Justxu

• Username: 3★justxu
• Student/Professional:Student
• Institution:East China Jiaotong 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: 14

Current Ratings Graph Old Ratings Graph

1779 (-36)RatingProvisional
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March Challenge 2015(2015-03-16 15:00:00)

Global Rank:   2489

Cheated in:   

Ratings System Update

(2015-03-16 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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1779 (+234)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   2489

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 (14)

September Challenge 2013

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

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Kamehameha

November Challenge 2013

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

December Challenge 2013

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

January Challenge 2014

Bon Appetit, Please like me, Chef and Feedback

April Challenge 2014

Farmer Feb, Chef and Digits, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Stone, Chef-jumping, Chef and Strange Matrix

July Challenge 2014

Garden Game, Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner

August Challenge 2014

Chef and Gift, Cleaning Tables, The Leaking Robot, Chef and Reversing, Little Elephant and T-Shirts

September Challenge 2014

Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation

October Challenge 2014

Remy paints the fence, Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Let us construct palindrome

December Challenge 2014

Chef and Apple Trees

March Challenge 2015

Chef and Notebooks

Total Problems Solved: 63