sahenul islam

• Username: 3★sahenulislam
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Bangladesh University of Business and Technology Dhaka, Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 25

Current Ratings Graph Old Ratings Graph

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Starters 116 Division 2 (Rated)(2024-01-10 22:15:02)

Global Rank:   1219

Cheated in:   

Ratings System Update

(2024-01-10 22:15:02)

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1539 (-138)RatingProvisional
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Starters 39 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   2033

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)

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Practice Paths (0)

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Contests (25)

October Challenge 2020 Division 2

Covid Run

December Challenge 2020 Division 2

Vaccine Distribution

December Cook-Off 2020 Division 2

Minimum Attendance Requirement

October Lunchtime 2020 Division 2

AND Plus OR

January Challenge 2021 Division 3

Chef and Division 3, Encoded String, Fair Elections

January Cook-Off 2021 Division 3

Distinct Pair Sums, Password

February Challenge 2021 Division 3

Frog Sort, Chef and Meetings, Maximise Function, Highest Divisor

March Challenge 2021 Division 3

Interesting XOR!, No Time to Wait, Chef and Groups

April Challenge 2021 Division 3

Valid Pair, World Record, Strong Language

June Challenge 2021 Division 3 (Rated)

Summer Heat

July Challenge 2021 Division 3 (Rated)

Relativity, Optimal Denomination, Chef vs Bharat, Maximum Production

August Challenge 2021 Division 3 (Rated)

Special Triplets, Array Filling, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

September Challenge 2021 Division 2 (Unrated)

Airline Restrictions, Travel Pass, Shuffling Parities, XOR Equal

September Cook-Off 2021 Division 2

Zebra Crossing, Fake Swaps, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

October Challenge 2021 Division 2 (Unrated)

MEX-OR, Digit Removal, Longest AND Subarray

November Challenge 2021 Division 2 (Unrated)

Weird Palindrome Making, Hill Sequence, Equal Coins

November Lunchtime 2021 Division 2

Strange Minimization, Rapid Re-Orderings

CodeChef Starters 29 Division 2 (Rated)

Decomposition Reaction, Plusle and Minun on Array, String protocol

Starters 38 Division 2 (Rated)

Good Pairs, Average Gift, Circular Track

Starters 39 Division 2 (Rated)

Compress the Video, Closest Vowels

Starters 84 Division 3 (Rated)

Melt Gold, Chef And Adjacent Sums, Max Binary, Digit Operation, Max count of 1, Elections in Chefland

Starters 92 Division 3 (Rated)

Distance Coloring, Dotify Playlist, Water Filling

Starters 97 Division 3 (Rated)

Caesar Cipher, Schrodinger Smiley, Triplets Min, Best of Two

Starters 102 Division 3 (Rated)

Bit Play, Chef and Stocks, Selling Insurance, Array Sum

Starters 103 Division 2 (Rated)

Dice Number

Starters 114 Division 3 (Rated)

Rock-Paper-Scissors, Painting Walls, Christmas Candy

Starters 116 Division 2 (Rated)

Chef Product, ORST , Access Control

Total Problems Solved: 108