Rajan Kumar Singh

• Username: 3★rajan9519
• Country:  India
• Student/Professional:Student
• Institution:Visvesvaraya National Institute of Technology, Nagpur Maharashtra, 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: 10

Current Ratings Graph Old Ratings Graph

1753 (+71)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   450

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?

1753 (-68)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   450

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 (10)

July Cook-Off 2019 Division 2

Playing with Strings

August Challenge 2019 Division 2

Football, Distribute Apples, Zombie and the Caves

September Challenge 2019 Division 2

Easy Fibonacci, Chef and Interesting Subsequences

September Mega Cook-Off 2019 Division 2

Playing with Matches

September Lunchtime 2019 Division 2

Chef Feeds Cats, Chef and Football Match

October Challenge 2019 Division 2

Phone Prices, Operations on a Matrix, Array Modification, Chef and Maximum Star Value, Missing Number, Even Edges

November Challenge 2019 Division 2

Physical Exercise, Hard Sequence, From Zero to Infinity, A Simple Game, Weapon Value, Chef and Minimum Colouring

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

Total Problems Solved: 52