Mahed Ahmed chowdhury

• Username: 2★lu_mahed
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Leading University, Sylhet 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: 25

Current Ratings Graph Old Ratings Graph

1464 (+30)RatingProvisional
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January Lunchtime 2022 Division 3(2022-01-29 23:00:04)

Global Rank:   1686

Cheated in:   

Ratings System Update

(2022-01-29 23:00:04)

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1464 (-127)RatingProvisional
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January Lunchtime 2022 Division 3(2022-12-20 00:00:00)

Global Rank:   1686

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 (25)

April Challenge 2020 Division 2

COVID Pandemic and Long Queue, Sell All the Cars

May Challenge 2020 Division 2

Coronavirus Spread

April Lunchtime 2020 Division 2

Chef in Fantasy League

May Lunchtime 2020 Division 2

Lost Weekends

June Challenge 2020 Division 2

The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Ada King, Missing a Point, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Another Card Game Problem, Chef and Linear Chess, Chef Wars - Return of the Jedi

September Challenge 2020 Division 2

A Problem on Sticks

July Cook-Off 2020 Division 2

Even-tual Reduction

July Lunchtime 2020 Division 2

Chef and Steps

June Lunchtime 2020 Division 2

Chef and Demonetisation

October Challenge 2020 Division 2

Covid Run, Chef and Easy Queries

December Challenge 2020 Division 2

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

Coders' Legacy (Rated for all)

Chef vs Doof

September Lunchtime 2020 Division 2

Watermelon

January Challenge 2021 Division 3

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

January Cook-Off 2021 Division 3

Distinct Pair Sums, Password

February Challenge 2021 Division 3

Maximise Function, Highest Divisor

March Cook-Off 2021 Division 3

Pawri Meme, Weight Balance

CodeChef Div 3 Rated Contest 2021 Division 3

Total Score, Body Mass Index, Chef and Patients

March Challenge 2021 Division 3

Chef and Groups, No Time to Wait

April Challenge 2021 Division 3

Valid Pair, World Record, Strong Language

May Cook-Off 2021 Division 3

Marathon

May Challenge 2021 Division 3 (Rated)

Xor Equality, Golf, Solubility

January Lunchtime 2022 Division 3

Subarray permutations, Chef and Subset Additions, Chef and Lockout Draws

Total Problems Solved: 119