Rishabh Dev Shukla

• Username: 3★rishabh_dev
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kanpur
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 28

Current Ratings Graph Old Ratings Graph

1646 (-30)RatingProvisional
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May Challenge 2020 Division 2(2020-05-11 15:00:02)

Global Rank:   6948

Cheated in:   

Ratings System Update

(2020-05-11 15:00:02)

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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1646 (+61)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   6948

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 (28)

December Cook-Off

Ciel and A-B Problem

August Cook-Off 2013

Chef and The Right Triangles

September Challenge 2013

CAO Stage-1

October Challenge 2013

Helping Lira

February Cook-Off 2014

Chef and Remissness

February Challenge 2014

Longest Common Pattern, Little Elephant and Subarrays

March Challenge 2014

Walk

May Challenge 2015

Chef and new recipe

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

July Challenge 2015

Bread, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Gravity Guy, Cooking Machine

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

October Challenge 2015

Count Subarrays, Who dares to be a millionaire

June Cook-Off 2015

Strange operations

December Challenge 2018 Division 2

Chef and Interactive Contests, Chef and An Ideal Problem

June Challenge 2019 Division 2

Chef and Proxy

September Challenge 2019 Division 2

Chef and Interesting Subsequences , Chef Designed a Network, Easy Fibonacci

October Challenge 2019 Division 2

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

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

February Challenge 2020 Division 2

Hard Cash, Long Contest and Cook Off Overlaps, School of Geometry, The Theatre Problem, No Change Required

March Challenge 2020 Division 2

Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

Total Problems Solved: 64