DSA · Theory

Height of n-ary tree if parent array is given

Theory

471/810

Height of n-ary tree if parent array is given is a DSA idea you prove with folder on disk, not with a slogan.

Height of n-ary tree if parent array is given order: meaning → left < root < right → one limit. Dumping ten features helps nobody.

Height of n-ary tree if parent array is given exists so Riya can keep folder on disk correct in a file explorer.

Height of n-ary tree if parent array is given shows up in a file explorer. Name folder on disk, not “a real-world scenario”.

Height of n-ary tree if parent array is given miss: unbalanced BST becoming a list. Fix it before you talk about advanced DSA.

Height of n-ary tree if parent array is given is not a lonely heading. Riya ties it to folder on disk.

One breath for Height of n-ary tree if parent array is given, then folder on disk, then unbalanced BST becoming a list. Sit down.

Diagram

  index →  0    1    2
  array → [10,  20,  30]

Exam tip

Board: folder on disk. Dry-run Height of n-ary tree if parent array is given. Name the trap: unbalanced BST becoming a list.

arr = [10, 20, 30, 40]
print(arr[2], arr[-1])
matrix = [[1, 2], [3, 4]]
print(matrix[1][0])  # 3

Height of n-ary tree if parent array is given — arrays give O(1) index access; matrices are arrays of arrays.

DefHeight of n-ary tree if parent array is given — Riya uses it for folder on disk in a file explorer.
RuleHeight of n-ary tree if parent array is given → left < root < right.
RememberHeight of n-ary tree if parent array is given + a dry-run table (a file explorer).
UseHeight of n-ary tree if parent array is given in a file explorer (folder on disk).
TrapHeight of n-ary tree if parent array is given — unbalanced BST becoming a list.
ExHeight of n-ary tree if parent array is given → folder on disk.