Muhammad Ishaan

• Username: 4★md_ishaan
• Country:  Bangladesh
• Student/Professional:Student
• Institution:International Islamic University Chittagong Bangladesh
• 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: 23

Current Ratings Graph Old Ratings Graph

1897 (+47)RatingProvisional
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CodeChef Starters 22 Division 2 (Rated)(2022-01-19 23:00:02)

Global Rank:   211

Cheated in:   

Ratings System Update

(2022-01-19 23:00:02)

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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1897 (-121)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 22 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   211

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 (23)

November Challenge 2018 Division 2

Chef and Difficult Contests

October Challenge 2018 Division 2

Chef and Serves

October Lunchtime 2018 Division 2

Three Friends

August Challenge 2019 Division 2

Football, Distribute Apples

October Lunchtime 2019 Division 2

Khaled in HIT

February Challenge 2020 Division 2

School of Geometry, Hard Cash

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

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

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

April Lunchtime 2020 Division 2

Another Birthday Present!, Chef in Fantasy League

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends, Convert the String

August Challenge 2020 Division 1

Subsequence Frequency Counting, Smallest KMP, Chef and Wedding Arrangements

August Cook-Off 2020 Division 1

Polygon Relationship

August Lunchtime 2020 Division 1

Game on a Strip, Alien Invasion

RECode 12.0 (Rated for all)

Chef and String, Chef and Rotation, Chef and Numbers

October Challenge 2020 Division 1

Replace for X, Positive AND

May Challenge 2021 Division 2 (Rated)

Valid Paths, Tree House, An Interesting Sequence, King Killing, Xor Equality, Tic Tac Toe, Modular Equation

June Challenge 2021 Division 2 (Unrated)

Minimum Subtree Cover, Summer Heat, Dual Distance, Bitwise Tuples, Bella ciao, Minimum Dual Area, Shortest Route

August Challenge 2021 Division 2 (Unrated)

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

August Cook-Off 2021 Division 2

Different String, Chef and Closure, Equal Difference

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph

September Challenge 2021 Division 2 (Unrated)

XOR Equal, Travel Pass, Airline Restrictions, Shuffling Parities

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, Digit Removal, MEX-OR

SnackDown 2021 - Online Round 1A

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

November Challenge 2021 Division 2 (Unrated)

Xor Equation, Weird Palindrome Making, Hill Sequence, Equal Coins, Maximise the bridges

FizzBuzz Division 2 (Rated)

Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach

December Challenge 2021 Division 2 (Unrated)

Rock Paper Scissors, Squares Counting, List of Lists, Pyramid Traversal, Valleys and Hills, Increasing String

CodeChef Starters 22 Division 2 (Rated)

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

Infinity 2k21 Division 2 (Rated)

Marbles, Tug of War

January Long 2022 - I, Division 2 (Unrated)

Prime in a binary string

January Long 2022 - II, Division 2 (Unrated)

Power Sum, Crying Colours

Total Problems Solved: 306