Rishi Ranjan

• Username: 2★rishi767723882
• Country:  India
• Student/Professional:Student
• Institution:Haldia Institute of Technology Haldia, West Bengal
• 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: 16

Current Ratings Graph Old Ratings Graph

1561 (-2)RatingProvisional
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December Challenge 2020 Division 2(2020-12-14 15:00:02)

Global Rank:   5594

Cheated in:   

Ratings System Update

(2020-12-14 15:00:02)

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?

1561 (-58)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   5594

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 (16)

May Challenge 2020 Division 2

Isolation Centers, Coronavirus Spread

May Cook-Off 2020 Division 2

Chef and Recipe

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends

June Challenge 2020 Division 2

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

July Challenge 2020 Division 2

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

August Challenge 2020 Division 2

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

September Challenge 2020 Division 2

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

July Cook-Off 2020 Division 2

Even-tual Reduction

July Lunchtime 2020 Division 2

Chef and Steps

August Cook-Off 2020 Division 2

Chef and Work, Polygon Relationship

August Lunchtime 2020 Division 2

Mode of Frequencies

June Cook-Off 2020 Division 2

Cache Hits

June Lunchtime 2020 Division 2

Chef and Demonetisation

December Challenge 2020 Division 2

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

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian

Total Problems Solved: 74