Lecture

Coding Quiz - Find Minimum Odd Value

In this coding quiz, your task is to write a function that utilizes a Binary Search Tree (BST) to find the smallest odd value from a given list of integers.

The function should insert the integers from the input list into a BST and then return the smallest odd value found in the list.

For instance, if the list [30, 20, 40, 10, 25, 35, 45] is provided as input, the solution function should return 25.


Write your solution code
class TreeNode: def __init__(self, x): self.val = x self.left = None self.right = None def insertIntoBST(root, val): if not root: return TreeNode(val) if val < root.val: root.left = insertIntoBST(root.left, val) else: root.right = insertIntoBST(root.right, val) return root def findMinValue(root, condition): if not root: return float("inf") if condition(root.val): return min( root.val, findMinValue(root.left, condition), findMinValue(root.right, condition), ) else: return min( findMinValue(root.left, condition), findMinValue(root.right, condition) ) def solution(numbers): # Write your code here return



Constraints

  • Assume there are no duplicate integers in the input list.

  • The BST does not allow duplicate values.

  • The input list is non-empty and contains at least one integer.

  • If there are no nodes that meet the condition, the function should return None.




Example

  • Input: [10, 5, 15, 3, 7, 13, 18]

  • Output: 3

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