Akhtar Rahat

• Username: 3★rahat003
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Khulna University of Engineering & Technology Khulna, 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: 8

Current Ratings Graph Old Ratings Graph

1796 (+45)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 60 Division 2 (Rated)(2022-10-12 23:00:02)

Global Rank:   261

Cheated in:   

Ratings System Update

(2022-10-12 23:00:02)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1796 (-25)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 60 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   261

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 (8)

September Challenge 2019 Division 2

Chef and Interesting Subsequences

December Challenge 2019 Division 2

Plus Multiply, Easy Subsequence Selection, That Is My Score!

August Lunchtime 2020 Division 2

Game on a Strip, Mode of Frequencies, Ratings and Rankings

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

January Cook-Off 2021 Division 2

Maximise Islands, Prime Tuples

October Lunchtime 2020 Division 2

AND Plus OR, Chef and Subtree MEXs, Chef Likes Good Sequences

June Cook-Off 2021 Division 2

The Wave

July Challenge 2021 Division 2 (Unrated)

XxOoRr, Chef vs Bharat, Optimal Denomination, K Path Query

Starters 60 Division 2 (Rated)

Distinct Numbers, Yet Another Palindrome Problem, Tri XOR, Palindrome Flipping

Total Problems Solved: 44