Arjun Singh

• Username: 2★hbknjr
• Country:  India
• Student/Professional:Student
• Institution:Jamia Millia Islamia Okhla, New Delhi
• 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: 12

Current Ratings Graph Old Ratings Graph

1548 (+8)RatingProvisional
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May Challenge 2021 Division 2 (Rated)(2021-05-17 15:00:02)

Global Rank:   3669

Cheated in:   

Ratings System Update

(2021-05-17 15:00:02)

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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1548 (-152)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2021 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   3669

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 (12)

October Challenge 2019 Division 2

Array Modification, Phone Prices, Chef and Maximum Star Value

October Lunchtime 2019 Division 2

Counting Inversions Revisited

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

January Challenge 2020 Division 2

Breaking Bricks

May Cook-Off 2020 Division 2

Chef and Recipe

October Lunchtime 2020 Division 2

AND Plus OR

April Challenge 2021 Division 3

Strong Language, World Record, Valid Pair, Chef and Dice

April Cook-Off 2021 Division 3

Bodybuilder, Passing Marks, OR of ANDs, Chocolate Monger

April Lunchtime 2021 Division 2

Chef in Heaven , Bench Press, Array Rotation

SPYBITS IIT BHU Division 3 (Rated)

B - Valentine Couples, A - Save Water Save Life

May Challenge 2021 Division 2 (Rated)

Xor Equality, Tic Tac Toe, Modular Equation

Total Problems Solved: 42