Hossain

• Username: 3★mh2k
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Sylhet Engineering College, Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 35

Current Ratings Graph Old Ratings Graph

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Starters 48 Division 2 (Rated)(2022-07-20 23:00:02)

Global Rank:   1373

Cheated in:   

Ratings System Update

(2022-07-20 23:00:02)

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1690 (-10)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 48 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1373

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 (35)

October Challenge 2020 Division 2

Replace for X, Covid Run, Chef and Easy Queries, Positive AND

November Challenge 2020 Division 2

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

January Cook-Off 2021 Division 2

Prime Tuples

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda

September Lunchtime 2020 Division 2

Watermelon, GCD operations

July Cook-Off 2021 Division 2

Mod Equality

July Lunchtime 2021 Division 2

Beautiful Pairs

September Cook-Off 2021 Division 3

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

CodeChef Starters 11 Division 2 (Rated)

The Grid Fill Problem, Obtain the Sum

CodeChef Starters 13 Division 2 (Rated)

Magical Doors, Maximum Light Up, Chef in Vaccination Queue, Add and Divide

September Lunchtime 2021 Division 2

Yet another SOD problem, Balanced and Unique Arrays

October Cook-Off 2021 Division 2

Can You Reach The End, Odd Sum, 01 Subsequence

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

November Cook-Off 2021 Division 2

Product Pain, Missing Sums, Make it Divisible

CodeChef Starters 17 Division 2 (Rated)

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

CodeChef Starters 18 Division 2 (Unrated)

Compare those strings, Make them equal

CodeChef Starters 19 Division 2 (Rated)

Indivisible Permutation

C.O.D.E.R.S Division 2 (Rated)

The One On The Last Night, The One with All the Candy, The One with Ross Wedding

November Lunchtime 2021 Division 2

Rapid Re-Orderings, Expected Weight, Strange Minimization

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, ChefWM, And Or Union

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros

CodeChef Starters 24 Division 2 (Rated)

Yet Another Constructive Problem, Avoid Contact

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, Points and Lines

Starters 36 Division 3 (Rated)

Presents for Cheffina, Chef and Bird farm

Starters 38 Division 3 (Rated)

Good Pairs, Dominant Army, Circular Track

Starters 39 Division 3 (Rated)

A or B, Closest Vowels, Compress the Video, Recent contest problems

Starters 41 Division 3 (Rated)

Equal Integers, Determine the Winner

Starters 42 Division 3 (Rated)

Minimum or Maximum, Divisible by 3, How Many Maximums, Minimum number of Flips

Starters 43 Division 3 (Rated)

DNA Storage, Joining Date, Distinct Palindrome, The Optimal Pairs, Make them Equal

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, Max Shift After XOR, Equal by XORing

Starters 46 Division 2 (Rated)

Array sorting, Sort the String

Starters 48 Division 2 (Rated)

Fill The Grid, Make Palindrome 2, Positive array

Total Problems Solved: 105