Maruf Hasan

• Username: 3★maruf089
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Chittagong University of Engineering & Technology, Bangladesh
• 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: 18

Current Ratings Graph Old Ratings Graph

1688 (+53)RatingProvisional
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May Lunchtime 2021 Division 2(2021-05-31 23:00:02)

Global Rank:   951

Cheated in:   

Ratings System Update

(2021-05-31 23:00:02)

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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1688 (-117)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   951

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 (18)

November Cook-Off 2018 Division 2

Truth and Dare

December Challenge 2018 Division 2

Chef and Interactive Contests, Chef and An Ideal Problem

November Challenge 2018 Division 2

Chef and Ridges, Chef and Difficult Contests, Chef and Happiness

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining, Fencing

May Challenge 2019 Division 2

Reduce to One

July Challenge 2019 Division 2

Parity Again, Chef and Mean , Minimum and Maximum

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

December Challenge 2019 Division 2

Plus Multiply, Binary XOR, Easy Subsequence Selection, That Is My Score!, Addition

April Challenge 2020 Division 2

COVID Pandemic and Long Queue, Squared Subsequences, Leaked Answers (Challenge), Unit GCD, Strange Number, Sell All the Cars

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

October Challenge 2020 Division 2

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

November Challenge 2020 Division 2

Ada and Dishes, Iron, Magnet and Wall, Restore Sequence

November Cook-Off 2020 Division 2

Flip the String, Chef and IPC Certificates

October Lunchtime 2020 Division 2

AND Plus OR

April Challenge 2021 Division 2

Binary String MEX, Worthy Matrix, Chef and Dice

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1, Total Components

Total Problems Solved: 137