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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
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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

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Practice Compete Compiler
Home » zahin_lu
user profile

zahin_lu

  • 1★zahin_lu
  •   Bangladesh
  • Student
  • Leading University, Sylhet Bangladesh
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 17
1371 (-52)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 212 (Rated)(2025-11-12 22:00:04)
Global Rank:   3226
Cheated in:   

Ratings System Update

(2025-11-12 22:00:04)
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?
NA? (+NA)RatingProvisional
Rating i Provisional Rating, click to know more
None(None)
Global Rank:   0
Cheated in:   

Ratings System Update

(None)
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 (3)

learn-icon

Build with Django: Web Development for Beginners

9%
learn-icon

Learn JavaScript

3%
learn-icon

Dynamic programming

4%

Practice Paths (15)

learn-icon

Practice Strings

9%
learn-icon

Practice Basic Math

35%
learn-icon

Practice Sorting

33%
learn-icon

Practice Arrays

9%
learn-icon

500 to 1000 difficulty problems

26%
learn-icon

Bit manipulation

4%
learn-icon

Practice Java

13%
learn-icon

Practice Python

17%
learn-icon

Projects using HTML / CSS

12%
learn-icon

500 difficulty rating

Completed

learn-icon

Dynamic programming

4%
learn-icon

Level up from 1* to 2*

3%
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Practice C++

6%
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1000 to 1400 difficulty problems

1%
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Practice C

4%

Contests (17)

Starters 157 (Rated)

Glass Prices

Starters 158 (Rated)

Diwali Discount

Starters 159 (Rated)

Icecream and Cone, Card Game

Starters 160 (Rated)

Too Many Oranges, Movie Snacks

Starters 161 (Rated)

Moneymaking, Selling Donuts

Starters 163 (Rated)

Chef and Socks, Binary Sum

Starters 164 (Rated)

Itz Simple, Swap and Flip, New-Pro Coder

Starters 165 (Rated)

Christmas Cake, Poster Perimeter, Bulk Discount

Starters 166 (Rated)

Chefland Library, Christmas Gifts, Merry Christmas!

Starters 167 (Rated)

Temperature Balance, Happy New Year!

Starters 170 (Rated)

Access Code Equality, Minimum Bottles, Monster Monster

Starters 171 (Rated)

Squid Game - Piggy Bank, Advitiya

Starters 186 (Rated)

Distinct Arrays , Jump A or B, Approval Ratings, Best Movie, Chess Win

Starters 187 (Rated)

Chococut, Exercise and Rest

Starters 189 (Rated)

Nutrition Cost, Create Binary String, Distinct 2 Subarray, Pizza Party

Starters 190 (Rated)

Maximum Slams, Number Reduction, Light All, Min-Max Deletion

Starters 212 (Rated)

Signal

Total Problems Solved: 406

1371
(Div 4)
★
CodeChef Rating (Highest Rating 1423)
  • 51346 Global Rank
  • 1622 Country Rank

Skill tests

10%

Python Skill test

Attempted on October 2024
23%

C language Skill test

Attempted on October 2024
62%

C++ Skill test

Attempted on May 2025
View skill tests

Badges

Code Enthusiast - Bronze Badge

Code Enthusiast - Bronze Badge

Received for explaining 10 Solutions

Total likes: 0    Total dislikes: 0

Contest Contender - Bronze Badge

Contest Contender - Bronze Badge

Received for participating in 5 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

Certificates

500 difficulty rating

Issued June 2025

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