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Jjaswanthdsasimulatorhashnodedev.hashnode.devJun 10 · 1 min read

I Built a Free DSA Simulator with Interactive Visualizations for Students

Learning Data Structures and Algorithms (DSA) can be challenging because many concepts are difficult to visualize. To help students understand DSA more effectively, I built DSA Simulator, a free platf

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PJPrince Jhaoptionality.hashnode.devJun 7 · 5 min read

When the Wrong Data Structure Teaches You More Than the Right Algorithm

A few weeks ago, I thought I was simply building an option pricing model.What I actually discovered was a masterclass in software architecture, problem representation, and the surprising power of choo

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PAPixel and Codelearning-data-structures.hashnode.devMay 11 · 6 min read

DSA MADE EASY

Classification of Data Structures Data structures are ways of organizing and storing data in a computer so that it can be used efficiently. Different types of data structures are used depending on the

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SGShikhar Guptathecleancommit.hashnode.devApr 21 · 4 min read

JavaScript Arrays 101

We are going to move into something you will use almost every single day. Arrays. If you think about real-world applications, most of the data you deal with is not a single value. It is a collection o

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YYashrajyashrajxdev.blogFeb 22 · 4 min read

Arrays and Tuple in Python

An array is a continuous block of memory used to store similar or structured data. Arrays allow easy and fast access to elements using an index, which makes them one of the most important data structu

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ANAvinash Negidsawithpython.hashnode.devFeb 12 · 5 min read

I Understood Every LeetCode Solution But Couldn’t Solve Anything: My DSA Learning Reality

I wake up at 6 AM every day. Not because I’m a morning person, but because I have a goal: crack FAANG interviews. I’m a CS student who started learning Data Structures and Algorithms on February 4th, 2026. I study 4 hours daily before college. I’m d...

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BMBikash Mainalidsa-3956.hashnode.devJan 6 · 6 min read

Breadth First Search (BFS): for Undirected Unweighted Graph

BFS Traversal — 4 Easy Rules Rule 1 — Start Put the starting vertex into a queue. Keep an empty visited set. Rule 2 — Take from Queue While the queue is not empty: Remove the front vertex from the queue. ⚠️ Key difference from BFSBFS → Queu...

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RSRehan Sayyedpatterns-dsa.hashnode.devJan 3 · 1 min read

Solution: 1859. Sorting the Sentence

Code: class Solution { public: string sortSentence(string s) { int len = s.length(); string outputString = ""; vector<string> sortedWords(10); // String will not contain more than 9 words int count = 0; // To kno...

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AAAta Alahy Nishancst-club.orgJan 3 · 6 min read

Linked List Data Structure ( Part - A )

লিঙ্কড লিস্ট হচ্ছে একধরনের লিনিয়ার ডাটা স্ট্রাকচার যেখানে ডাটা একটার পর একটা সিরিয়ালি থাকে। তবে লিঙ্কড লিস্ট Consecutive Memory Location ফলো করে না। অর্থাৎ , মেমরিতে সিরিয়ালি ডাটাগুলো স্টোর হয় না। মেমরি তে বিভিন্ন জায়গায় ডাটা স্টোর হয়। লিঙ্কড লিস্ট ড...

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JMJoão Marcos Carnieljoaodeveloper.hashnode.devDec 23, 2025 · 3 min read

Arrays and Lists

Both array and list are types of data structure that stores a collection of elements. The array has a fixed size while lists are dynamic and can have their size updated during runtime. This main difference directly influences the usage of memory and ...

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#data-structure-and-algorithms

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#data-structure-and-algorithms

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Trending tags this week

I Built a Free DSA Simulator with Interactive Visualizations for Students

When the Wrong Data Structure Teaches You More Than the Right Algorithm

DSA MADE EASY

JavaScript Arrays 101

Arrays and Tuple in Python

I Understood Every LeetCode Solution But Couldn’t Solve Anything: My DSA Learning Reality

Breadth First Search (BFS): for Undirected Unweighted Graph

Solution: 1859. Sorting the Sentence

Linked List Data Structure ( Part - A )

Arrays and Lists