Rifat Rahman

• Username: 2★rifat_rahman
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Metropolitan University, Sylhet Bangladesh
• 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: 26

Current Ratings Graph Old Ratings Graph

1563 (+32)RatingProvisional
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Starters 51 Division 3 (Rated)(2022-08-10 23:00:04)

Global Rank:   511

Cheated in:   

Ratings System Update

(2022-08-10 23:00:04)

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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1563 (-41)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 51 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   511

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 (26)

August Challenge 2019 Division 2

Football, Distribute Apples, Dilemma

October Lunchtime 2019 Division 2

Khaled in HIT

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

November Cook-Off 2019 Division 2

Chef Diet

November Lunchtime 2019 Division 2

Planting Trees, Compress the List

December Challenge 2019 Division 2

Plus Multiply, That Is My Score!

December Lunchtime 2019 Division 2

Stupid Machine

January Challenge 2020 Division 2

Breaking Bricks

February Challenge 2020 Division 2

School of Geometry, Hard Cash

March Challenge 2020 Division 2

Pintu and Fruits

April Challenge 2020 Division 2

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

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

February Cook-Off 2020 Division 2

Tax Slabs

June Challenge 2020 Division 2

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

August Challenge 2020 Division 2

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

November Challenge 2020 Division 2

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

January Challenge 2021 Division 2

Fair Elections

December Challenge 2020 Division 2

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

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array

CodeChef Starters 23 Division 2 (Unrated)

Average of Three, Subarray Mex

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros

CodeChef Starters 27 Division 2 (Rated)

Distinct Binary Strings, The product mystery

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array

March Cook-Off 2022 Division 2

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

July Cook-Off 2022 Division 2 (Rated)

Permutation And Median, Xor Permutation

Starters 50 Division 2 (Rated)

Permutation GCD, Average Permutation

Starters 51 Division 3 (Rated)

Split N, Copy and Paste, Different Medians, TV Discount, Dominant Element

Total Problems Solved: 161