Rishabh Singh

• Username: 3★rishabhks
• Country:  India
• Student/Professional:Student
• Institution:Millia Institute of Technology Rambagh Purnea, Purnea, Bihar
• 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: 19

Current Ratings Graph Old Ratings Graph

1607 (-9)RatingProvisional
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November Lunchtime 2021 Division 2(2021-11-27 22:30:02)

Global Rank:   1561

Cheated in:   

Ratings System Update

(2021-11-27 22:30:02)

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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1607 (-64)RatingProvisional
Rating i Provisional Rating, click to know more

November Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   1561

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 (19)

August Cook-Off 2019 Division 2

Chef Drinks Coke

October Lunchtime 2019 Division 2

Khaled in HIT, Counting Inversions Revisited

December Challenge 2019 Division 2

Plus Multiply, Binary XOR, Easy Subsequence Selection, That Is My Score!, Addition

Biteration #2 (Rated for Division 2)

A - Books

August Challenge 2020 Division 2

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

December Cook-Off 2020 Division 2

Minimum Attendance Requirement

December Lunchtime 2020 Division 2 (Unrated)

Sed Sequences

March Lunchtime 2021 Division 2

Dinner by Candlelight, Racing

May Lunchtime 2021 Division 3

Tom And Jerry 1, Hoop Jump, Birthday Gifts, Charges

June Cook-Off 2021 Division 2

The Wave

June Lunchtime 2021 Division 2

False Number

June CodeChef Starters 2021 Division 3 (Rated)

Total Correct Submissions, Sleep Cycle, Chess Match, Cyclic Quadrilateral

August Lunchtime 2021 Division 2

K-th Maximum, Just a Graph

September Cook-Off 2021 Division 2

Adjacency Hatred

CodeChef Starters 12 Division 3 (Rated)

Good Weather, Make it Divisible

CodeChef Starters 13 Division 2 (Rated)

Chef in Vaccination Queue, Maximum Light Up, Magical Doors

CodeChef Starters 14 Division 2 (Unrated)

Odd GCD, Diagonal movement, FIXFIX

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Yet another SOD problem

November Lunchtime 2021 Division 2

Expected Weight

Total Problems Solved: 67