Arun Karthikeyan

• Username: 4★mecodesta
• Country:  India
• Student/Professional:Professional
• Organisation:Not Interested To Mention
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 33

Current Ratings Graph Old Ratings Graph

1868 (+41)RatingProvisional
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October Challenge 2016(2016-10-17 15:00:00)

Global Rank:   122

Cheated in:   

Ratings System Update

(2016-10-17 15:00:00)

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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1868 (+11)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2016(2022-12-20 00:00:00)

Global Rank:   122

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 (33)

September Challenge 2012

Racing Horses

October Challenge 2012

Little Elephant and Order, The New Scheme, Fierce Battles, Event Organizer

September Cook-Off 2012

Recipe Reconstruction, Carvans

October Cook-Off 2012

Buying Sweets

November Challenge 2012

Delicious Dishes, Coin Flip, Sridhar Likes Travelling

November Cook-Off 2012

Little Elephant and Permutations

December Challenge 2012

Book Exercises, WordNinjas, Pizza Delivery, Magic Rankings, Granama Recipes

December Cook-Off 2012

Packaging Cupcakes, Reversing directions

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1, Climbing Stairs

March Challenge 2013

Fire Escape Routes, Approximately, Tourist Translations

March Cook-off 2013

The Ball And Cups

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, Kingdom Unity, Maximum Weight Difference, Levy Conjecture

May Challenge 2013

Field Trip, Your Name is Mine, Name Reduction, Password Cracking Challenge, Witua and Math, Matchsticks

June Challenge 2013

Lapindromes

May Cook-off 2013

Subtraction Game 1

July Challenge 2013

Chef and Walking on the rectangle , Count K-Primes, Circle of death

August Challenge 2013

Little Elephant and Lemonade, Hello Hello, Chef and Segments, Splitting Candies

November Challenge 2013

Square Digit Squares, Missing some chairs, Yet Another Cute Girl, Superpowers of 2, Uncle Johny

November Lunchtime 2013

Lucy and the Number Game

December Challenge 2013

Art in Digital Age, Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

December Cook-off 2013

Chef and Girlfriend

December Lunchtime 2013

Mike and Task Packages, Mike and Matrices

January Challenge 2014

Magic Trick, Sereja and Graph, Bon Appetit, Please like me, Chef and Feedback

January Cook-off 2014

Chef and the Cake I

February Challenge 2014

Colored Array, Little Elephant and Subarrays, Make Him Happy, Draughts, Longest Common Pattern

March Challenge 2014

Team Split, Binary Tournament, Walk, Little Chef and Numbers

August Challenge 2014

The Leaking Robot, Cleaning Tables, Chef and Gift

January Lunchtime 2014

Chef and Shop, Chef and String

June Lunchtime 2014

The Smallest Pair

June Challenge 2015

Steady tables, Chef and Memory Limit, Chef and Polygons

July Challenge 2015

Bread, Na2a and lucky stone, Chef and Cube

October Challenge 2016

Chef and Keyboard, Big Queries, Fenwick Iterations, Chef and Three Dogs, Chef and Two String

Total Problems Solved: 151