Sa-ad Mahmud

• Username: 2★cyanfirestone
• Country:  Bangladesh
• Student/Professional:Student
• Institution:International Islamic University Chittagong 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: 5

Current Ratings Graph Old Ratings Graph

1557 (+46)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2019 Division 2(2019-09-16 15:00:02)

Global Rank:   3018

Cheated in:   

Ratings System Update

(2019-09-16 15:00:02)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1557 (-105)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   3018

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 (5)

July Cook-Off 2018 Division 2

Encoding Message

August Lunchtime 2018 Division 2

Chef and Problem Setting, Chef and Eid

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples, Zombie and the Caves

August Lunchtime 2019 Division 2

Eidi Gift, Chef and Trip

September Challenge 2019 Division 2

Easy Fibonacci, Chef and Interesting Subsequences

Total Problems Solved: 23