#data-structure-and-algorithms

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

Feb 224 min read

ANAvinash Negidsawithpython.hashnode.dev

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...

Feb 125 min read

BMBikash Mainalidsa-3956.hashnode.dev

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...

Jan 66 min read

RSRehan Sayyedpatterns-dsa.hashnode.dev

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...

Jan 31 min read

AAAta Alahy Nishancst-club.org

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...

Jan 36 min read

JMJoão Marcos Carnieljoaodeveloper.hashnode.dev

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 ...

Dec 23, 20253 min read

JMJyotiprakash Mishrablog.jyotiprakash.org

Heaps, Priority Queues, and Heapsort

Imagine a hospital ER triage system where you must constantly identify the most critical patient amidst a continuous stream of new arrivals; this scenario requires a data structure that handles priority efficiently, not just arrival order. Standard a...

Nov 18, 202510 min read

YSYuichi Satoblog.yasaichi.com

When You See Abstract Structures, Design Becomes Easier

While developing an e-commerce system, I once designed a model called DeliveryDateConstraint to represent delivery restrictions decided by sellers. At first, it looked simple enough: each product had its own shipping rule.But later I realised that cu...

Nov 8, 20253 min read

JMJyotiprakash Mishrablog.jyotiprakash.org

125 Essential Problems from LeetCode

Arrays (10 problems) Master the fundamentals of array manipulation, from basic traversals to advanced techniques. Easy Problems Best Time to Buy and Sell Stock (#121) - Single pass tracking Maximum Subarray (#53) - Kadane's algorithm Plus One (#66...

Oct 22, 20257 min read

DGDEEPTI GOELstarter-learning-with-action.hashnode.dev

🌟 Welcome to Learning With Action Hey Learners! 👋

Welcome to Learning With Action, a space where curiosity meets consistency and ideas turn into results. Here, we believe that true learning doesn’t stop at understanding — it begins when you take action. Every concept you practice, every problem you ...

Oct 5, 20251 min read

Tag feed

#data-structure-and-algorithms

Tag feed

#data-structure-and-algorithms

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

Heaps, Priority Queues, and Heapsort

When You See Abstract Structures, Design Becomes Easier

125 Essential Problems from LeetCode

🌟 Welcome to Learning With Action Hey Learners! 👋

Trending tags this week

#data-structure-and-algorithms

Search Hashnode

#data-structure-and-algorithms

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

Heaps, Priority Queues, and Heapsort

When You See Abstract Structures, Design Becomes Easier

125 Essential Problems from LeetCode

🌟 Welcome to Learning With Action Hey Learners! 👋

Trending tags this week