hanfei

• Username: 4★hanfei19910905
• Student/Professional:Student
• 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: 3

Current Ratings Graph Old Ratings Graph

1814? (-89)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2013(2013-04-15 15:00:00)

Global Rank:   1566

Cheated in:   

Ratings System Update

(2013-04-15 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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1814? (+124)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2013(2022-12-20 00:00:00)

Global Rank:   1566

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 (3)

September Cook-off

Last Digit Sum, Digit Rotation, Hotel Bytelandia

March Cook-off 2013

The Ball And Cups, Palindrome

April Challenge 2013

Maximum Weight Difference, Levy Conjecture

Total Problems Solved: 10