Welcome to AlgoYogi!
๐ Start Your Smart Coding Prep at ๐ https://algoyogi.io
We solve LeetCode 1496: Path Crossing using Python and a clean visited-set approach.
Given moves as a string of N, S, E, W starting at origin, return true if the path visits any position more than once.
๐ Problem Link: https://leetcode.com/problems/path-crossing/description/
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### โฑ Timestamps
0:00 Introduction
0:20 Problem Statement
1:00 Visited-Set Approach
6:00 Python Code Walkthrough
9:00 Time and Space Complexity
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### ๐ก Why Watch?
- Simple grid-walk with a set to detect revisits
- Handles all directions with tiny update logic
- Linear time, constant extra work per step
#LeetCode #PathCrossing #Python #AlgoYogi #HashSet #GridWalk
