Rishabh Kumar

• Username: 4★rishkumar01
• Country:  India
• Student/Professional:Student
• Institution:Sardar Vallabhbhai National Institute of Technology, Surat Gujarat, 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: 17

Current Ratings Graph Old Ratings Graph

1856 (-5)RatingProvisional
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January Challenge 2020 Division 1(2020-01-13 15:00:00)

Global Rank:   545

Cheated in:   

Ratings System Update

(2020-01-13 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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1856 (-41)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   545

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 (17)

June Cook-Off 2018 Division 2

Archi and Comparsion

July Cook-Off 2018 Division 2

Encoding Message, OR Matrix

August Cook-Off 2018 Division 2

Mixi Game, Balsa For The Three

October Mega Cook-Off 2018 Division 2

Binary Nim 2, Ada and the Staircase

June Challenge 2018 Division 2

Binary Shuffle, Naive Chef

July Challenge 2018 Division 2

Magic Set, Strike or Spare

August Challenge 2018 Division 2

Problem Sort, Spell Bob, Sheokand and Number, Modular GCD

September Challenge 2018 Division 2

Magician versus Chef, War of XORs, Chef and Condition Zero (Challenge), Chef and Adventures, Bad Shuffle

December Challenge 2018 Division 1

Max and Electrical Panel, Chef and Interactive XOR

November Challenge 2018 Division 1

Chef and Ridges, Chef, Primes and Trees (Challenge), Appy Loves One

October Challenge 2018 Division 2

Appy and Balloons , Minimize Digitsum, Chef and Serves, Byte to Bit, Chef and Circles

August Lunchtime 2018 Division 2

Chef and Problem Setting, Chef and Eid

Encoder (Rated for Division 2)

Knight Chess

February Challenge 2019 Division 1

Art of Balance, Chef and Secret Ingredients

February Cook-Off 2019 Division 2

Max Range Queries, Chef and Secret Password, Buying New Tablet, Chef and Party

October Lunchtime 2019 Division 2

Khaled in HIT, Box Game, Counting Inversions Revisited

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums

Total Problems Solved: 88