Arun Kumar

• Username: 1★Elessar
• Country:  India
• Student/Professional:Professional
• Organisation:-
• 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: 21

Current Ratings Graph Old Ratings Graph

1395 (+3)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2018 Division 2(2018-05-14 15:00:00)

Global Rank:   4389

Cheated in:   

Ratings System Update

(2018-05-14 15:00:00)

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?

1395 (-15)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   4389

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 (21)

July 2010

Maximal crosses

June Long Contest 2011

Chef Teams

April Challenge 2012

Double Strings

April Challenge 2014

Farmer Feb, Chef and Digits, Shortest Path in Binary Trees

May Challenge 2014

Chef-jumping

November Challenge 2014

Distinct Characters Subsequence

December Challenge 2014

Chef and Apple Trees

January Challenge 2015

Chef and Stones

February Challenge 2015

Let us play with rank list, Chef and Equality, Chef and Chain

March Challenge 2015

Chef and Notebooks

February Challenge 2016

Chef-Detective

June Challenge 2016

Devu and an Array

January Challenge 2018

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

Total Problems Solved: 26