RAKESH KUMAR

• Username: 2★cobra
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Allahabad Uttar Pradesh
• 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: 27

Current Ratings Graph Old Ratings Graph

1567 (+28)RatingProvisional
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May Challenge 2015(2015-05-18 15:00:00)

Global Rank:   1464

Cheated in:   

Ratings System Update

(2015-05-18 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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1567 (-53)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2015(2022-12-20 00:00:00)

Global Rank:   1464

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 (27)

April Challenge 2012

Double Strings

July Challenge 2012

Gift Rift

August Challenge 2012

Range of Data, Delivery Boy, Little Elephant and Bombs

August Cook-Off 2012

Code Crazy Minions

September Challenge 2012

Kisses & Hugs, Racing Horses

October Challenge 2012

Fierce Battles, The New Scheme

September Cook-Off 2012

Carvans

October Cook-Off 2012

Buying Sweets

November Challenge 2012

Coin Flip

January Challenge 2013

The Minimum Number Of Moves, End Of The World, Chef of the Year, Three Different Numbers

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1, Climbing Stairs

March Challenge 2013

Approximately, Tourist Translations

April Challenge 2013

Maximum Weight Difference, Levy Conjecture

April Cook-Off 2013

Andrew and the Meatballs

May Challenge 2013

Name Reduction

June Challenge 2013

To challenge or not, Lapindromes

May Cook-off 2013

Subtraction Game 1

November Challenge 2013

Uncle Johny, Missing some chairs

December Challenge 2013

Magic Pairs

May Cook-Off 2014

Divide the Cake, Ups and Downs

February Challenge 2014

Longest Common Pattern, Little Elephant and Subarrays

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence

May Challenge 2015

Chef and Prime Divisors, Set Difference , Chef and new recipe

February Cook-Off 2015

Fit Squares in Triangle

Total Problems Solved: 79