Black

• Username: 2★black_soul
• Country:  India
• Student/Professional:Student
• Institution:Saint Petersburg National Research University of Information Technologies, Mechanics and Optics
• 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: 6

Current Ratings Graph Old Ratings Graph

1454 (+67)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2015(2015-09-14 15:00:00)

Global Rank:   2021

Cheated in:   

Ratings System Update

(2015-09-14 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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1454 (-110)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2015(2022-12-20 00:00:00)

Global Rank:   2021

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)

August Challenge 2015

Way Out, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

June Cook-Off 2015

Strange operations

July Cook-Off 2015

Maximize Disjoint Pair Sum

August Cook-Off 2015

Chef and the XORed Number

Total Problems Solved: 10