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 Nonem, 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 * eleBreturn 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 Nonem, 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] = eleBfor 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 * eleBreturn 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 Nonem, 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] = elefor 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] = elec = [[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:

The problem involves multiplying two sparse matrices, A and B, and returning the result, AB. It is…

Answered: Coding question need to do. Asap.

Engineering

Computer Engineering

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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