Roushan Kumar Suman

• Username: 2★rayson_41
• Country:  India
• Student/Professional:Student
• Institution:Institute of Engineering and Management, Kolkata West Bengal, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 8

Current Ratings Graph Old Ratings Graph

1411 (+43)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2021 Division 3(2021-03-15 15:00:04)

Global Rank:   3746

Cheated in:   

Ratings System Update

(2021-03-15 15:00:04)

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?

1411 (-117)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2021 Division 3(2022-12-20 00:00:00)

Global Rank:   3746

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

4%

Contests (8)

October Challenge 2020 Division 2

Chef and Easy Queries, Covid Run

November Challenge 2020 Division 2

Restore Sequence

December Challenge 2020 Division 2

Positive Prefixes, Even Pair Sum, Vaccine Distribution

December Cook-Off 2020 Division 2

Minimum Attendance Requirement

UWCOI 2021 (Rated for all)

Hidden Numbers

January Challenge 2021 Division 3

Chef and Division 3

February Challenge 2021 Division 3

Frog Sort, Chef and Meetings, Maximise Function, Highest Divisor

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, Space Arrays, No Time to Wait

Total Problems Solved: 52