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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » ABDULLAH AL MAMUN
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ABDULLAH AL MAMUN

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  • 2★come_back01
  •   Bangladesh
  • Student
  • North East University Bangladesh
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 50
1540 (+11)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 205 (Rated)(2025-09-24 22:00:04)
Global Rank:   1057
Cheated in:   

Ratings System Update

(2025-09-24 22:00:04)
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?
1487 (-147)RatingProvisional
Rating i Provisional Rating, click to know more
June Cook-Off 2022 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   2116
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 (3)

learn-icon

Build with Django: Web Development for Beginners

10%
learn-icon

Learn C++

3%
learn-icon

Bit Manipulation

26%

Practice Paths (3)

learn-icon

1800 to 2000 difficulty problems

1%
learn-icon

Projects using HTML / CSS

1%
learn-icon

Number theory

4%

Contests (50)

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

February Lunchtime 2021 Division 3

Daanish and Problems, Smallest Possible Whole Number

CodeChef Div 3 Rated Contest 2021 Division 3

Body Mass Index

April Challenge 2021 Division 3

Valid Pair, World Record, Strong Language

April Lunchtime 2021 Division 3

Chef in Heaven , Equinox Strings, Coldplay

May Cook-Off 2021 Division 3

Marathon, Vaccine Drive

May Challenge 2021 Division 3 (Rated)

Xor Equality, Golf, Solubility

July Cook-Off 2021 Division 3

XOR-ORED, Shoe Fit

CodeChef Starters 7 Division 3 (Rated)

Chess Format, Food Chain

August Challenge 2021 Division 2 (Unrated)

Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

CodeChef Starters 32 Division 2 (Rated)

Finding Shoes, Flip Sorting

Starters 37 Division 2 (Rated)

Beat the Average, Infernos, Maximum OR Minimum

June Cook-Off 2022 Division 2 (Rated)

Simple XOR, Break the Stick

Starters 128 Division 3 (Rated)

Moody Chef, MEXimize the Array, Disjoint Non-Decreasing Array

Starters 136 Division 3 ( Rated )

Even Sum Subarray, My First Geometry Problem

Starters 137 Division 3 (Rated)

Double Trouble, Spell Splice, Large Differences

Starters 138 Division 3 (Rated)

A power B mod C , Prefix Suffix Inequality, Heat Wave, Long Drive, Distinct Substring

Starters 139 Division 3 (Rated)

Sum of N, Maximum Distance Permutations, Distribute Cookies

Starters 140 Division 2 (Rated)

Make Permutation, Split Permutation, Trick Or Treat

Starters 141 Division 3 (Rated)

Redundant Array, Nearly Equal

Starters 148 Division 2 (Rated)

FightBots

Starters 149 (Rated)

Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version)

Starters 154 (Rated)

GCD and XOR, Add 1 or 2 Game

Starters 155 (Rated)

GCD to 1 (Easy), GCD to 1 (Hard), Replace With First

Starters 157 (Rated)

Small, Smaller, Smallest, Unmedian, Not-too-far Replacement

Starters 160 (Rated)

Buying Order (Easy), Equate S and T

Starters 164 (Rated)

Halloween Array, Swap and Flip

Starters 174 (Rated)

Mystic Slimes, Deletion and Difference

Starters 175 (Rated)

Alternate It!, Make same

Starters 180 (Rated)

Array Operations

Starters 181 (Rated)

Flip Prefix, Find Outside Array

Starters 182 (Rated)

Bar Queue, Beautiful Garden, Palindromic Score

Starters 183 (Rated)

Larger Smaller, Max Triangle

Starters 184 (Rated)

One Down, Sum to 0, Double or Append

Starters 185 (Rated)

GCD Summation, Creature Hunter

Starters 186 (Rated)

Distinct Arrays , Jump A or B, Approval Ratings, Best Movie

Starters 187 (Rated)

OR What, Chococut, Incremental Game

Starters 188 (Rated)

K Boxes, Yet Another Monsters Problem, Subset Sum 3, Train Even or Odd

Starters 189 (Rated)

Nutrition Cost, Create Binary String, Distinct 2 Subarray

Starters 190 (Rated)

Number Reduction, Light All, Parry It! (Easy)

Starters 191 (Rated)

Add to get GCD, Permuted Greater than 2, Nearest Square

Starters 192 (Rated)

Security Lines, No Odd Sum

Starters 194 (Rated)

Mark All, Munchys Modulo, Chef Bakes Cake 2, Chef Bakes Cake 3, Good Arrays (Cyclic)

Starters 195 (Rated)

String Deletions, Marble Collector

Starters 197 (Rated)

Good Ranking (Pair), All Odd Prefix Sums

Starters 199 (Rated)

Fence Colouring, Grid MEX, Subtract or Divide

Starters 200 (Rated)

Restrict Palindromes, Chef Bakes Cake, Good Subsequence

Starters 201 (Rated)

Mixing Liquids, Mark Points

Starters 205 (Rated)

Unreachable, Mirror Jump, Triplet Maximization

Starters 214 (Unrated)

Crazy Permutations, Chef and Close Friends, Zero Permutation Score, Delete For Fun

Total Problems Solved: 242

1540
(Div 3)
★★
CodeChef Rating (Highest Rating 1685)
  • 23278 Global Rank
  • 771 Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

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Workden, MNR PRIDE, 14, HAL Old Airport Rd, Domlur I Stage, 1st Stage, DOMLUR, Bengaluru, Karnataka 560071 [email protected] +91 95911 47880
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