LeetCode 611 Explained in Go | Valid Triangle Number using Heap Sort + Two Pointers
Автор: Code 007
Загружено: 2026-01-11
Просмотров: 6
In this video, we solve LeetCode 611 – Valid Triangle Number using Golang.
The solution follows a clean and efficient approach:
First, we sort the array using Heap Sort (implemented from scratch, without relying on built-in sort utilities).
Then, we apply the Two Pointer technique to count all valid triangle combinations.
We leverage the key triangle inequality property:
a + b greater than c
Time & Space Complexity:
Time Complexity: O(n²)
Space Complexity: O(1) (in-place sorting)
This video is ideal if you are:
Preparing for coding interviews
Practicing DSA with Go
Learning how to combine sorting + two pointers effectively
If you found this helpful, consider liking the video and subscribing for more LeetCode + Go problem breakdowns.
Reach me at: code007.dev@gmail.com
Happy coding 🚀
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