Honghua Dun

• Username: 1★skydec
• Country:  China
• Student/Professional:Student
• Institution:Shaoxing No.1 High School Zhejiang
• 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: 6

Current Ratings Graph Old Ratings Graph

1362 (-66)RatingProvisional
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June Challenge 2017(2017-06-12 15:00:00)

Global Rank:   7629

Cheated in:   

Ratings System Update

(2017-06-12 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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1362 (-77)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2017(2022-12-20 00:00:00)

Global Rank:   7629

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 (6)

February Challenge 2015

Chef and Equality, Chef and Chain

March Challenge 2015

Count Substrings, Chef and Notebooks, Devu and his Class, Matrix

August Challenge 2016

Chef and Circle Run, Chef and Chocolate, Chef and Round Run

December Challenge 2016

Train Partner, Bear and Three Colours, Our Base is Under Attack, Roses for Alexey, Kirito in labyrinth, Sereja and Increasing subsequence, Chef and Finding Direction, Kth Max Subarray

June Challenge 2017

Euler Sum

Total Problems Solved: 74