Khairul Anam Mubin

• Username: 3★mubin_bubt38
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Bangladesh University of Business and Technology Dhaka, Bangladesh
• 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: 32

Current Ratings Graph Old Ratings Graph

1671 (-36)RatingProvisional
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Code Drive Division 2 (Rated)(2021-12-30 23:00:02)

Global Rank:   2033

Cheated in:   

Ratings System Update

(2021-12-30 23:00:02)

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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1671 (+29)RatingProvisional
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Code Drive Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   2033

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 (32)

January Challenge 2019 Division 2

Lucky Number Game, Fancy Quotes

February Challenge 2019 Division 2

Chef and Secret Ingredients

March Lunchtime 2019 Division 2

Testing Robot

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining

July Challenge 2019 Division 2

Minimum and Maximum, Chef and Mean

July Cook-Off 2019 Division 2

Playing with Strings

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples

October Mega Cook-Off 2019 Division 2

Cakewalk, Medel

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

December Challenge 2019 Division 2

Plus Multiply, Easy Subsequence Selection, That Is My Score!, Addition

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Breaking Bricks

February Challenge 2020 Division 2

School of Geometry, Hard Cash

March Challenge 2020 Division 2

Pintu and Fruits

April Challenge 2020 Division 2

Strange Number, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

March Cook-Off 2020 Division 2

Find Your Gift

July Challenge 2020 Division 2

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

August Challenge 2020 Division 2

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

June Cook-Off 2020 Division 2

Cache Hits

June Lunchtime 2020 Division 2

Maximum AND, Chef and Demonetisation, Increasing Decreasing

January Challenge 2021 Division 2

Watching CPL, Fair Elections

December Cook-Off 2020 Division 2

Self-Destructing Strings, Catch the Thief, Minimum Attendance Requirement

January Cook-Off 2021 Division 2

Prime Tuples

December Lunchtime 2020 Division 2 (Unrated)

Three Letters, Sed Sequences, One Zero Swaps

February Challenge 2021 Division 2

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

February Lunchtime 2021 Division 2

Palpal Strings, Coprime Range

March Challenge 2021 Division 2

Chef and Groups, No Time to Wait

July Challenge 2021 Division 2 (Unrated)

XxOoRr, Chef vs Bharat, Optimal Denomination, K Path Query

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

August Challenge 2021 Division 2 (Unrated)

Special Triplets, Array Filling, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

September Challenge 2021 Division 2 (Unrated)

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 2

Chef and Pairwise Distances, Zebra Crossing, Fake Swaps, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 14 Division 2 (Unrated)

Odd GCD, Diagonal movement, FIXFIX

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, Digit Removal, MEX-OR, Three Boxes, Which Mixture

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Alice vs Bob Faceoff, Yet another SOD problem

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

CodeChef Starters 18 Division 2 (Unrated)

Palindromic Binary Numbers, Compare those strings, Back to Campus, Make them equal

FizzBuzz Division 2 (Rated)

Magical Planks, Can_Reach

December Lunchtime 2021 Division 2

Maximum Trio, Romantic Reversals

Code Drive Division 2 (Rated)

Maximum Factors Problem

April Long Two 2022 Division 2 (Unrated)

Pseudo Sorted Array

Total Problems Solved: 132