Ali Haider Talukder Akib

• Username: 2★ali_haider_007
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Ahsanullah University of Science 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: 38

Current Ratings Graph Old Ratings Graph

1536 (+40)RatingProvisional
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Starters 120 Division 3 (Rated)(2024-02-07 22:04:00)

Global Rank:   554

Cheated in:   

Ratings System Update

(2024-02-07 22:04:00)

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1499 (+6)RatingProvisional
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Starters 66 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   3137

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 (38)

December Challenge 2020 Division 2

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

December Cook-Off 2020 Division 2

Catch the Thief, Minimum Attendance Requirement

December Lunchtime 2020 Division 2 (Unrated)

Sed Sequences

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda

November Cook-Off 2020 Division 2

Flip the String, Chef and IPC Certificates

October Lunchtime 2020 Division 2

AND Plus OR

November Lunchtime 2020 Division 2

Gasoline Introduction

UWCOI 2021 (Rated for all)

Hidden Numbers

Byterace IIT Patna Division 2 (Rated)

The Begining Era Of Cyberverse

January Challenge 2021 Division 3

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

January Cook-Off 2021 Division 3

Distinct Pair Sums, Password

January Lunchtime 2021 Division 3 (Unrated)

Ashishgup and Interviews, Pair Me, Even Differences, Even Sum

February Challenge 2021 Division 3

Highest Divisor, Maximise Function, Frog Sort, Chef and Meetings

February Lunchtime 2021 Division 3

Daanish and Problems, Smallest Possible Whole Number, Coprime Range

CodeChef Div 3 Rated Contest 2021 Division 3

Body Mass Index, Total Score

March Challenge 2021 Division 2

Interesting XOR!, Space Arrays

March CodeChef Starters 2021 Division 3 (Rated)

Possible Victory, Nobel Prize, Server Trouble, College Life 5

April Challenge 2021 Division 2

Chef and Dice

April Cook-Off 2021 Division 3

Bodybuilder, Passing Marks, Chocolate Monger

May Challenge 2021 Division 3 (Rated)

Xor Equality, Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Bitwise Tuples, Bella ciao, Summer Heat

August Challenge 2021 Division 3 (Rated)

Problem Difficulties, Olympics Ranking

September Challenge 2021 Division 3 (Rated)

Shuffling Parities, Airline Restrictions, Travel Pass

November Challenge 2021 Division 3 (Rated)

Which Fuel is Cheaper

January Long 2022 - I, Division 3 (Rated)

Keplers Law

August Lunchtime 2022 Division 4 (Rated)

Test Averages, Candy Distribution, Equalizing Numbers, Easy Permutation, Array Equality, Height of Rationals

Starters 53 Division 3 (Rated)

Make A and B equal, Weights, Odd Pairs

Starters 61 Division 3 (Rated)

Minimise LCS, Different Consecutive Characters , Odd Sum Pair

Starters 63 Division 3 (Rated)

One-XOR Deletions, Make Length 1, Avoid Squares Please

Starters 64 Division 3 (Rated)

Mario and the Broken String, Luigi and Uniformity, Distinct Colors

Starters 65 Division 3 (Rated)

Nahaane Jaa, Hackerman, Candies

November Long 2022 Division 3 (Rated)

MaxEdges, Split and Maximize, Spliting Balls, String Game

Starters 66 Division 3 (Rated)

Binary Battles, Monopoly in Chefland

Starters 99 Division 3 (Rated)

Card Swipe, Endless Appetizers, Exclusion-Inclusion

Starters 103 Division 3 (Rated)

Dice Number, Divisible By 8

Starters 106 Division 3 (Rated)

Chef Fantasy 11, Playing with OR, Guess the winner!

Starters 111 Divison 3 (Rated)

Beautiful Strings, Reach Codetown, Exams

Starters 120 Division 3 (Rated)

Count Subarrays, Count Arrays, Largest K, Sub or Swp, Valentine Gifts

Total Problems Solved: 186