Bihan Chakraborty

• Username: 3★bihan_c
• Country:  India
• Student/Professional:Student
• Institution:University Of Engineering & Management, Kolkata West Bengal, 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: 33

Current Ratings Graph Old Ratings Graph

1668 (-46)RatingProvisional
Rating i Provisional Rating, click to know more

June Cook-Off 2022 Division 2 (Rated)(2022-06-05 22:30:02)

Global Rank:   2408

Cheated in:   

Ratings System Update

(2022-06-05 22:30:02)

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?

1668 (-1)RatingProvisional
Rating i Provisional Rating, click to know more

June Cook-Off 2022 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   2408

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)

None

Practice Paths (0)

None

Contests (33)

April Challenge 2020 Division 2

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

June Challenge 2020 Division 2

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

June Cook-Off 2020 Division 2

Cache Hits

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, Iron, Magnet and Wall

January Challenge 2021 Division 2

Chef and Ants, Watching CPL, Fair Elections

December Challenge 2020 Division 2

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

December Cook-Off 2020 Division 2

Self-Destructing Strings, Catch the Thief, Minimum Attendance Requirement

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda

November Cook-Off 2020 Division 2

Flip the String, Chef and IPC Certificates

October Lunchtime 2020 Division 2

AND Plus OR

November Lunchtime 2020 Division 2

Gasoline Introduction

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

July Lunchtime 2021 Division 2

Beautiful Pairs, Array Rotation Returns

August Challenge 2021 Division 2 (Unrated)

Chef and Bulb Invention

August Lunchtime 2021 Division 3

K-th Maximum, Maximum Length Even Subarray, Programming Languages, Just a Graph

CodeChef Starters 9 Division 2 (Unrated)

Black cells in a chessboard, Large Square, Bus full of passengers, India Fights Corona

CodeChef Starters 10 Division 2 (Rated)

Maximise the Subsequence Sum, Remove One Element

AlgoManiac - Code For Future Division 2 (Unrated)

Planetary Path, Say No To Drugs, The Rumbling, The Old Saint And Three Questions, Meet In The Median

September Challenge 2021 Division 2 (Unrated)

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 11 Division 2 (Rated)

Positive Spewing, The Grid Fill Problem, Obtain the Sum

CodeChef Starters 12 Division 2 (Unrated)

Make it Divisible

CodeChef Starters 14 Division 2 (Unrated)

Odd GCD, Diagonal movement, FIXFIX

CodeChef Starters 16 Division 2 (Unrated)

Professor And Directions

October Cook-Off 2021 Division 2

Odd Sum, 01 Subsequence

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

CodeChef Starters 17 Division 2 (Rated)

Binary Inversion, GCD of Prefixes, New Piece

C.O.D.E.R.S Division 2 (Rated)

The One On The Last Night, The One with All the Candy

FizzBuzz Division 2 (Rated)

Magical Planks, Can_Reach

November Lunchtime 2021 Division 2

Rapid Re-Orderings

January Long 2022 - II, Division 2 (Unrated)

Crying Colours

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros

CodeChef Starters 24 Division 2 (Rated)

Avoid Contact

CodeChef Starters 26 Division 3 (Rated)

Stone Game, Careless Chef, Count the Notebooks, Hostel Room, Control the Pollution

CodeChef Starters 27 Division 2 (Rated)

String Reverse, Distinct Binary Strings, The product mystery

February Lunchtime 2022 Division 2

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

CodeChef Starters 28 Division 2 (Rated)

Travelling in the Graph, Permutation Xority, Count the Holidays

CodeChef Starters 33 Division 2 (Rated)

Distinct Dilemma, Non Adjacent Flips, Make Them Equal

Total Problems Solved: 150