.Rishabh Thakur

• Username: 1★don_rt
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Roorkee Uttarakhand, India
• 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: 21

Current Ratings Graph Old Ratings Graph

1367 (-40)RatingProvisional
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August Challenge 2020 Division 2(2020-08-17 15:00:02)

Global Rank:   26377

Cheated in:   

Ratings System Update

(2020-08-17 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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1367 (-81)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   26377

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 (21)

May Challenge 2015

Chef and new recipe

June Challenge 2015

Chef and Memory Limit

July Challenge 2015

Na2a and lucky stone, Chef and Cube, Bread

August Challenge 2015

Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Cracking the Code, Count Steps in Matrix, Chain of Doughnuts

October Challenge 2015

Count Subarrays, Who dares to be a millionaire

December Challenge 2015

Chef and the stones

June Cook-Off 2015

Strange operations

July Cook-Off 2015

Cops and the Thief Devu, Maximize Disjoint Pair Sum

August Cook-Off 2015

Chef and the Wildcard Matching

May Lunchtime 2015

Devu and Grapes

July Lunchtime 2015

Puppy and game, Greedy puppy

August Lunchtime 2015

Minimum Maximum

January Long Challenge 2016

Churu and Balls

February Challenge 2016

Chef-Detective

March Challenge 2016

Palindromic substrings, maximize the sum, Chef And Special Dishes

September Challenge 2018 Division 2

Chef and Adventures, Magician versus Chef

November Challenge 2018 Division 2

Chef and Difficult Contests

July Challenge 2019 Division 2

Chef and Mean

February Challenge 2020 Division 2

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

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi

Total Problems Solved: 154