Ibnul Tahsin Bhuiyan

• Username: 4★taran106
• Country:  Bangladesh
• Student/Professional:Professional
• Organisation:Cefalo Bangladesh Ltd.
• 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: 18

Current Ratings Graph Old Ratings Graph

1896 (+50)RatingProvisional
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April Lunchtime 2021 Division 2(2021-04-30 22:30:02)

Global Rank:   64

Cheated in:   

Ratings System Update

(2021-04-30 22:30:02)

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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1896 (-144)RatingProvisional
Rating i Provisional Rating, click to know more

April Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   64

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 (18)

December Cook-Off 2016

Chef and Subset

December Challenge 2017

Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays

March Lunchtime 2017

Bear and Ladder

August Lunchtime 2017

Mathison and pangrams

November Lunchtime 2017

Smart Strategy

January Challenge 2018

Maximum Score, Partition the numbers, String Merging, Rectangle, K-Concatenation

January Cook-Off 2018

Multiple of 3

April Lunchtime 2018 Division 2

Two vs Ten, The hardest gcd problem

May Challenge 2018 Division 2

Dibs on Fibs, Fake Binary Search, Xor Again, Change the Signs, Mighty Friend, Minimum Deletions

October Challenge 2018 Division 1

Appy and Balloons , Minimize Digitsum, Chef and Surprise Chessboard

August Lunchtime 2018 Division 1

Chef and Eid, Mix Mix Game

Quick Code (Rated for Division 2)

Immortal Frieza, Majin Vegeta

February Cook-Off 2019 Division 1

Chef and Party

February Lunchtime 2019 Division 2

Average Number, The Tricky Deal

April Cook-Off 2019 Division 1

Pied Piper vs Hooli

April Lunchtime 2019 Division 1

Firdavs and Planet F, Minimum Sum

April Cook-Off 2021 Division 2

OR of ANDs, Chocolate Monger

April Lunchtime 2021 Division 2

A Special Tree, Chef in Heaven , Bench Press, Array Rotation

SnackDown 2021 - Online Qualifiers

Lucky Number

Total Problems Solved: 64