Arun

• Username: 2★a1coder
• Country:  India
• Student/Professional:Professional
• Organisation:Intel Technology India Pvt Ltd
• 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: 18

Current Ratings Graph Old Ratings Graph

1418 (-41)RatingProvisional
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February Challenge 2019 Division 2(2019-02-13 15:00:02)

Global Rank:   15520

Cheated in:   

Ratings System Update

(2019-02-13 15:00:02)

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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1418 (+21)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   15520

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)

November Challenge 2012

Coin Flip

December Cook-Off 2012

Packaging Cupcakes

February 2013 Challenge

Buy1-Get1

October Challenge 2013

Helping Lira

November Challenge 2013

Superpowers of 2, Uncle Johny, Square Digit Squares, Missing some chairs

January Challenge 2014

Chef and Feedback

February Challenge 2014

Longest Common Pattern

November Challenge 2017

Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

December Cook-Off 2017

Football Match

December Lunchtime 2017

Days in Month, Strange Function

Total Problems Solved: 27