Bulbul Khan

• Username: 3★bulbulkhan
• Country:  Bangladesh
• Student/Professional:Student
• Institution:University of Rajshahi Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 7

Current Ratings Graph Old Ratings Graph

1634 (+70)RatingProvisional
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February Cook-Off 2023 Division 3 (Rated)(2023-02-08 22:30:04)

Global Rank:   137

Cheated in:   

Ratings System Update

(2023-02-08 22:30:04)

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1564 (-95)RatingProvisional
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May Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   3482

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

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Learning Paths (0)

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Practice Paths (0)

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Contests (7)

December Lunchtime 2020 Division 2 (Unrated)

One Zero Swaps, Sed Sequences

Byterace IIT Patna Division 2 (Rated)

The Begining Era Of Cyberverse

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3, Point Of Impact, Encoded String

January Lunchtime 2021 Division 3 (Unrated)

Ashishgup and Interviews, Pair Me, Binary Subsequence, Even Differences, Even Sum

February Challenge 2021 Division 3

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

February Lunchtime 2021 Division 2

Palpal Strings, Coprime Range

CodeChef Div 3 Rated Contest 2021 Division 3

Rectangle, Chef and Patients, Body Mass Index, Total Score

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1

February Cook-Off 2023 Division 3 (Rated)

Take Not Less, Alice Potter And Dumbledore Army, Bi_lindrome!, Permutation and Modulus, Netflix

Total Problems Solved: 65