Rahul Kumar

• Username: 2★rahul199215
• Country:  India
• Student/Professional:Student
• Institution:Sharda University
• 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: 20

Current Ratings Graph Old Ratings Graph

1507 (-1)RatingProvisional
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August Long Challenge 2017(2017-08-18 15:00:00)

Global Rank:   5188

Cheated in:   

Ratings System Update

(2017-08-18 15:00:00)

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1507 (-29)RatingProvisional
Rating i Provisional Rating, click to know more

August Long Challenge 2017(2022-12-20 00:00:00)

Global Rank:   5188

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 (20)

October Cook-Off 2014

Walk on the Axis

February Challenge 2014

Longest Common Pattern

March Challenge 2014

Walk

June Challenge 2014

Chef and Subarray, Guessing Game

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Distinct Characters Subsequence, Let us construct palindrome

December Challenge 2014

Chef and Apple Trees

May Challenge 2015

Chef and new recipe

August Challenge 2015

Gravity Guy, Cooking Machine

December Challenge 2015

Chef and the stones

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

March Challenge 2016

Palindromic substrings

September Challenge 2016

Chef and digits of a number, Faded Palindromes, Chef and calculation

February Lunchtime 2016

Chef and Socks

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

May Challenge 2017

Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers

August Long Challenge 2017

Palindromic Game

Total Problems Solved: 84