Md Rehan Zeya

• Username: 4★mdrehanzeya
• Country:  India
• Student/Professional:Professional
• Organisation:Codenation
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 8

Current Ratings Graph Old Ratings Graph

1875 (+47)RatingProvisional
Rating i Provisional Rating, click to know more

February Lunchtime 2020 Division 1(2020-02-29 22:30:00)

Global Rank:   91

Cheated in:   

Ratings System Update

(2020-02-29 22:30:00)

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?

1875 (-147)RatingProvisional
Rating i Provisional Rating, click to know more

February Lunchtime 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   91

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)

October Cook-Off 2017

Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries

October Lunchtime 2017

Buggy Calculator

April Cook-off 2018 Division 2

Cut the Board

May Lunchtime 2018 Division 2

Trace of Matrix, Count Substrings, Maximum Plus

March Lunchtime 2019 Division 2

Testing Robot, Pogo Stick Competition, Travelling Saleschef

April Cook-Off 2019 Division 1

Pied Piper vs Hooli

April Lunchtime 2019 Division 1

Firdavs and Planet F, Minimum Sum

February Lunchtime 2020 Division 1

Swapping to Palindrome, Secret Mission

Total Problems Solved: 33