, WordNinjas
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
May Challenge 2013
Matchsticks, Witua and Math, Password Cracking Challenge, Juno Puzzle for May, Name Reduction, Your Name is Mine, Field Trip
January Challenge 2014
Magic Trick, Sereja and Graph, Counting D-sets, ForbiddenSum, Meteor, Byteland Tours, Bon Appetit, Please like me, Chef and Feedback
March Challenge 2014
Sereja and Sorting 2, Team Split, Binary Tournament, Walk, Maximum number, GCD condition, The Street , Little Chef and Numbers, Mike and Stamps, A Story with Strings
April Challenge 2014
Sereja and Permutation, 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, Fun with AGp, 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, Two Companies, Guessing Game, Forgot Password
July Challenge 2014
Little Elephant and Painting, Garden Game, Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner
September Challenge 2014
Factorisation, Chef and Rainbow Array - 2, Chef and Swaps, Chef and Left-Right, Chef and sequence, Fun with Rotation, Flooring
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, The Spelling Problem
December Challenge 2014
XOR with Subset, Chef and Apple Trees
January Challenge 2015
Queries on the String, Sereja and Number Division 2, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries
April Challenge 2015
Count Sequences, Chef and Array, Chef and Interview, Broken Telephone, Inversion sorting, Division of Lands, Chef and Piano Scales
September Challenge 2015
Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code
December Challenge 2015
Chef and cinema, Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters, Chef and Girls, Tanks
April Challenge 2016
Amazing Experiment, Help Watson Escape, Fibonacci Queries, Chef and Ballons, Devu and good strings, Chef And Magical Path, Chef And Coloring, Game of snakes on a grid
May Challenge 2016
Sereja and GCD 2, Easy Queries, Chef and math, Chef and Balls, Forest Gathering, Chef and Amazingness of Numbers, Chef and Big Soccer, Laddu
July Challenge 2016
Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and special numbers, Chef and Robots Competition, Chefland and Electricity, Scheduling jobs on a cluster
August Challenge 2016
Chef and His Garden, Fighting Ebola, 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
April Challenge 2017
Chef and Divisor Tree, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
January Lunchtime 2018
Chef and Game with Sequence, Chef and Average on a Tree, Chef and Escaping from the Labyrinth
February Challenge 2018
Broken Clock, Lucas Theorem, Chef And Land Labeling, Chef And His Characters, Chef And The Patents, Chef and odd queries, Points Inside A Polygon, Car-pal Tunnel, (Challenge) Biased Committee, Permutation and Palindrome
December Challenge 2018 Division 1
(Challenge) Delete DAG, Max and Electrical Panel, Directing Edges, Chef and Interactive XOR
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Distinct Pairs, A Pizza Slice
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Ready Bitwise, Leaked Answers (Challenge)
December Challenge 2020 Division 1
Hail XOR, Positive Prefixes, Even Pair Sum
March Challenge 2021 Division 2
Interesting XOR!, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays, Maximum Topological Sort
May Challenge 2021 Division 2 (Rated)
Valid Paths, Tree House, Xor Equality, Tic Tac Toe, Modular Equation
June Challenge 2021 Division 2 (Unrated)
Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat, Optimal Xor Set, Minimum Subtree Cover
SnackDown 2021 - Online Qualifiers
Lucky Number
SnackDown 2021 - Online Round 1B
Queens Placement , Largest Laddu, Help Nishant