Aftab Alam

• Username: 4★tab47
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Dhanbad
• 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: 22

Current Ratings Graph Old Ratings Graph

1848 (+29)RatingProvisional
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March Cook-Off 2022 Division 2(2022-03-05 22:30:02)

Global Rank:   410

Cheated in:   

Ratings System Update

(2022-03-05 22:30:02)

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1848 (-87)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   410

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 (22)

October Lunchtime 2018 Division 2

Three Friends

March Challenge 2019 Division 2

Chef and Number Game, Chef and a Beautiful Digit

June Lunchtime 2019 Division 2

Ping Paja Pong

July Challenge 2019 Division 2

Chef and Mean

July Cook-Off 2019 Division 2

Playing with Strings

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples, Zombie and the Caves

September Challenge 2019 Division 2

Easy Fibonacci, Chef and Interesting Subsequences

September Lunchtime 2019 Division 2

Chef Feeds Cats, Chef and Football Match

October Challenge 2019 Division 2

Operations on a Matrix, Phone Prices, Array Modification, Chef and Maximum Star Value, Missing Number

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

December Challenge 2019 Division 2

Plus Multiply, Easy Subsequence Selection, That Is My Score!, Addition

December Cook-Off 2019 Division 2

Change It

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

April Challenge 2020 Division 2

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

November Challenge 2020 Division 2

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

October Lunchtime 2020 Division 2

AND Plus OR

UWCOI 2021 (Rated for all)

Hidden Numbers, Array Swaps, Organisation

August Challenge 2021 Division 2 (Unrated)

Special Triplets, Array Filling, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

CodeChef Starters 17 Division 2 (Rated)

GCD of Prefixes, New Piece, Partition It, String Game, Binary Inversion

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence, Even Subset Xor, Merging Binary Strings, Equal LIS

February Cook-Off 2022 Division 2

Perfect Permutation, PerMEXuation , Prefix Permutation

March Cook-Off 2022 Division 2

Fixed Weight, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility

Total Problems Solved: 83