Black

• Username: 3★blackgold
• Country:  India
• Student/Professional:Student
• Institution:Stanford University Stanford, California, USA
• 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

1779 (+5)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 1(2020-12-14 15:00:00)

Global Rank:   536

Cheated in:   

Ratings System Update

(2020-12-14 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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1779 (-111)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   536

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 (5)

October Challenge 2019 Division 2

Chef and Maximum Star Value

March Challenge 2020 Division 2

Chef and DAG, XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

Factor Tree, COVID Pandemic and Long Queue, Leaked Answers (Challenge), Sell All the Cars, Unit GCD, Ready Bitwise, Perfect Power Divisors, Squared Subsequences, Strange Number

November Challenge 2020 Division 1

Restore Sequence

December Challenge 2020 Division 1

Hail XOR, Calculus, Positive Prefixes, Even Pair Sum

Total Problems Solved: 22