CodeChef Logo CodeChef Logo
Courses

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Explore courses
Practice Compete Compiler

Courses

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Explore courses
Practice Compete Compiler
Home » Al-Mamun Salauddin
user profile

Al-Mamun Salauddin

  • 3★mamun_71
  •   Bangladesh
  • Student
  • Sylhet Engineering College, Bangladesh
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 49
1785 (-2)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 102 Division 2 (Rated)(2023-09-27 22:00:02)
Global Rank:   614
Cheated in:   

Ratings System Update

(2023-09-27 22:00:02)
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?
1703 (+4)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 65 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   353
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 (49)

May Lunchtime 2021 Division 3

Birthday Gifts, Charges, Hoop Jump, Tom And Jerry 1

May CodeChef Starters 2021 Division 3 (Rated)

Cheating Time, Plagiarism, Lazy Chef, Correct Sentence

May Challenge 2021 Division 3 (Rated)

Xor Equality, Golf, Solubility

August Cook-Off 2021 Division 2

Different String, Equal Difference

September Cook-Off 2021 Division 2

Zebra Crossing, Adjacency Hatred

September Lunchtime 2021 Division 3

Two Dishes, Balanced and Unique Arrays, Vaccine Dates , Alice vs Bob Faceoff, Yet another SOD problem

October Cook-Off 2021 Division 2

Odd Sum

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros

CodeChef Starters 24 Division 2 (Rated)

Avoid Contact, Yet Another Constructive Problem

February Cook-Off 2022 Division 2

Perfect Permutation, Prefix Permutation

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

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array, Decomposition Reaction

CodeChef Starters 30 Division 2 (Rated)

Minimum Coloring, Gift Shop and Coupon, Balanced Reversals

March Cook-Off 2022 Division 2

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

CodeChef Starters 32 Division 2 (Rated)

Maximize the Minimum, Finding Shoes, Training Plans, Flip Sorting

April Lunchtime 2022 Division 2(Rated)

Buckets Full of Candies, Pair Pain

Starters 35 Division 2 (Rated)

Jump to Sibling, Dark Light, Admins and Shopping

Starters 36 Division 2 (Rated)

Presents for Cheffina

May Cook-Off 2022 Division 2 (Rated)

Doubled Distances

May Lunchtime 2022 Division 2 (Rated)

Bucket and Water Flow , Maximum Pairwise Modular Sum

Starters 39 Division 2 (Rated)

Compress the Video, Closest Vowels, Even Subarray XOR

July Cook-Off 2022 Division 2 (Rated)

Permutation And Median, Xor Permutation

Starters 41 Division 2 (Rated)

Equal Integers, Is this priority or parity!, Path Parity

June Cook-Off 2022 Division 2 (Rated)

Simple XOR, Break the Stick

Starters 45 Division 2 (Rated)

Even Equal Odd, Retrieve the Array, Adjacent Sum Parity

Starters 46 Division 3 (Rated)

Array sorting, Sort the String, MATH1 Enrolment, Group Assignment, Army Training

Starters 47 Division 2 (Rated)

End Sorted

July Lunchtime 2022 Division 3 (Rated)

The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching

Starters 49 Division 3 (Rated)

N Buttons 1 Bulb, Split The String, High Frequency, Monks, Valid Minimum

Starters 51 Division 2 (Rated)

Split N, Copy and Paste, Different Medians

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality

Starters 53 Division 2 (Rated)

Make A and B equal

Starters 55 Division 2 (Rated)

Balls and Boxes, Mean and Median

September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)

Stick Break, Permutation Creation

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 61 Division 2 (Rated)

Minimise LCS, Subarray Removal

Starters 62 Division 2 (Rated)

Sorted Substrings, Make Multiple, Final Sum

Starters 65 Division 2 (Rated)

Nahaane Jaa, Candies, Binod

Starters 70 Division 2 (Rated)

Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval

Starters 71 Division 2 (Rated)

Pet Store, Flip the Prefix, Maximizing LCS

Starters 72 Division 2 (Rated)

N Triplets

Starters 88 Division 2 (Rated)

Maximum And Or, Unstable Subarray

Starters 89 Division 2 (Rated)

Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal

Starters 100 Division 2 (Rated)

Prime Permutation, Stamps 100

Starters 102 Division 2 (Rated)

Bit Play, Array Sum

Total Problems Solved: 150

1785
(Div 2)
★★★
CodeChef Rating (Highest Rating 1787)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

Recent Activity

Fetching recent activity

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

ROADMAPS

Learn Python
Learn Java
Learn C
Learn C++
Data structures and Algorithms
Competitive Programming
More Roadmaps

CAREER PATHS

React JS Developer
Full stack Developer
SQL for Data Analysis
Frontend Developer
Java Backend Developer
Data Analysis using Python
Python Backend Developer
C++ Developer
Machine Learning using Python

COMPILERS

HTML online compiler
C++ online compiler
C online compiler
Java online compiler
Python online compiler
SQL online compiler
JavaScript online compiler
React online compiler
More compilers

COMPANY

About us
For colleges
Coding Contests
Blogs
Contact us
Privacy Policy
Frequently Asked Questions

© 2025 CodeChef Inc. All rights reserved.

We use cookies to improve your experience and for analytical purposes. Read our Privacy Policy and Terms to know more. You consent to our cookies if you continue to use our website.