Roshan Kumar

• Username: 2★roshan_k
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Guwahati Assam, 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: 6

Current Ratings Graph Old Ratings Graph

1526 (-31)RatingProvisional
Rating i Provisional Rating, click to know more

May Cook-Off 2020 Division 2(2020-05-25 00:00:02)

Global Rank:   3918

Cheated in:   

Ratings System Update

(2020-05-25 00:00:02)

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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1526 (-19)RatingProvisional
Rating i Provisional Rating, click to know more

May Cook-Off 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   3918

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)

Practice Paths (1)

Practice for ZCO and INOI

13%

Contests (6)

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Guddu on a Date

October Challenge 2019 Division 2

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

April Challenge 2020 Division 2

Strange Number, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

May Cook-Off 2020 Division 2

Chef and Recipe

Total Problems Solved: 29