DONG Kefan

• Username: 2★iamdkf
• Student/Professional:Student
• Institution:Fuzhou No.1 High School 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: 4

Current Ratings Graph Old Ratings Graph

1583? (-177)RatingProvisional
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April Challenge 2016(2016-04-11 17:00:00)

Global Rank:   5024

Cheated in:   

Ratings System Update

(2016-04-11 17:00:00)

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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1583 (-50)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2016(2022-12-20 00:00:00)

Global Rank:   5024

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 (4)

July Challenge 2014

Sereja and Equality

September Challenge 2014

Factorisation, Sereja and Bubble Sort, Chef and Rainbow Array - 2, Chef and Swaps, Chef and Left-Right, Chef and sequence, Rectangle Query, Fun with Rotation, Flooring

December Challenge 2014

Chef Under Pressure, Course Selection, Sereja and GCD

April Challenge 2016

Mario and Luigi

Total Problems Solved: 14