Junyuan Zhuang

• Username: 5★navi
• Student/Professional:Student
• Institution:Zhejiang University China
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 25

Current Ratings Graph Old Ratings Graph

2157 (-53)RatingProvisional
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September Challenge 2014(2014-09-15 15:00:00)

Global Rank:   1768

Cheated in:   

Ratings System Update

(2014-09-15 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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2157 (+393)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2014(2022-12-20 00:00:00)

Global Rank:   1768

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

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Practice Paths (0)

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Contests (25)

December 2010 Challenge

Odd Binomial Coefficients, Byteknights and Byteknaves, A String Game, The Hungry Bear

January 2011 Challenge

Restaurant Expansion, Chess Pushing Game, Flu Shot Lineup, Splitting Giant Subs, Count Relations

February 2011 Contest

Bogosort

August Long Contest 2011

Coloring in Hypercube, Infinite Grid Game

September Long Contest

Younger Brother, BIT Magazine

October Long Contest 2011

Dish Distribution, Lucky Palin, Repeated String, The Great Plain

November Long Contest 2011

Chefs new Pet, New Restaurant, The Postal Service, Stepping Average

December 2011 Long Contest

Robot Movings, Ciel and Eggs

December Cook-Off

Ciel and New Menu, Ciel and A-B Problem

January 2012 Challenge

Houses and Restaurants, Card Shuffle, Gap Filler Game, Lucky Sum

February 2012 Challenge

Box and Ball System, Lucky Count, Restore the Recipe, Can you do it better, Lucky Long, Word Couting, Count of Maximum

March 2012 Challenge

Free Shuttle Service, Xor it, Spoon in Matrix, Home Delivery, Lucky Number, Cosine Partition Function, Longest Weird Subsequence

April Challenge 2012

Parallel Computing, Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight

May Challenge 2012

A Home for Chef, Little Elephant and Median, Little Elephant and Boxes, Remember the recipe, Lucky lucky number, Jewels and Stones, Digits Forest, Divisible Pairs

May Cook-Off 2012

Little Elephant and Balance, Little Elephant and Swapping, Little Elephant and Strings

June Challenge 2012

Arranging Cup-cakes, Fly-overs, Doom Bakes Cakes, Little Elephant and Candies, Little Elephant and Product, Polynomial Partition Function

July Challenge 2012

Chef's Dream, My Fair Coins, The Gray-Similar Code, Gift Rift

August Challenge 2012

Little Elephant and Bombs, Lucky Driving, Block Game, Range of Data, Delivery Boy, Machine Gun

August Cook-Off 2012

Forced Output, Asmany Number Verification, Code Crazy Minions

September Challenge 2012

Lights, Kisses & Hugs, Chef World, Racing Horses, Queries About Numbers, ChefTown Parade, Three is Crowd

November Cook-Off 2012

Little Elephant and Permutations, Little Elephant and Divisors

February 2013 Challenge

Magic Board

August Challenge 2013

Sereja and Ballons

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

Chef and Rainbow Array - 2, Chef and sequence, Fun with Rotation

Total Problems Solved: 102