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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » S. M. MAHMUD HOSSAIN
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S. M. MAHMUD HOSSAIN

  • 3★secret_chef
  •   Bangladesh
  • Student
  • Shahjalal University of Science & Technology Sylhet, Bangladesh
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 83
1671 (+14)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 193 (Rated)(2025-07-02 22:30:02)
Global Rank:   815
Cheated in:   

Ratings System Update

(2025-07-02 22:30:02)
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?
1630 (-9)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 63 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   883
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)

None

Practice Paths (0)

None

Contests (83)

April Lunchtime 2021 Division 3

Chef in Heaven , Equinox Strings, Coldplay

May Lunchtime 2021 Division 3

Birthday Gifts, Hoop Jump, Tom And Jerry 1

May Challenge 2021 Division 3 (Rated)

Xor Equality, Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Bella ciao, Summer Heat

June Cook-Off 2021 Division 3

ICPC Balloons, Chefland Visa

June Lunchtime 2021 Division 3

From Rational to Binary, False Number, HTML Tags, Richie Rich

June CodeChef Starters 2021 Division 3 (Rated)

Total Correct Submissions, Chess Match, Cyclic Quadrilateral

July Challenge 2021 Division 3 (Rated)

XxOoRr, Maximum Production, Relativity

July Lunchtime 2021 Division 3

Chef and Spells, Beautiful Pairs, Red Alert

CodeChef Starters 6 Division 3 (Rated)

Even tuples, Three Dices, Cricket Ranking

CodeChef Starters 7 Division 2 (Unrated)

Ceiling Sum, Chess Format, Food Chain

August Challenge 2021 Division 2 (Unrated)

Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

August Cook-Off 2021 Division 2

Equal Difference

August Lunchtime 2021 Division 3

K-th Maximum, Maximum Length Even Subarray, Programming Languages

CodeChef Starters 10 Division 3 (Rated)

Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum, Remove One Element

September Challenge 2021 Division 2 (Unrated)

Shuffling Parities, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 2

Zebra Crossing, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 11 Division 2 (Rated)

The Grid Fill Problem, Obtain the Sum

CodeChef Starters 13 Division 2 (Rated)

Chef in Vaccination Queue, Maximum Light Up, Magical Doors

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Alice vs Bob Faceoff, Yet another SOD problem

CodeChef Starters 16 Division 2 (Unrated)

Pass or Fail

October Cook-Off 2021 Division 2

Odd Sum, 01 Subsequence

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

November Challenge 2021 Division 2 (Unrated)

Weird Palindrome Making, Hill Sequence, Equal Coins

CodeChef Starters 17 Division 2 (Rated)

Binary Inversion, GCD of Prefixes, New Piece

CodeChef Starters 19 Division 3 (Rated)

Chef and Contest, Sleepy Chef, Indivisible Permutation

FizzBuzz Division 3 (Rated)

Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach, Can You Eat It

December Challenge 2021 Division 3 (Rated)

Valleys and Hills, List of Lists, Utkarsh and Placement tests

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs

December Lunchtime 2021 Division 2

Maximum Trio, Romantic Reversals

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, And Or Union

Infinity 2k21 Division 2 (Rated)

Marbles

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility

January Lunchtime 2022 Division 2

Subarray permutations

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Yet Another Constructive Problem

February Lunchtime 2022 Division 2

Four Equidistant Points on a Grid, Parallel Processing, Magnet Sort

CodeChef Starters 28 Division 2 (Rated)

Permutation Xority, Count the Holidays

March Cook-Off 2022 Division 2

Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility

CodeChef Starters 34 Division 2 (Rated)

Average Array, Binary String Xor

April Lunchtime 2022 Division 2(Rated)

Buckets Full of Candies, Pair Pain

Starters 35 Division 2 (Rated)

Dark Light, Admins and Shopping

Starters 36 Division 2 (Rated)

Presents for Cheffina

May Cook-Off 2022 Division 2 (Rated)

Doubled Distances

Starters 37 Division 2 (Rated)

Dazzling Even-Odd Challenge, Beat the Average, Infernos, Maximum OR Minimum, Too Mean

Starters 39 Division 2 (Rated)

Compress the Video, Crazy Substrings, Closest Vowels, Even Subarray XOR

Starters 41 Division 2 (Rated)

Equal Integers, Path Parity

Starters 44 Division 2 (Rated)

Dense Bracket Sequence

Starters 43 Division 2 (Rated)

The Optimal Pairs, Distinct Palindrome

July Lunchtime 2022 Division 2 (Rated)

Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching

Starters 48 Division 2 (Rated)

Fill The Grid, Make Palindrome 2, Positive array

Starters 51 Division 2 (Rated)

Split N, Copy and Paste, Different Medians

Starters 58 Division 2 (Unrated)

Break the elements

Starters 59 Division 2 (Rated)

Maximum Subarray , Suspense String, Confusing Concatenations

Starters 60 Division 2 (Rated)

Distinct Numbers, Yet Another Palindrome Problem, Palindrome Flipping

Starters 63 Division 2 (Rated)

One-XOR Deletions, Make Length 1

Starters 75 Division 2 (Rated)

Equal Hamming Distance, Prefix Ones, Three Powers of Two

February Cook-Off 2023 Division 2 (Rated)

Permutation and Modulus

Starters 80 Division 2 (Rated)

Permutation Subsequence, Prefix Permutation, Equal Elements

Starters 107 Division 2 (Rated)

Maximal Expression, Rock Paper Scissor, OR Permutation

Starters 121 Division 2 (Rated)

Frequal, Caesar Cipher Lite, Anti Adjacent Swaps

Starters 136 Division 2 ( Rated )

My First Geometry Problem

Starters 137 Division 2 (Rated)

Double Trouble, Large Differences

Starters 138 Division 2 (Rated)

A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Long Drive, Distinct Substring

Starters 140 Division 2 (Rated)

Make Permutation, Split Permutation, Trick Or Treat

Starters 141 Division 2 (Rated)

Redundant Array, Amphibian Escape

Starters 142 Division 2 (Rated)

Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt

Starters 143 Division 2 (Rated)

Binary Conversion

Starters 145 Division 2 (Rated)

Make Bob Win , Make My Array Equal

Starters 146 Division 2 (Rated till 5 stars)

Bouncing Ball, Permutation Construction, Knockout tournament

Starters 147 Division 2 (Rated till 5 stars)

Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101

Starters 148 Division 2 (Rated)

FightBots

Starters 150 (Rated)

Equal Pairs (Hard), Find Multiset State, Equal Pairs (Easy)

Starters 151 (rated)

Ball Game, Convert string

Starters 152 (Rated)

Maximize Hamming Distance, Anti-Palindrome Queries, Range Minimize

Starters 153 (Rated)

Butterfly, Another Game, Colorful Tree (Easy Version)

Starters 154 (Rated)

Add 1 or 2 Game

Starters 155 (Rated)

GCD to 1 (Easy), GCD to 1 (Hard), Replace With First

Starters 187 (Rated)

OR What, Incremental Game

Starters 188 (Rated)

K Boxes, Yet Another Monsters Problem, Subset Sum 3

Starters 190 (Rated)

Light All, Parry It! (Easy)

Starters 191 (Rated)

Add to get GCD, Permuted Greater than 2

Starters 192 (Rated)

Security Lines, No 3 Please!

Starters 193 (Rated)

Mex Tree (Min), Add Permutation, Check Odd Even Divisors, Count Odd Even Divisors

Total Problems Solved: 321

1671
(Div 2)
★★★
CodeChef Rating (Highest Rating 1754)
  • 10796 Global Rank
  • 329 Country Rank

Skill tests

97%

C++ Skill test

Attempted on May 2024
View skill tests

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

Recent Activity

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Workden, MNR PRIDE, 14, HAL Old Airport Rd, Domlur I Stage, 1st Stage, DOMLUR, Bengaluru, Karnataka 560071 [email protected] +91 95911 47880
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