rahul kumar singh

• Username: 3★rktsp
• Country:  India
• Student/Professional:Student
• Institution:Birla Institute of Technology Mesra Ranchi, Jharkhand, 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: 8

Current Ratings Graph Old Ratings Graph

1664 (-1)RatingProvisional
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June Challenge 2016(2016-06-15 15:00:00)

Global Rank:   2479

Cheated in:   

Ratings System Update

(2016-06-15 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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1664 (+14)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2016(2022-12-20 00:00:00)

Global Rank:   2479

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)

July Challenge 2013

Chef and Walking on the rectangle , The Probability Of Winning

July Cook-off 2013

Chopsticks

August Challenge 2013

Little Elephant and Lemonade, Hello Hello, Splitting Candies

September Challenge 2013

Cool Guys, Chef and Integers , CAO Stage-1, CAO Stage-2

October Challenge 2013

Maxim and Dividers, Helping Lira

October Challenge 2014

Remy paints the fence, Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

February Challenge 2015

Chef and Chain, Let us play with rank list, Chef and Equality

June Challenge 2016

Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array

Total Problems Solved: 48