Roshan Kumar

• Username: 1★rkumar0101
• Country:  India
• Student/Professional:Student
• Institution:Bipin Tripathi Kumaon Institute of Technology Dwarahat, Uttarakhand
• 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: 6

Current Ratings Graph Old Ratings Graph

1282 (+55)RatingProvisional
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November Challenge 2019 Division 2(2019-11-11 15:00:02)

Global Rank:   2862

Cheated in:   

Ratings System Update

(2019-11-11 15:00:02)

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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1282 (-122)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   2862

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 (6)

May Challenge 2019 Division 2

Reduce to One

July Challenge 2019 Division 2

Minimum and Maximum, Chef and Mean

September Challenge 2019 Division 2

Easy Fibonacci, Chef and Interesting Subsequences

September Lunchtime 2019 Division 2

Chef Feeds Cats

October Challenge 2019 Division 2

Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

Total Problems Solved: 27