Sayan Bose

• Username: 4★sekai_no_owari
• Country:  India
• Student/Professional:Student
• Institution:Future Institute of Engineering and Management Boral, Kolkata, West Bengal
• 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: 4

Current Ratings Graph Old Ratings Graph

1960? (+130)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2020 Division 2(2020-03-16 15:00:02)

Global Rank:   95

Cheated in:   

Ratings System Update

(2020-03-16 15:00:02)

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?

1960 (+55)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   95

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 (4)

December Challenge 2019 Division 2

Easy Subsequence Selection, That Is My Score!, Addition, Plus Multiply

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Chefina and Prefix Suffix Sums, Breaking Bricks

February Challenge 2020 Division 2

No Change Required, Long Contest and Cook Off Overlaps, Hard Cash, School of Geometry, The Theatre Problem, Chef and Railway Stations

March Challenge 2020 Division 2

Chef and DAG, XOR Engine, Ada Bishop 2, Pintu and Fruits

SnackDown 2021 - Online Qualifiers

Lucky Number

Total Problems Solved: 47