Arnab Chakraborty

• Username: 3★codebook_2000
• Country:  India
• Student/Professional:Student
• Institution:Jadavpur University Kolkata, West Bengal, 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: 10

Current Ratings Graph Old Ratings Graph

1673 (-13)RatingProvisional
Rating i Provisional Rating, click to know more

February Lunchtime 2021 Division 2(2021-02-27 22:45:02)

Global Rank:   1439

Cheated in:   

Ratings System Update

(2021-02-27 22:45:02)

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?

1673 (-135)RatingProvisional
Rating i Provisional Rating, click to know more

February Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   1439

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)

None

Practice Paths (0)

None

Contests (10)

August Challenge 2020 Division 2

Another Card Game Problem, Chef Wars - Return of the Jedi, Chef and Wedding Arrangements, Smallest KMP, Chef and Linear Chess

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Ada Matrix

July Cook-Off 2020 Division 2

Even-tual Reduction

July Lunchtime 2020 Division 2

Chef and Steps

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Iron, Magnet and Wall, Unusual Queries, Scalar Product Tree, Ada and Dishes, Restore Sequence, Magical Candy Store

Coders' Legacy (Rated for all)

Chef vs Doof

September Lunchtime 2020 Division 2

GCD operations, Watermelon

February Lunchtime 2021 Division 2

Palpal Strings, Coprime Range

February CodeChef Starters 2021 Division 2 (Unrated)

Chef and Coupon, College Life 2

SnackDown 2021 - Online Qualifiers

Prefix as a Substring 2, Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

Total Problems Solved: 122