Hasanur Rahman

• Username: 1★corei8
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Bangladesh University of Engineering and Technology
• 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: 8

Current Ratings Graph Old Ratings Graph

1293 (-34)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2016(2016-12-12 15:00:00)

Global Rank:   4973

Cheated in:   

Ratings System Update

(2016-12-12 15:00:00)

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?

1293 (-40)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2016(2022-12-20 00:00:00)

Global Rank:   4973

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 (8)

March Challenge 2016

Palindromic substrings

April Challenge 2016

Chef And Coloring

August Challenge 2016

Chef and Chocolate

March Lunchtime 2016

Simple Statistics

October Lunchtime 2016

The Largest Bouquet

November Lunchtime 2016

Chef and his Students

Total Problems Solved: 34