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Leetcode Problem 335. Self Crossing
335. Self Crossing
AI Mock Interview
Leetcode Solutions
Detecting Self-Crossing Paths
Solution Idea
Algorithm Steps
Code Implementation
Complexity Analysis
If the length of the
distance
array is less than 4, return
false
as a path cannot cross itself with fewer than 4 segments.
Iterate through the
distance
array starting from the fourth segment.
Check for the following conditions:
If the current segment crosses the segment two steps before it.
If the current segment meets the segment two steps before it when the array length is at least 5.
If the current segment crosses the segment two steps before it when the array length is at least 6.
If any of the conditions are met, return
true
.
If none of the conditions are met after iterating through the entire array, return
false
.
Brute Force Path Tracing
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