Abdullah Al Mahmud

• Username:6★abdullah500
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Shahjalal University of Science & Technology Sylhet, Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

Activity Heat Map

Last 6 Months 2024 (Jul-Dec)2024 (Jan-Jun)2023 (Jul-Dec)2023 (Jan-Jun)

Rating Graph

No. of Contests Participated: 19

Current Ratings Graph Old Ratings Graph

2203 (+21)RatingProvisional
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Starters 153 (Rated till 5 stars)(2024-09-25 22:00:00)

Global Rank:   33

Cheated in:   

Ratings System Update

(2024-09-25 22:00:00)

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1532? (+0)RatingProvisional
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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)

Rise from 3* to 4*

11%

Jump from 2* to 3*

29%

Contests (19)

Starters 68 Division 4 (Rated)

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

Starters 127 Division 3

ABC Conjecture, Superincreasing, Extreme Basketball, Anti-Triangle

Starters 128 Division 2 (Rated)

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

Starters 129 Division 1 (Rated till 5-Stars)

Palindromic Substrings, ConstructXor

Starters 130 Division 1 ( Rated till 6-Stars)

Updating A, Make Equal, Good Binary String

Starters 132 Division 1 (Rated till 6 Stars)

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

Starters 134 Division 1 (Rated till 6-Stars)

Count Good RBS, Origin, 3out1in

Starters 137 Division 1 (Rated till 5-Stars)

Speedrun, Double Trouble, Unusual Queries

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)

Destroying Bridges Part 2, Sort Perm, Sum of N

Starters 140 Division 1 (Rated till 5-Stars)

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

Starters 141 Division 1 (Rated till 5-Stars)

Amphibian Escape, Perfect Prefixes

Starters 142 Division 1 (Rated till 5-Stars)

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

Starters 143 Division 1 (Rated till 5-Stars)

Non-Divisor Array, Max Min and Length

Starters 145 Division 1 (Rated till 6-Stars)

Beautiful Array, Make Bob Win , Square String

Starters 146 Division 1 (Rated till 5 stars)

Permutation Construction, Bouncing Ball, Back Front

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)

Min Ops (Hard), Replacing Game, 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)

Total Problems Solved: 209