Md Amjad Hossain

• Username: 3★R.R.Rahat
• Country:  Bangladesh
• Student/Professional:Professional
• Organisation:Shohoz Limited
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 23

Current Ratings Graph Old Ratings Graph

1655 (-62)RatingProvisional
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February Long 2022 - II, Division 3 (Rated)(2022-02-14 15:00:00)

Global Rank:   13086

Cheated in:   

Ratings System Update

(2022-02-14 15:00:00)

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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1655 (+319)RatingProvisional
Rating i Provisional Rating, click to know more

February Long 2022 - II, Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   13086

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 (23)

April Challenge 2012

Double Strings, Fit to Play

May Challenge 2012

Lucky lucky number, Remember the recipe, Jewels and Stones

June Challenge 2012

Little Elephant and Candies, Arranging Cup-cakes

July Challenge 2012

Chef's Dream, My Fair Coins, The Gray-Similar Code, Gift Rift

October Challenge 2012

Little Elephant and Order, Fierce Battles, Event Organizer, Maximum Sub-rectangle in Matrix, The New Scheme

October Cook-Off 2012

Buying Sweets

November Challenge 2012

Candy Collecting Game, Coin Flip, Sridhar Likes Travelling

December Challenge 2012

Granama Recipes, Book Exercises, Magic Rankings, Pizza Delivery

January Challenge 2013

Little Elephant and Alcohol, The Minimum Number Of Moves, End Of The World, Chef of the Year, Three Different Numbers

February 2013 Challenge

Climbing Stairs, Little Elephant and Cards, Buy1-Get1

March Challenge 2013

Random decreasing function, Tourist Translations, Approximately, Fire Escape Routes, Minesweeper

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, Kingdom Unity, Maximum Weight Difference, Levy Conjecture

May Challenge 2013

Witua and Math, Name Reduction, Your Name is Mine

July Challenge 2013

Chef and Walking on the rectangle , The Probability Of Winning, Galactik Football

July Cook-off 2013

Chopsticks

October Cook-Off 2013

Polo the Penguin and the Test

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Yet Another Nice Girl

November Challenge 2013

Chef Game, Superpowers of 2, Yet Another Cute Girl, Sereja and Vectors, Uncle Johny, Square Digit Squares, Missing some chairs

December Challenge 2013

Reign

February Long 2022 - II, Division 3 (Rated)

Chef and NextGen

Total Problems Solved: 65