Rajbir Banerjee

• Username: 3★rajbir21
• Country:  India
• Student/Professional:Student
• Institution:Coochbehar Government Engineering College Harinchawra, West Bengal
• 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: 16

Current Ratings Graph Old Ratings Graph

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December Cook-Off 2021 Division 2(2021-12-19 22:30:02)

Global Rank:   666

Cheated in:   

Ratings System Update

(2021-12-19 22:30:02)

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1636 (-165)RatingProvisional
Rating i Provisional Rating, click to know more

December Cook-Off 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   666

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)

May Cook-Off 2021 Division 3

Marathon

May Lunchtime 2021 Division 3

Hoop Jump

May Challenge 2021 Division 3 (Rated)

Golf, Solubility

August Challenge 2021 Division 3 (Rated)

Special Triplets, Problem Difficulties, Olympics Ranking

CodeChef Starters 10 Division 3 (Rated)

Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum

September Challenge 2021 Division 3 (Rated)

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 3

Fake GCD, Adjacency Hatred, Zebra Crossing, Cars and Bikes

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 11 Division 3 (Rated)

The Grid Fill Problem, Find the Direction, Obtain the Sum, The Two Dishes

CodeChef Starters 12 Division 3 (Rated)

K - balanced string, Make it Divisible, Good Weather

CodeChef Starters 13 Division 3 (Rated)

Chef in Vaccination Queue, Maximum Light Up, The Preparations, Magical Doors

CodeChef Starters 14 Division 3 (Rated)

RCB and Playoffs, FIXFIX, Task Times, Odd GCD, Diagonal movement

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, Digit Removal, MEX-OR, Three Boxes, Which Mixture

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Yet another SOD problem

CodeChef Starters 16 Division 2 (Unrated)

Professor And Directions, Chef And Salary Pay

SnackDown 2021 - Online Round 1A

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

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu

November Challenge 2021 Division 2 (Unrated)

Weird Palindrome Making, Which Fuel is Cheaper, Hill Sequence, Equal Coins

November Cook-Off 2021 Division 2

Missing Sums, Make it Divisible

CodeChef Starters 17 Division 2 (Rated)

Binary Inversion, GCD of Prefixes, New Piece

CodeChef Starters 19 Division 2 (Rated)

Distinct Elements, Indivisible Permutation

CodeChef Starters 20 Division 2 (Unrated)

Stable Sequence

December Cook-Off 2021 Division 2

Median Minimization, Binary String Game, Musical Chairs

February Long 2022 - II, Division 2 (Unrated)

Avoid Fixed Points, Xor Palindrome

March Long One 2022, Division 2 (Unrated)

Akash and Function, Exact Marks

Total Problems Solved: 225