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: 20

Current Ratings Graph Old Ratings Graph

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Starters 161 (Rated)(2024-11-20 22:30:00)

Global Rank:   104

Cheated in:   

Ratings System Update

(2024-11-20 22:30:00)

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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 (20)

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)

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)

Updating A, Make Equal, Good Binary String

Starters 132 Division 1 (Rated till 6 Stars)

Prime Query, MEX QUERIES , ALIEN-OR, 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)

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

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)

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

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)

Beautiful Array, Make Bob Win , Square String

Starters 146 Division 1 (Rated till 5 stars)

Back Front, Bouncing Ball, Permutation Construction

Starters 147 Division 1 (Rated till 5 stars)

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

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

Starters 152 (Rated till 6 stars)

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

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

Total Problems Solved: 213