Md Ishmam Ruhan

• Username: 3★ruhan_diu_99
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Daffodil International University Dhaka, 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: 8

Current Ratings Graph Old Ratings Graph

1618 (+56)RatingProvisional
Rating i Provisional Rating, click to know more

SnackDown 2021 - Online Pre-Elimination(2021-11-22 00:00:06)

Global Rank:   1092

Cheated in:   

Ratings System Update

(2021-11-22 00:00:06)

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?

1618 (-161)RatingProvisional
Rating i Provisional Rating, click to know more

SnackDown 2021 - Online Pre-Elimination(2022-12-20 00:00:00)

Global Rank:   1092

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)

December Challenge 2020 Division 2

Even Pair Sum, Vaccine Production, Vaccine Distribution, Positive Prefixes

December Cook-Off 2020 Division 2

Minimum Attendance Requirement

UWCOI 2021 (Rated for all)

Hidden Numbers

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3, Point Of Impact, Encoded String

February Challenge 2021 Division 3

Highest Divisor, Maximise Function, Multiple Games, Chef and Meetings, Team Name, Frog Sort, Prime Game

March Challenge 2021 Division 2

Interesting XOR!, Dense Graph, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays

April Challenge 2021 Division 2

Chef and Dice

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

SnackDown 2021 - Online Pre-Elimination

Product Pain

Total Problems Solved: 38