Sivraj Subba

• Username: 3★prime_walker
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Lucknow Uttar Pradesh, 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: 12

Current Ratings Graph Old Ratings Graph

1742 (+36)RatingProvisional
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April Cook-Off 2021 Division 2(2021-04-19 00:30:02)

Global Rank:   747

Cheated in:   

Ratings System Update

(2021-04-19 00:30:02)

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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1742 (-81)RatingProvisional
Rating i Provisional Rating, click to know more

April Cook-Off 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   747

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 (12)

December Challenge 2018 Division 2

Chef and An Ideal Problem, Chef and Interactive Contests

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

Encoder (Rated for Division 2)

Paint the Wall

January Cook-Off 2019 Division 2

Ada School, Ada King

February Challenge 2019 Division 2

Manhattan Rectangle, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef

March Challenge 2019 Division 2

Chef and a Beautiful Digit, Chef and Number Game, Chef got Recipes

April Challenge 2019 Division 2

Playing with Numbers, Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing

September Challenge 2019 Division 1

Biladerim Icin, Fuzzy Linear Combinations, Chef Designed a Network

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, English

April Cook-Off 2021 Division 2

OR of ANDs, Chocolate Monger

Total Problems Solved: 95