Ritam Biswas

• Username: 3★devrb
• Country:  India
• Student/Professional:Student
• Institution:Indraprastha Institute of Information Technology, Delhi 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: 20

Current Ratings Graph Old Ratings Graph

1637 (-24)RatingProvisional
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June Challenge 2020 Division 2(2020-06-15 15:00:02)

Global Rank:   6863

Cheated in:   

Ratings System Update

(2020-06-15 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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1637 (+50)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   6863

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 (20)

February Challenge 2016

Chef-Detective

March Challenge 2016

Palindromic substrings

April Challenge 2016

Chef and Ballons, Chef And Magical Path, Chef And Coloring, Help Watson Escape

May Challenge 2016

Chef and Balls, Laddu

August Challenge 2016

Chef and Chocolate

September Challenge 2016

Chef and digits of a number, Faded Palindromes, Chef and calculation

October Challenge 2016

Chef and Keyboard, Chef and Three Dogs, Fenwick Iterations

November Challenge 2016

Count Permutations

December Challenge 2016

Train Partner

October Cook-Off 2016

Watson asks Does Permutation Exist

February Challenge 2017

Chef and His Apartment Dues, Most Frequent Element

March Challenge 2017

Bandwidth of a matrix, Bear and Extra Number, Xenny and Alternating Tasks

April Challenge 2017

Chef and Divisor Tree, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

March Challenge 2019 Division 2

Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit

July Challenge 2019 Division 2

Minimum and Maximum, Chef and Mean , Parity Again

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples

June Challenge 2020 Division 2

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

Total Problems Solved: 43