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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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From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

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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 Mahmud
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Abdullah Al Mahmud

Rookie League Rookie League
  • 6★abdullah500
  •   Bangladesh
  • Student
  • Shahjalal University of Science & Technology Sylhet, Bangladesh
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 23
2254 (+22)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 173 (Rated upto < 2700)(2025-02-12 22:30:00)
Global Rank:   104
Cheated in:   

Ratings System Update

(2025-02-12 22:30:00)
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?
1532? (+0)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 68 Division 4 (Rated)(2022-12-20 00:00:00)
Global Rank:   234
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)

Practice Paths (2)

learn-icon

Rise from 3* to 4*

11%
learn-icon

Jump from 2* to 3*

29%

Contests (23)

Starters 68 Division 4 (Rated)

Expense List, Boring String, Make Money, Bull or Bear, Make AP

Starters 127 Division 3

Superincreasing, Extreme Basketball, Anti-Triangle, ABC Conjecture

Starters 128 Division 2 (Rated)

Binary Substring, XOR And Multiply, MEXimize the Array, Disjoint Non-Decreasing Array

Starters 129 Division 1 (Rated till 5-Stars)

Palindromic Substrings, ConstructXor

Starters 130 Division 1 ( Rated till 6-Stars)

Make Equal, Good Binary String, Updating A

Starters 132 Division 1 (Rated till 6 Stars)

ALIEN-OR, Optimal Flip, MEX QUERIES , Prime Query

Starters 134 Division 1 (Rated till 6-Stars)

Count Good RBS, Origin, 3out1in

Starters 137 Division 1 (Rated till 5-Stars)

Unusual Queries, Double Trouble, Speedrun

Starters 138 Division 1 (Rated till 6-Stars)

A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Breezy Mode Problem, Distinct Substring

Starters 139 Division 1 (Rated till 5-Stars)

Sort Perm, Sum of N, Destroying Bridges Part 2

Starters 140 Division 1 (Rated till 5-Stars)

Break The String, Tree Removal, Trick Or Treat, Split Permutation

Starters 141 Division 1 (Rated till 5-Stars)

Amphibian Escape, Perfect Prefixes

Starters 142 Division 1 (Rated till 5-Stars)

Sum of Xors, Pairs Sum with Length x, Array Removal, Number Hunt

Starters 143 Division 1 (Rated till 5-Stars)

Non-Divisor Array, Max Min and Length

Starters 145 Division 1 (Rated till 6-Stars)

Square String, Make Bob Win , Beautiful Array

Starters 146 Division 1 (Rated till 5 stars)

Back Front, Bouncing Ball, Permutation Construction

Starters 147 Division 1 (Rated till 5 stars)

Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101

Starters 149 (Rated till 5 stars)

Kill Monsters (Hard Version), Maximise Sum, Chef Loves Beautiful Strings (Easy Version)

Starters 150 (Rated till 6 stars)

Replacing Game, Min Ops (Hard), Equal Pairs (Hard)

Starters 152 (Rated till 6 stars)

Maximize Hamming Distance, Completion (Easy), Anti-Palindrome Queries

Starters 153 (Rated till 5 stars)

Another Game, Colorful Tree (Easy Version), Xometry (Easy Version), Xometry (Hard Version)

Starters 161 (Rated)

Red-Blue Sort, One To Three, Quick Exit

Starters 166 (Rated till 6 stars)

All Equal, Chefland Library, Costly Permutations, Divisors Array (Hard Version), Distinct Power, Divisors Array (Easy Version)

Starters 167 (Rated till 5 stars)

Alternate Universe, Temperature Balance, Lottery Tickets, Sum Over Subarrays, Grid Construction (Even), Grid Construction (Odd)

Starters 168 (Rated till 6 stars)

Binary Removals, Equate XOR, Xoperations, No Two Alike

Starters 170 (Rated till 6 star)

Crazy Jumping Frogs, qUiRkY qUesTs (Easy)

Starters 173 (Rated upto < 2700)

Cool Subsequences, Introverts, Cool Checker, Time Penalty, Overwrite

Starters 189 (Rated till 5 star)

Create Binary String

Total Problems Solved: 239

2254
(Div 1)
★★★★★★
CodeChef Rating (Highest Rating 2254)
  • 332 Global Rank
  • 5 Country Rank

Skill tests

3%

Advanced C++ language test

Attempted on September 2024
View skill tests

Badges

Contest Contender - Bronze Badge

Contest Contender - Bronze Badge

Received for participating in 5 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

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