The Quick Union implementation assumes that the root nodes are assigned a parent ID of “-1". If I wanted to change this and set root nodes to have a parent ID of "0" instead of "-1", which lines in the following code would change? Select all that should change. 1 class QuickUnion: def init_(self, size: int) -> None: CHOICES (Select all that may apply.) size: number of elements to initialize self.size = size a. None of the above self.parent = [-1]*self.size b. Line 16 def str (self) -> str: c. Line 15 10 return f"parent: {self.parent}" d. Line 26 11 def get_root(self, p: int) -> int: """Find the root of p""" idx = p while self.parent[idx] >= 0: idx = self.parent[idx] 12 e. Line 20 13 f. Line 7 14 15 16 17 return idx 18 def is_connected(self, pl: int, p2:int) -> bool: return self.get_root(p1) == self.get_root(p2) 19 20 21 def connect(self, pl: int, p2: int) -> None: ""Connects pl and p2""" 22 23
The Quick Union implementation assumes that the root nodes are assigned a parent ID of “-1". If I wanted to change this and set root nodes to have a parent ID of "0" instead of "-1", which lines in the following code would change? Select all that should change. 1 class QuickUnion: def init_(self, size: int) -> None: CHOICES (Select all that may apply.) size: number of elements to initialize self.size = size a. None of the above self.parent = [-1]*self.size b. Line 16 def str (self) -> str: c. Line 15 10 return f"parent: {self.parent}" d. Line 26 11 def get_root(self, p: int) -> int: """Find the root of p""" idx = p while self.parent[idx] >= 0: idx = self.parent[idx] 12 e. Line 20 13 f. Line 7 14 15 16 17 return idx 18 def is_connected(self, pl: int, p2:int) -> bool: return self.get_root(p1) == self.get_root(p2) 19 20 21 def connect(self, pl: int, p2: int) -> None: ""Connects pl and p2""" 22 23
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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