Arnab Roy

• Username: 4★arnabroy1234
• Country:  India
• Student/Professional:Student
• Institution:University Of Engineering & Management, Kolkata West Bengal, India
• 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: 6

Current Ratings Graph Old Ratings Graph

1921 (+37)RatingProvisional
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March Challenge 2020 Division 1(2020-03-16 15:00:00)

Global Rank:   173

Cheated in:   

Ratings System Update

(2020-03-16 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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1921 (-159)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   173

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)

May Challenge 2019 Division 2

Matches, Reduce to One, Where to Build the Roads, Binary Movements

May Lunchtime 2019 Division 2 (Unrated)

Dummy Palindromic Strings, CV

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Lent Money, Guddu on a Date, Chef and Ingredients, Sum and GCD

September Challenge 2019 Division 2

Biladerim Icin, Chef and Interesting Subsequences , Chef Designed a Network, Doofish Set, Fuzzy Linear Combinations, Easy Fibonacci, Chef and Good Subsequences

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value, Array Modification

November Challenge 2019 Division 1

Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, A Simple Game, Single Point of Failure

March Challenge 2020 Division 1

Lasers Everywhere, Lasers Everywhere Alternative

Total Problems Solved: 32