Jobayer sheikh

• Username: 2★jobayer__
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Chittagong University of Engineering & Technology, 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: 34

Current Ratings Graph Old Ratings Graph

1478 (+50)RatingProvisional
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CodeChef Starters 15 Division 3 (Rated)(2021-10-12 23:15:04)

Global Rank:   933

Cheated in:   

Ratings System Update

(2021-10-12 23:15:04)

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1478 (-86)RatingProvisional
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CodeChef Starters 15 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   933

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 (34)

January Long Challenge 2016

Churu and Balls

February Challenge 2016

Chef-Detective

March Challenge 2016

maximize the sum, Palindromic substrings

April Challenge 2016

Chef and Ballons, Chef And Magical Path, Chef And Coloring

June Challenge 2016

Devu and an Array

July Challenge 2016

Andrash and Stipendium, Chefland and Electricity

September Challenge 2016

Faded Palindromes, Chef and calculation, Chef and digits of a number

September Cook-Off 2016

Lazy Jem

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

May Challenge 2017

Median of adjacent maximum numbers

August Long Challenge 2017

Chef and Rainbow Array, Greedy Candidates, Palindromic Game, Chef and Mover

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Fill The Matrix, Little Chef and Sums

November Challenge 2017

Periodic Palindrome Construction, Villages and Tribes

January Challenge 2018

Maximum Score, Rectangle

February Challenge 2018

Chef And His Characters, Chef And The Patents, Permutation and Palindrome

March Challenge 2018 DIV 2

Minion Chef and Bananas, Mix the Colors, A Big Sale, Chef and Glove

May Cook-off 2018 Division 2

Secret Recipe

April Challenge 2018 Division 2

Weight of Numbers, Count Good Prefixes, Average of Pairs, Workers

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs

August Challenge 2018 Division 2

Modular GCD

July Challenge 2020 Division 2

Ada King, Chef and Card Game, Chef and Strings

June Cook-Off 2020 Division 2

Cache Hits

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

December Challenge 2020 Division 2

Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

January Challenge 2021 Division 3

Chef and Division 3

February Challenge 2021 Division 3

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

October Challenge 2021 Division 3 (Rated)

Longest AND Subarray, Digit Removal, MEX-OR, Three Boxes, Which Mixture

Total Problems Solved: 82