Ruoxi Chen

• Username: 5★gxnncrx1993
• Country:  China
• Student/Professional:Student
• Institution:Nanjing University
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 18

Current Ratings Graph Old Ratings Graph

2038 (+53)RatingProvisional
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February Challenge 2015(2015-02-16 15:00:00)

Global Rank:   111

Cheated in:   

Ratings System Update

(2015-02-16 15:00:00)

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2038 (+106)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2015(2022-12-20 00:00:00)

Global Rank:   111

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 (18)

February Cook-Off 2013

Row and Column Operations

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, 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, Name Reduction, Your Name is Mine

June Challenge 2013

Lapindromes

July Challenge 2013

Mountain Holidays, Galactik Football, The Probability Of Winning, Chef and Walking on the rectangle , Count K-Primes, Sereja and Sorting, Circle of death

August Challenge 2013

Hello Hello, Splitting Candies, Deleting numbers, Chef and Segments, Save The Princess, Little Elephant and Lemonade, The Number Of Solutions

August Lunchtime 2013

Pairwise AND sum, Matrix

September Challenge 2013

CAO Stage-1, CAO Stage-2, Project Spoon, Chef and Integers , Cool Guys, Little Elephant and Exams

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Yet Another Nice Girl

November Challenge 2013

Superpowers of 2, Missing some chairs, Square Digit Squares, Yet Another Cute Girl, Uncle Johny

November Cook-off 2013

Am I a Fibonacci Number, Lowest Sum, Number of Paths, Rank of the Number

December Challenge 2013

Magic Pairs, Rectangular Queries, Reign, Funny Marbles, Chef and Codes, Cube Cakes

January Challenge 2014

Magic Trick, Sereja and Graph, Please like me, Chef and Feedback

March Challenge 2014

Binary Tournament, Mike and Stamps, Little Chef and Numbers, Maximum number, GCD condition, Walk, Team Split

May Challenge 2014

Little Elephant and Balloons, Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

July Challenge 2014

Lucky Game

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

Total Problems Solved: 84