Roshan Mitra

• Username: 3★roshan06
• Country:  India
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 16

Current Ratings Graph Old Ratings Graph

1622 (-7)RatingProvisional
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April Challenge 2021 Division 2(2021-04-12 15:00:02)

Global Rank:   2803

Cheated in:   

Ratings System Update

(2021-04-12 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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1622 (-31)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   2803

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)

March Challenge 2020 Division 2

Ada Bishop 2, XOR Engine, Pintu and Fruits

April Challenge 2020 Division 2

Strange Number, Sell All the Cars, COVID Pandemic and Long Queue

March Cook-Off 2020 Division 2

Find Your Gift

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Chef and Card Game, Chef and Strings, Missing a Point, 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

August Lunchtime 2020 Division 2

Mode of Frequencies

October Challenge 2020 Division 2

Positive AND, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Iron, Magnet and Wall, Ada and Dishes, Restore Sequence

December Challenge 2020 Division 2

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

November Cook-Off 2020 Division 2

Flip the String, Chef and IPC Certificates

Coders' Legacy (Rated for all)

Chef vs Doof

UWCOI 2021 (Rated for all)

Hidden Numbers

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3, Point Of Impact, Encoded String

February Challenge 2021 Division 3

Frog Sort, Highest Divisor, Maximise Function, Prime Game, Chef and Meetings, Team Name

April Challenge 2021 Division 2

Worthy Matrix, Chef and Dice

CodeChef Starters 6 Division 2 (Unrated)

Three Dices, Cricket Ranking

CodeChef Starters 7 Division 2 (Unrated)

Chess Format, Food Chain

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1A

Dance Moves

Total Problems Solved: 89