Prakhar Rastogi

• Username: 3★prakhar21
• Country:  India
• Student/Professional:Professional
• Organisation:Arista Networks
• 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: 18

Current Ratings Graph Old Ratings Graph

1653 (-49)RatingProvisional
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September Challenge 2018 Division 2(2018-09-17 15:00:02)

Global Rank:   6772

Cheated in:   

Ratings System Update

(2018-09-17 15:00:02)

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1653 (+294)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   6772

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 (18)

January Challenge 2013

Chef of the Year, The Minimum Number Of Moves, Three Different Numbers

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1, Climbing Stairs, Efficient Painting

March Challenge 2013

Random decreasing function, Tourist Translations, Approximately, Fire Escape Routes, Minesweeper

July Challenge 2013

Galactik Football, Circle of death, Sereja and Sorting, Count K-Primes, Chef and Walking on the rectangle , The Probability Of Winning, Mountain Holidays

July Cook-off 2013

Chopsticks, A Plus B Again!

August Challenge 2013

Splitting Candies, Deleting numbers, Chef and Segments, Save The Princess, Hello Hello, Little Elephant and Lemonade, The Number Of Solutions

August Cook-Off 2013

Chef and The Right Triangles

March Cook-Off 2014

Dividing Stamps

April Challenge 2014

Sereja and Permutation, Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Chef and Interview, Chef and Piano Scales, Broken Telephone

May Challenge 2015

Chef and Prime Divisors, Set Difference , Chef and new recipe

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

July Challenge 2015

Bread, Chef and Cube

June Cook-Off 2015

Strange operations

May Challenge 2018 Division 2

Xor Again

September Challenge 2018 Division 2

Magician versus Chef

Total Problems Solved: 83