Debadipto Biswas

• Username: 4★rky21
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Silchar Assam, 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: 23

Current Ratings Graph Old Ratings Graph

1915 (-34)RatingProvisional
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Starters 72 Division 2 (Rated)(2023-01-04 23:00:02)

Global Rank:   875

Cheated in:   

Ratings System Update

(2023-01-04 23:00:02)

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1949 (-29)RatingProvisional
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Starters 62 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   31

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 (23)

December Cook-Off 2019 Division 2

Change It

January Challenge 2020 Division 2

Chef and Dynamo, Breaking Bricks, Doraemon, Equality

February Challenge 2020 Division 2

The Theatre Problem, School of Geometry, Hard Cash

April Challenge 2020 Division 2

COVID Pandemic and Long Queue, Leaked Answers (Challenge), Sell All the Cars, Unit GCD, Squared Subsequences, Strange Number

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

April Lunchtime 2020 Division 2

Chef in Fantasy League

May Lunchtime 2020 Division 2

Weird Walk, Convert the String, Lost Weekends

July Challenge 2020 Division 2

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

August Cook-Off 2020 Division 1

Polygon Relationship

May Challenge 2021 Division 2 (Rated)

Valid Paths, Tree House, Xor Equality, Tic Tac Toe

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph, Chef and Deque

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Min Max LCM, Equal Beauty, Round Robin Ranks , Dance Moves

SnackDown 2021 - Online Pre-Elimination

Product Pain

January Long 2022 - I, Division 2 (Unrated)

Prime in a binary string, Retrieve back the Array, Chef and Riffles

January Long 2022 - II, Division 2 (Unrated)

Power Sum, Crying Colours

Exun 2021-22 Division 2 (Rated)

Vedant and his Hidden Array, Harshikaa and the Rain, Aujasvit and the Circle Game, Sarthak and his Magic Grid

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros, Permutation XOR Sum

CodeChef Starters 24 Division 2 (Rated)

Yet Another Constructive Problem, Divisors and Reciprocals, Anti Palindrome, Avoid Contact

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, Points and Lines

March Lunchtime 2022 Division 2

Sad Splits, Winter, Adjacency Love

May Cook-Off 2022 Division 2 (Rated)

Doubled Distances, Triple Inversions

July Lunchtime 2022 Division 1 (Rated)

Largest Family

Starters 61 Division 2 (Rated)

Minimise LCS, Weird Subarrays, Red Blue Flowers, Subarray Removal

Starters 62 Division 2 (Rated)

Joint XOR, Sorted Substrings, Make Multiple, Final Sum, Pythagorean Pair

Starters 72 Division 2 (Rated)

N Triplets

Total Problems Solved: 121