Programming Data Structure And Algorithms Using Python | Week 1

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Progie
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Session: JAN-APR 2023

Course Name: Programming Data Structure And Algorithms Using Python

Course Link: Click Here

These are Programming Data Structure And Algorithms Assignment 1 Answers

Q1. What is the value of f(2343) for the function below?

def f(x):
    d=0
    y=1
    while y <= x:
        d=d+1
        y=y*3
    return(d)

Answer: 8

Q2. What is h(53)-h(52), given the definition of h below?

def h(n):
    s = 0
    for i in range(1,n+1):
        if n%i > 0:
           s = s+1
    return(s)

Answer: 5

Q3. For what integer value n would g(92,n) return 13?

def g(m,n):
    res = 0
    while m >= n:
        res = res+1
        m = m-n
    return(res)

Answer: 7

These are Programming Data Structure And Algorithms Assignment 1 Answers

Q4. Consider the following function mys:

def mys(m):
    if m == 1:
        return(1)
    else:
        return(m*mys(m-1))

Which of the following is correct, assuming we always pass an integer argument to mys?
a. The function always terminates with mys(n) = factorial of n
b. The function always terminates with mys(n) = 1+2+…+n
c. The function terminates for non-negative n with mys(n) = factorial of n
d. The function terminates for positive n with mys(n) = factorial of n

Answer: d. The function terminates for positive n with mys(n) = factorial of n

Session: JULY-DEC 2022

Programming Data Structure And Algorithms Assignment 1 Answers

1. What does h(27993) return for the following function definition?

def h(x):
    (d,n) = (1,0)
    while d <= x:
        (d,n) = (d*3,n+1)
    return(n)

Answer:- 10

2. What is g(60) – g(48), given the definition of g below?

def g(n): 
    s=0
    for i in range(2,n):
        if n%i == 0:
           s = s+1
    return(s)

Answer:- 2

These are Programming Data Structure And Algorithms Assignment 1 Answers

3. Consider the following function f.

def f(n): 
    s=0
    for i in range(1,n+1):
        if n//i == i and n%i == 0:
           s = 1
    return(s%2 == 1)

The function f(n) given above returns True for a positive number n if and only if:

a. n is an odd number.
b. n is a prime number.
c. n is a perfect square.
d. n is a composite number.

Answer:- c

4. Consider the following function foo.

def foo(m):
    if m == 0:
      return(0)
    else:
      return(m+foo(m-1))

Which of the following is correct?

a. The function always terminates with foo(n) = factorial of n
b. The function always terminates with foo(n) = n(n+1)/2
c. The function terminates for non­negative n with foo(n) = factorial of n
d. The function terminates for non­negative n with foo(n) = n(n+1)/2

Answer:- d

These are Programming Data Structure And Algorithms Assignment 1 Answers

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These are Programming Data Structure And Algorithms Assignment 1 Answers