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LeetCode 34: Find First and Last Position of Element in Sorted Array | C# Solution | Binary Search |

🔍 Solve the classic "find range" problem using optimized binary search in a sorted array. Learn how to efficiently find both the first and last occurrence of a target value. #leetcode #binarysearch #arrays #csharp

⏱️ **Time Complexity**: O(log n) - Using two modified binary searches
💾 **Space Complexity**: O(1) - Constant extra space

### 📋 Timestamps
00:00 - Understanding problem statement
00:54 - Brute Force Approach
01:24 - Applying Binary Search algorithm
04:13 - Big O Notation explained
04:38 - C# solution walk-through
06:24 - Solution analysis - runtime + memory

### 🧠 Key Concepts
- Binary Search modifications
- Handling duplicates in sorted arrays
- Finding boundaries in sorted data
- Optimizing linear scan approaches

### 📚 Learning Points
- How to adapt binary search for finding specific positions
- Techniques for solving "range" problems efficiently
- Implementing binary search variants in C#
- Handling edge cases in search algorithms

### 🔗 Related LeetCode Problems
- LeetCode 35: Search Insert Position
- LeetCode 278: First Bad Version
- LeetCode 162: Find Peak Element
- LeetCode 153: Find Minimum in Rotated Sorted Array

### 👥 Target Audience
This video is ideal for software engineers preparing for coding interviews, C# developers looking to improve their algorithm skills, and computer science students learning binary search applications.

### 📝 Prerequisites
- Basic understanding of arrays and binary search
- Familiarity with C# syntax
- Understanding of time and space complexity

### 🔗 Links
- Problem: https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/
- Solution code: https://shortenertool-qojxs-fa.azurewebsites.net/lc34
- Buy Me a Coffee: https://buymeacoffee.com/hgindra

### 📢 Call to Action
If you found this solution helpful, please subscribe to the channel for weekly LeetCode solutions in C#! Drop your questions or alternative approaches in the comments below. #algorithms #codinginterviews #binarysearch #csharp

Видео LeetCode 34: Find First and Last Position of Element in Sorted Array | C# Solution | Binary Search | канала Code Scribbler

leetcode binary search c# solution coding interview search algorithms arrays find first and last position leetcode 34 algorithm tutorial coding problems time complexity space complexity duplicates in sorted array coding practice software engineering interview c# programming interview preparation algorithm analysis data structures

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12 мая 2025 г. 12:00:41

00:06:43

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