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DMDurgesh Musalebacktraking.hashnode.dev1h ago · 1 min read

How i recursion and the backtrakking Understand !!

Hey,My name is the Durgesh before some day's i covered Recursion and backtracking i used as an resources #KunalKushwahaDSASeries and the my Class Teacher #ShubamSir. How I start Recursion. While in

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PJPuja Jorwarpujajorwar.hashnode.devJul 1 · 8 min read

Finding Majority Elements (> n/3) — From Brute Force to Boyer-Moore

When solving array problems, it is easy to stop once your code passes the test cases. But the real learning happens when you push from a working solution to an optimal one. Today, let's look at the Ma

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PJPuja Jorwarpujajorwar.hashnode.devJun 30 · 7 min read

Next Permutation — The 3-Step Algorithm That Made Everything Click

Most solutions I found online just showed me code with zero explanation of why it works.After solving this problem, I finally understood the pattern. Let me save you the confusion. 📖 First — What is

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DSDivya Sonawanedivyasonawane.hashnode.devMar 31 · 2 min read

My Student Life in Tech #2 — Why I Avoided DSA (At First)

Everyone kept saying: “DSA is important.” But no one told me how to start. So I avoided it. 🤯 The Fear Around DSA When I first heard about DSA, it already sounded difficult. Algorithms. Time compl

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SSSaptarshi Sarkarsaptarshisarkar.hashnode.devFeb 4 · 14 min read

Demystifying Time and Space Complexity for Beginners

Imagine you've just created an algorithm, and it works lightning-fast on your brand-new computer. You're thrilled with the results and can't wait to share your success, so you ask your friend to give it a try. However, when your friend runs the same ...

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AGARCHANA GURUSAMYarchana-code-diary.hashnode.devFeb 4 · 2 min read

Problem: Leet Code 7 - Reverse Integer

QUESTION: Given a signed 32-bit integer x, return x with its digits reversed. If reversing x causes the value to go outside the signed 32-bit integer range [-2<sup>31</sup>, 2<sup>31</sup> - 1], then return 0. Assume the environment does not allow yo...

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SSSAHIL SAHUtherippedcoder.hashnode.devJan 21 · 3 min read

The How?

I spent months searching. I researched every roadmap, watched hundreds of videos on "How to Crack FAANG," and saved thousands of posts. It wasn't just a few days; it was months of commenting "link?" on Instagram, saving threads/posts I would never re...

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SSSaptarshi Sarkarsaptarshisarkar.hashnode.devJan 16 · 8 min read

What is Recursion? A Comprehensive Overview

A Problem Let’s start with a problem: I need to print first 10 natural numbers. There are several ways to solve this problem. But let's say we need to solve it using functions without using loops or calling a function more than once. The simplest way...

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SSSaptarshi Sarkarsaptarshisarkar.hashnode.devJan 10 · 4 min read

Cyclic Sort Made Simple: Learn the Basics and How It Works

Cyclic sort is an in-place and unstable sorting algorithm that is specifically designed to efficiently sort arrays where numbers are in a known range like from 1 to N. How does it work? Let’s take the following array as an example. We need to sort it...

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RRicharichak.hashnode.devJan 7 · 4 min read

Day 2: My Journey to Finding the Minimum Number in an Array

After solving the “find maximum number in an array” problem yesterday, I didn’t want to jump into something new immediately. I wanted to stay with the same concept and really let it sink in. So today, I picked the opposite version of the same problem...

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Trending tags this week

How i recursion and the backtrakking Understand !!

Finding Majority Elements (> n/3) — From Brute Force to Boyer-Moore

Next Permutation — The 3-Step Algorithm That Made Everything Click

My Student Life in Tech #2 — Why I Avoided DSA (At First)

Demystifying Time and Space Complexity for Beginners

Problem: Leet Code 7 - Reverse Integer

The How?

What is Recursion? A Comprehensive Overview

Cyclic Sort Made Simple: Learn the Basics and How It Works

Day 2: My Journey to Finding the Minimum Number in an Array