Subrata Biswas

• Username: 4★subrata1999
• Country:  India
• Student/Professional:Student
• Institution:Jalpaiguri Government Engineering College West Bengal, India
• 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: 36

Current Ratings Graph Old Ratings Graph

1864 (+54)RatingProvisional
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CodeChef Starters 28 Division 2 (Rated)(2022-03-02 23:00:02)

Global Rank:   97

Cheated in:   

Ratings System Update

(2022-03-02 23:00:02)

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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1864 (-234)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 28 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   97

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 (36)

September Mega Cook-Off 2018 Division 2

ATM Machine

October Mega Cook-Off 2018 Division 2

Ada and the Staircase

September Challenge 2018 Division 2

Magician versus Chef, Chef and Adventures

December Challenge 2018 Division 2

Max and Electrical Panel, Chef and Interactive Contests, Chef and An Ideal Problem

November Challenge 2018 Division 2

Chef and Ridges, Chef and Difficult Contests, Chef and Happiness

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

October Lunchtime 2018 Division 2

Three Friends

January Challenge 2019 Division 2

Lucky Number Game, Distinct Pairs, Fancy Quotes

February Challenge 2019 Division 2

Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef

March Challenge 2019 Division 2

Chef and Number Game, Chef and a Beautiful Digit

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining, Fencing

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Guddu on a Date

July Challenge 2019 Division 2

Chef and Mean

August Challenge 2019 Division 2

Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves

September Challenge 2019 Division 2

Easy Fibonacci, Chef and Interesting Subsequences

October Challenge 2019 Division 2

Operations on a Matrix, Phone Prices

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

February Challenge 2020 Division 2

Chef and Railway Stations, No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

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

January Lunchtime 2020 Division 2

Bob and His Friends, Chef and Street Food

August Challenge 2020 Division 1

Smallest KMP

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Ada Matrix

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda

October Lunchtime 2020 Division 2

AND Plus OR

January Cook-Off 2021 Division 3

Prime Tuples, Distinct Pair Sums, Maximise Islands, Password

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Multiple Games, XOR Sums, Maximise Function

March Challenge 2021 Division 2

Interesting XOR!, College Life 4, Paparazzi Gennady, Space Arrays

June Lunchtime 2021 Division 2

False Number, Unpleasant Ones

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

November Lunchtime 2021 Division 2

Expected Weight, Strange Minimization, Rapid Re-Orderings

February Lunchtime 2022 Division 2

Four Equidistant Points on a Grid, Parallel Processing, Magical Modulo, Magnet Sort

CodeChef Starters 28 Division 2 (Rated)

Travelling in the Graph, Permutation Xority, Count the Holidays

Total Problems Solved: 148