Rishabh

• Username: 1★rk_1901
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Raipur Chhattisgarh, India
• 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: 15

Current Ratings Graph Old Ratings Graph

1392 (-272)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 61 Division 2 (Rated)(2022-10-19 23:00:02)

Global Rank:   2107

Cheated in:   Plagiarised in START61B

Ratings System Update

(2022-10-19 23:00:02)

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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1392 (-53)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 61 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   2107

Cheated in:   Plagiarised in START61B

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 (15)

April Cook-Off 2020 Division 2

Lift Requests

April Lunchtime 2020 Division 2

Another Birthday Present!, Chef in Fantasy League

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Missing a Point, Chef and Strings, Chef and Card Game, Doctor Chef, Chefina and Swaps, Ada King

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements

September Challenge 2020 Division 2

Chefina and Swap, Coronavirus Spread 2, Ada Matrix, Chef and Trump Cards, A Problem on Sticks, Find XOR

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

RECode 12.0 (Rated for all)

Chef and String, Chef and Numbers

October Challenge 2020 Division 1

Covid Run, Replace for X, Positive AND

November Challenge 2020 Division 1

Restore Sequence

December Challenge 2020 Division 2

Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

Starters 61 Division 2 (Rated)

Minimise LCS, Subarray Removal

Total Problems Solved: 96