He Xuan

• Username: 4★standy
• Student/Professional:Student
• Institution:University of Electronic Science and Technology of China Chengdu, China
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 2

Current Ratings Graph Old Ratings Graph

1897? (+180)RatingProvisional
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The January 2011 Cook-Off(2011-01-24 00:00:00)

Global Rank:   46

Cheated in:   

Ratings System Update

(2011-01-24 00:00:00)

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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1897? (+173)RatingProvisional
Rating i Provisional Rating, click to know more

The January 2011 Cook-Off(2022-12-20 00:00:00)

Global Rank:   46

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 (2)

December 2010 Challenge

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

The January 2011 Cook-Off

Holes in the text, Chef team, Whole submatrix

Total Problems Solved: 10