Coding question need to do. Asap.
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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Question
Coding question need to do. Asap.
![Python solution without table (~156ms):
def multiply(self, a, b):
type A: List[List[int]]
type B: List[List[int]]
:rtype: List[List[int]]
if a is None orb is None:
return None
m, n, l = len (a), len(b[0]), len (b[0])
if len (b) != n:
raise Exception ("A's column number must be equal to B's row number.")
c = [[0 for _ in range(1)] for _ in range(m)]
for i, row in enumerate(a):
for k, eleA in enumerate(row):
if eleA:
for j, eleB in enumerate(b[k]):
if eleB:
c[i][j] += eleA * eleB
return c
#Python solution with only one table for B (~196ms):
def multiply(self, a, b):
type A: List[List[int]]
type B: List[List[int]]
rtype: List[List[int]]
if a is None or b is None:
return None
m, n, l =len (a), len(a[0]), len (b[0])
if len (b) != n:
raise Exception ("A's column number must be equal to B's row number.")
c = [[0 for _ in range(l)] for _ in range(m)]
table_b={
for k, row in enumerate(b):
table_b[k] =
forj, eleB in enumerate (row):
if eleB:
table_b[k] [j] = eleB
for i, row in enumerate(a):
for k, eleA in enumerate(row):
if eleA:
for j, eleB in table_b[k].iteritems():
c[i][j] += eleA * eleB
return c
# Python solution with two tables (~196ms):
def multiply(self, a, b):
type A: List[List[int]]
type B: List[List[int]]
rtype: List[List[in t]]
if a is None or b is None:
return None
m, n = len (a), len(b[0])
if len (b) != n:
raise Exception ("A's column number must be equal to B's row number.")
1 = len(b[0])
table_a, table_b= }, {
for i, row in enumerate(a):
for j, ele in enumerate(row):
if ele:
if i not in table_a:
table_a[i] = {
table_a[i][i] = ele
for i, row in enumerate(b):
forj, ele in enumerate(row):
if ele:
if i not in table_b:
table_b[i] = {
table_b[i][j] = ele
c = [[0 for j in range(1)] for i in range(m)]
fori in table_a:
fork in table_a[i]:
if k not in table_b:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6c7426cd-cd02-4800-b0a3-4b0b7f7d4ffa%2F7782d641-14b0-4e02-b3d5-2c40b2ce4c4e%2Fre92x2c_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Python solution without table (~156ms):
def multiply(self, a, b):
type A: List[List[int]]
type B: List[List[int]]
:rtype: List[List[int]]
if a is None orb is None:
return None
m, n, l = len (a), len(b[0]), len (b[0])
if len (b) != n:
raise Exception ("A's column number must be equal to B's row number.")
c = [[0 for _ in range(1)] for _ in range(m)]
for i, row in enumerate(a):
for k, eleA in enumerate(row):
if eleA:
for j, eleB in enumerate(b[k]):
if eleB:
c[i][j] += eleA * eleB
return c
#Python solution with only one table for B (~196ms):
def multiply(self, a, b):
type A: List[List[int]]
type B: List[List[int]]
rtype: List[List[int]]
if a is None or b is None:
return None
m, n, l =len (a), len(a[0]), len (b[0])
if len (b) != n:
raise Exception ("A's column number must be equal to B's row number.")
c = [[0 for _ in range(l)] for _ in range(m)]
table_b={
for k, row in enumerate(b):
table_b[k] =
forj, eleB in enumerate (row):
if eleB:
table_b[k] [j] = eleB
for i, row in enumerate(a):
for k, eleA in enumerate(row):
if eleA:
for j, eleB in table_b[k].iteritems():
c[i][j] += eleA * eleB
return c
# Python solution with two tables (~196ms):
def multiply(self, a, b):
type A: List[List[int]]
type B: List[List[int]]
rtype: List[List[in t]]
if a is None or b is None:
return None
m, n = len (a), len(b[0])
if len (b) != n:
raise Exception ("A's column number must be equal to B's row number.")
1 = len(b[0])
table_a, table_b= }, {
for i, row in enumerate(a):
for j, ele in enumerate(row):
if ele:
if i not in table_a:
table_a[i] = {
table_a[i][i] = ele
for i, row in enumerate(b):
forj, ele in enumerate(row):
if ele:
if i not in table_b:
table_b[i] = {
table_b[i][j] = ele
c = [[0 for j in range(1)] for i in range(m)]
fori in table_a:
fork in table_a[i]:
if k not in table_b:
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