Raihanul Islma

• Username: 5★roll_num_44
• Country:  Bangladesh
• Student/Professional:Student
• Institution:American International University Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 23

Current Ratings Graph Old Ratings Graph

2174 (+54)RatingProvisional
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Starters 173 (Rated upto < 2700)(2025-02-12 22:30:00)

Global Rank:   24

Cheated in:   

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(2025-02-12 22:30:00)

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None(None)

Global Rank:   0

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Learning Paths (1)

Learn C++

3%

Practice Paths (0)

None

Contests (23)

Starters 111 Division 4 (Rated)

Prefixing, LCM Mania, 404 Not Found, Exams, Beautiful Strings, Prime Range Game, Reach Codetown

Starters 112 Division 2 (Rated)

Cursed Indices, 3 Logicians Walk into a Bar, Yet Another Array Game, Permutation Construction, Max Nutrition

Starters 113 Division 2 (Rated)

Sum Neq , Maximum Score , Make All Equal, Minimise Maximum Subarray Sum

Starters 115 Division 2 (Rated)

Greedy LIS Algorithm, Binary Grid Forces, Make All Zero, A PLUS B Remastered, Decorating Christmas Tree

Starters 116 Division 2 (Rated)

Chef Product, ORST , Access Control

Starters 117 Division 2 (Rated)

Spread Spree, Spell Shortening, Not Prime Permutation, Equality Etiquette, Stingy Arrays

Starters 142 Division 2 (Rated)

Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt

Starters 143 Division 2 (Rated)

Non-Divisor Array, Binary Conversion

Starters 145 Division 2 (Rated)

Make Bob Win , Make My Array Equal, Square String

Starters 146 Division 2 (Rated till 5 stars)

Bouncing Ball, Olympics 2024, No Winner, Knockout tournament, Permutation Construction

Starters 149 (Rated)

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

Starters 150 (Rated)

Equal Pairs (Easy), IOI 2024, Equal Pairs (Hard), Find Multiset State

Starters 154 (Rated)

Triangle Count (Easy), Add 1 or 2 Game, GCD and XOR

Starters 156 (Rated)

Count Triplets, Balance Difficulties, Interval Cliques, Partition Score, Even Numbers Hate

Starters 157 (Rated)

Normal is Good (Easy), Not-too-far Replacement, Unmedian, Small, Smaller, Smallest

Starters 158 (Rated)

Make a Tree, Largest Subsequence, XOR Smaller, Buying Game, Multiply 2 to Minimize, Diwali Discount, Even vs Odd Divisors

Starters 159 (Rated)

Elections, Chess Colouring, Glass Bridge (Easy), Super Hero, Crafty Coloring (Easy), Random Nim

Starters 160 (Rated till 5 stars)

Palindrome Love, Modindrome, Buying Order (Easy), Buying Order (Hard)

Starters 164 (Rated till 5 stars)

Halloween Array, Construct Permutation, Connecting Wells

Starters 166 (Rated till 6 stars)

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

Starters 169 (Rated till 5 stars)

Constant Subsequence, Hamming equivalent

Starters 173 (Rated upto < 2700)

Cool Subsequences, Postman and LLM, Introverts, Min-Max Product Partition, Time Penalty, Overwrite

Total Problems Solved: 116