Jeffin Biju

• Username: 5★jeffinbiju
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Madras
• 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: 12

Current Ratings Graph Old Ratings Graph

2085 (+39)RatingProvisional
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Starters 92 Division 1 (Rated till 6 Stars)(2023-05-31 22:00:00)

Global Rank:   47

Cheated in:   

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(2023-05-31 22:00:00)

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2056 (-147)RatingProvisional
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October Lunchtime 2021 Division 1(2022-12-20 00:00:00)

Global Rank:   95

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

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Learning Paths (0)

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Practice Paths (0)

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Contests (12)

August Challenge 2020 Division 2

Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements, Chef Wars - Return of the Jedi

September Challenge 2020 Division 2

A Problem on Sticks, Find XOR, Ada Matrix, Coronavirus Spread 2

January Challenge 2021 Division 2

Watching CPL, Fair Elections, Expected Number of SCCs, Guess the Tiling, Chef and Ants

February Lunchtime 2021 Division 2

Average Sorting, Palpal Strings, Coprime Range

March Lunchtime 2021 Division 2

Dinner by Candlelight, Racing, Lunchtime

April Challenge 2021 Division 2

Binary String MEX, Worthy Matrix, Chef and Dice

May Lunchtime 2021 Division 2

Charges, K-Subarrays, Tom And Jerry 1, Total Components

September Cook-Off 2021 Division 1

Chef and Pairwise Distances, Half Sequence, Fake Swaps

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

October Cook-Off 2021 Division 1

Can You Reach The End, Find the Modulus, Chef Up

October Lunchtime 2021 Division 1

Tree Upshot, Median Rearrangement

SnackDown 2021 - Online Round 1A

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

Starters 88 Division 1 (Rated till 6 Stars)

Maximum And Or, Chef and Asteroids

Starters 92 Division 1 (Rated till 6 Stars)

Rectangular Tiling, Dividing into Groups, Beautification of array, Distance Coloring

Total Problems Solved: 109