Hayden How

• Username: 1★haydendoo
• Country:  Singapore
• Student/Professional:Other
• 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: 5

Current Ratings Graph Old Ratings Graph

1331 (+16)RatingProvisional
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March Long One 2022, Division 3 (Rated)(2022-03-14 15:00:02)

Global Rank:   2894

Cheated in:   

Ratings System Update

(2022-03-14 15:00:02)

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1331 (-145)RatingProvisional
Rating i Provisional Rating, click to know more

March Long One 2022, Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   2894

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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Contests (5)

December Challenge 2021 Division 3 (Rated)

Check Mate, Utkarsh and Placement tests

December Cook-Off 2021 Division 3

Two Rooks, Friends Meetup

Infinity 2k21 Division 3 (Rated)

Marbles, The Squid Game, Red Light, Green Light

January Long 2022 - II, Division 3 (Rated)

TCS Examination

March Long One 2022, Division 3 (Rated)

Akash and Function, Substring of a Substring, Akash and Missing Class, Wordle

Total Problems Solved: 16