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: 2 def init (self, size: int) -> None: CHOICES (Select all that may apply.) 4 size: number of elements to initialize self.size = size a. None of the above 7 self.parent = [-1]*self.size b. Line 16 8 c. Line 15 str_(self) -> str: return f"parent: {self.parent}" def 10 d. Line 26 11 e. Line 20 def get_root(self, p: int) -> int: *"Find the root of p""" idx = p 12 13 f. Line 7 14 while self.parent[idx] >= 0: idx = self.parent[idx] return idx 15 16 17 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""" rl = self.get_root(pl) r2 = self.get_root(p2) self.parent[rl] = r2 22 23 24 25 26
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: 2 def init (self, size: int) -> None: CHOICES (Select all that may apply.) 4 size: number of elements to initialize self.size = size a. None of the above 7 self.parent = [-1]*self.size b. Line 16 8 c. Line 15 str_(self) -> str: return f"parent: {self.parent}" def 10 d. Line 26 11 e. Line 20 def get_root(self, p: int) -> int: *"Find the root of p""" idx = p 12 13 f. Line 7 14 while self.parent[idx] >= 0: idx = self.parent[idx] return idx 15 16 17 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""" rl = self.get_root(pl) r2 = self.get_root(p2) self.parent[rl] = r2 22 23 24 25 26
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Choose (2) because there are 2 correct answers.
![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(pl) == self.get_root(p2)
19
20
21
def connect(self, pl: int, p2: int) -> None:
"" "Connects pl and p2"""
rl = self.get_root(p1)
r2 = self.get_root(p2)
self.parent[rl] = r2
22
23
24
25
26](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe3e8f534-7346-4d07-ad4a-5ecb769853d7%2Fe7a65cf4-3b0e-47e4-9232-8442636ce340%2F8ek0rkl_processed.png&w=3840&q=75)
Transcribed Image Text: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(pl) == self.get_root(p2)
19
20
21
def connect(self, pl: int, p2: int) -> None:
"" "Connects pl and p2"""
rl = self.get_root(p1)
r2 = self.get_root(p2)
self.parent[rl] = r2
22
23
24
25
26
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