Luyang Ji

• Username: 5★juang
• Country:  China
• Student/Professional:Student
• Institution:Home Schooling
• CodeChef Pro Plan: No Active Plan. View Details

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

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No. of Contests Participated: 6

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2167 (+130)RatingProvisional
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CodeChef Starters 24 Division 2 (Rated)(2022-02-02 23:00:02)

Global Rank:   9

Cheated in:   

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(2022-02-02 23:00:02)

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2167 (+55)RatingProvisional
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CodeChef Starters 24 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   9

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?

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Contests (6)

CodeChef Starters 11 Division 3 (Rated)

Find the Direction, Obtain the Sum, The Two Dishes, The Grid Fill Problem

CodeChef Starters 16 Division 2 (Unrated)

Professor And Directions, Chef and Magical Steps, Subarray Sum

CodeChef Starters 18 Division 2 (Unrated)

Weird GCD Value, Palindromic Binary Numbers, Expectations on a Permutation, Compare those strings, Make them equal

FizzBuzz Division 2 (Rated)

Magical Planks, Kingdom Attack, Can_Reach, Substring Minimum Function, Clean The Sequence

CodeChef Starters 23 Division 1 (Unrated)

Average of Three, Chef and Profits, Subarray Mex, Maximising Vacations, Non Zero Subarray Xor

January Lunchtime 2022 Division 1

Subarray permutations, Permutation XOR Sum, Chef and Lockout Draws, Prefix Zeros, Chef and Subset Additions

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Special String, Divisors and Reciprocals, Yet Another Constructive Problem

CodeChef Starters 31 Division 1 (Unrated)

Sign Moves, Economics Class, Group Assignment, The Unchanging OR, Mexy Array, Cup Finals, Alternating String, XOR and AND

CodeChef Starters 32 Division 1 (Unrated)

Course Registration, Binary String Cost, Flip Sorting, Training Plans, Volume Control, Maximize the Minimum, Finding Shoes

CodeChef Starters 33 Division 1 (Unrated)

Max BIT Sum, Stable Mex, Distinct Dilemma, Broken Life, The Cheaper Cab, Monthly Budget, Minimum Cars required, Non Adjacent Flips, Make Them Equal

CodeChef Starters 34 Division 1

Expiring Bread, Good Permutation, Positive Products, Good Quality Bulbs, Count The Arrays, Binary String Xor, Average Array, Binary Mismatch, Is the Score Consistent

Starters 36 Division 1(Unrated)

Chef and Chapters, Chef and Bird farm, All Roads Lead To Rome, Presents for Cheffina, Who is taller!, Reduce to 1, Buying Sweets, Valentine Vex

Starters 37 Division 1 (Unrated)

Remove Balance, Dazzling Even-Odd Challenge, The Mango Truck, Roller Coaster, Beat the Average, Laptop Recommendation , Infernos, Maximum OR Minimum, Too Mean

Total Problems Solved: 137