rehan mahmood

• Username: 1★n_rehan
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Jamshedpur Jharkhand, India
• 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: 11

Current Ratings Graph Old Ratings Graph

1230 (-269)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2019 Division 2(2019-04-15 15:00:02)

Global Rank:   11812

Cheated in:   Plagiarised in APRIL19B

Ratings System Update

(2019-04-15 15:00:02)

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?

1230 (-29)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   11812

Cheated in:   Plagiarised in APRIL19B

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 (11)

October Challenge 2017

A Balanced Contest, Max Mex

August Cook-Off 2017

From heaven to earth

August Lunchtime 2017

Mathison and pangrams

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle

March Challenge 2018 DIV 2

A Big Sale, Mix the Colors, Chef and Glove

April Challenge 2018 Division 2

Workers

May Challenge 2018 Division 2

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

August Challenge 2018 Division 2

Sheokand and Number, Spell Bob

September Challenge 2018 Division 2

Magician versus Chef, Chef and Adventures

July Lunchtime 2018 Division 2

Split Stones

ProCon 2018 (Rated for all)

The Great Run, Kill them with your success

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing

Total Problems Solved: 27