In this video, we solve LeetCode 75: Sort Colors using multiple approaches in C++.
We will understand:
✅ Problem Explanation
✅ Brute Force Solution
✅ Counting Sort Approach
✅ Optimal One Pass Solution
✅ Dutch National Flag Algorithm
✅ Dry Run Step by Step
✅ Time & Space Complexity
✅ Interview Tips and Important Concepts
🔥 Topics Covered:
Arrays
Two Pointers
Sorting
Dutch National Flag Algorithm
In-place Sorting
LeetCode Interview Questions
⏱️ Approaches:
STL Sort (Brute Force) → O(n log n)
Counting Method → O(n)
Optimal Dutch National Flag Algorithm → O(n), One Pass
💻 Language Used:
C++
📌 Problem Link:
LeetCode 75 - Sort Colors
#leetcode #cpp #dutchnationalflag #sorting #arrays #twopointers #codinginterview #dsa #leetcode75 #programming #competitiveprogramming #cplusplustutorial #interviewpreparation
