Shubham Kumar

• Username: 1★sonukr21
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kharagpur West Bengal, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 8

Current Ratings Graph Old Ratings Graph

1380 (+18)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2017(2017-12-11 15:00:00)

Global Rank:   3731

Cheated in:   

Ratings System Update

(2017-12-11 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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1380 (-69)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2017(2022-12-20 00:00:00)

Global Rank:   3731

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)

June Challenge 2016

Devu and an Array

August Challenge 2016

Chef and Chocolate

September Challenge 2016

Chef and digits of a number, Faded Palindromes

December Challenge 2016

Train Partner

July Challenge 2017

Whats in the Name

December Challenge 2017

Chef And his Cake

Total Problems Solved: 31