Rahul Kumar

• Username: 1★rk666
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Roorkee Uttarakhand, India
• 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: 8

Current Ratings Graph Old Ratings Graph

1133 (-266)RatingProvisional
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June Challenge 2016(2016-06-15 15:00:00)

Global Rank:   6704

Cheated in:   

Ratings System Update

(2016-06-15 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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1133 (-142)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   6704

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 (8)

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

October Challenge 2015

Count Subarrays

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Lunchtime 2015

Sum of palindromic numbers

May Challenge 2016

Laddu

May Lunchtime 2016

Akhil And Colored Balls

Total Problems Solved: 23