What is a Stack? | DSA in 30 Seconds Ep. 1 📦🔁 #coding #shortsfeed #datastructures #java #js #python

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📦 Welcome to *DSA in 30 Seconds* – Ep. 1

Today: **Stack in Data Structures**
A stack is like a pile of books – you can only interact with the top.

It follows the **LIFO** rule (Last In, First Out) and is used in:
🔁 Undo/Redo
🌐 Browser History
📱 App Navigation

✅ Key Operations:
- push(item) ➕
- pop() ➖
- peek() 👀
🕐 Time Complexity: O(1)

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#DSAin30Seconds #CodeWithArhanOfficial #Stack #Shorts #Coding #codewitharhan #CodeWithArhan

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🧠 DSA Ep. 1: Stack in 30 Seconds
Which DSA topic should I explain next?
👇 Drop your ideas in the comments!





codewitharhanofficial
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Thanks for this! Really good work bro!🔥🔥🔥

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