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LeetCode Solution: 34. Find First and Last Position of Element in Sorted Array

DEV Community·Vansh Aggarwal·about 1 month ago
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Finding Your Way: First and Last Occurrences in a Sorted Array (LeetCode 34 Explained!) Hey there, future coding rockstars! 👋 Vansh here, and today we're diving into a super common, yet incredibly insightful problem from LeetCode: "Find First and Last Position of Element in Sorted Array." This problem is a fantastic way to level up your understanding of one of the most fundamental algorithms out there: Binary Search . While simple binary search finds if an element exists, this problem challenges us to find its boundaries in a sorted list. Let's break it down! 🔍 Problem Explanation: What are We Even Doing? Imagine you have a phonebook (remember those?) where all names are sorted alphabetically. Now, imagine you're looking for every "Smith" in that phonebook. You don't just want any Smith; you want to know where the first "Smith" starts and where the last "Smith" ends. That's exactly what this problem asks! Formally, we're given: An array of integers nums .…

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