Closest BST Values II
Given a BST, output the k
closest values in this BST to x
. Sort the output by value.
The output set is guaranteed to be unique.
Do not convert the BST to a list.
Input
bst
: a valid BST of sizen
.x
: an integer representing the number to find thek
closest numbers to.k
: an integer.
Output
A list of integers containing the k
closest numbers to x
.
Examples
Example 1:
Input:
1bst = <See explanation> 2x = 7 3k = 4
Output: [5, 6, 8, 10]
Explanation:
All four numbers in the output are within 3
away from 7
.
Constraints
1 <= k <= n <= 10^5
Try it yourself
Solution
Title
Script
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem
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has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.
Contrary to popular belief, Lorem
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is not simply random text.
1 >>> a = [1, 2, 3] 2 >>> a[-1] 3 3