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Fundamentals of Algorithms (CS502)
Assignment # 01
Total marks = 20
Deadline = 10/05/18
Lectures Covered: This assignment covers Lecture # 1 to 7.
Objectives of this assignment are:
To understand line by line analysis of an algorithm
To understand how to calculate running time of an algorithm
To perform comparison of different algorithms
Please read the following instructions carefully before solving & submitting the assignment:
The assignment will not be accepted after due date.
Zero marks will be awarded if the assignment does not open or the file is corrupt.
The assignment file must be an MS Word (.doc/.docx) file format; Assignment will not be accepted in any other format.
Zero marks will be awarded if assignment is copied (from other student or copied from handouts or internet).
Zero marks will be awarded if Student ID is not mentioned in the assignment file.
For any query about the assignment, contact only at CS502@vu.edu.pk
Please do not post queries related to assignment on MDB.
Question # 1: 10 Marks
For the following code segment, provide line-by-line analysis and construct function T(n) that give the runtime of this code as a function of "n". Also determine the big-O for this code segment. [Marks: 5+3+2]
Code segment Cost
i = 1
j = 1
k = 1
while (i <= n)
i = i + 1
while (j < n)
a = 2 + g
j = j + 1
if (k <= n)
a = 2
a = 3
Question # 2: 5 Marks
Which of the following two functions is faster?
f1 = 10n2
f2 = n3
Question # 3: 5 Marks
In the context of 2D Maxima problem, Brute Force algorithm runs in Θ(n2) time and Plane-Sweep algorithm runs in Θ(nlog2n) time. For n = 500,000, if Plane-Sweep takes 1 second, how much time (in hours) Brute Force algorithm will take? Calculate and show all the steps.
Note: Base of log is 2 (e.g. log210 = 3.321928095)
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