Black_Duster

• Username: 4★black_duster
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Jamshedpur Jharkhand, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 11

Current Ratings Graph Old Ratings Graph

1855 (+41)RatingProvisional
Rating i Provisional Rating, click to know more

December Cook-Off 2020 Division 2(2020-12-22 00:00:02)

Global Rank:   267

Cheated in:   

Ratings System Update

(2020-12-22 00:00:02)

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?

1855 (+0)RatingProvisional
Rating i Provisional Rating, click to know more

December Cook-Off 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   267

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 (11)

July Cook-Off 2020 Division 2

OR-thodox Distinction, Even-tual Reduction

July Lunchtime 2020 Division 2

Chef and Steps, Maximum Candies, Binary Concatenation

August Cook-Off 2020 Division 2

Polygon Relationship, Chef and Work, K-Foldable String

August Lunchtime 2020 Division 1

Game on a Strip

December Cook-Off 2020 Division 2

Minimum Attendance Requirement, Catch the Thief, Self-Destructing Strings

October Cook-Off 2020 Division 1

Path-etic Sums, Yet Another Crossover Episode

November Cook-Off 2020 Division 1

Flip the String, Chef and IPC Certificates

October Lunchtime 2020 Division 1

Chef Likes Good Sequences, Cute Chef Gift

September Lunchtime 2020 Division 2

GCD operations, Root the Tree, Watermelon

UWCOI 2021 (Rated for all)

Array Swaps, Hidden Numbers

Total Problems Solved: 40