Amantu Amir

• Username: 2★drag0nfly
• Country:  Bangladesh
• Student/Professional:Student
• Institution:University of Barisal Bangladesh
• 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: 4

Current Ratings Graph Old Ratings Graph

1473? (+66)RatingProvisional
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March Challenge 2020 Division 2(2020-03-16 15:00:02)

Global Rank:   3978

Cheated in:   

Ratings System Update

(2020-03-16 15:00:02)

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?

1473 (-107)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   3978

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 (4)

January Challenge 2020 Division 2

Breaking Bricks

February Challenge 2020 Division 2

The Theatre Problem, School of Geometry, Hard Cash

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

January Lunchtime 2020 Division 2

Bob and His Friends, Chef and Street Food

March Lunchtime 2020 Division 2 (Unrated)

Chef Swaps Digits, Good Prefix

Total Problems Solved: 34