Q1) Write the pseudocode for the following. a. Ask a user to enter a number. If the number is between 0 and 10, write the word blue. If the number is between 10 and 20, write the word red. If the number is between 20 and 30, write the word green. If it is any other number, write that it is not a correct colour option. b. Ask user to enter weight. Program will only display status “You’re obese” if the weight is more than 100kg. c. Modify above question. Program will display status based on below condition:  weight >100kg, status= “Obese”  weight < 30kg, status= “Underweight”  others, status = “Normal”

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Q1) Write the pseudocode for the following.

a. Ask a user to enter a number. If the number is between 0 and 10, write the word blue.
If the number is between 10 and 20, write the word red. If the number is between 20
and 30, write the word green. If it is any other number, write that it is not a correct
colour option.

b. Ask user to enter weight. Program will only display status “You’re obese” if the
weight is more than 100kg.

c. Modify above question. Program will display status based on below condition:
 weight >100kg, status= “Obese”
 weight < 30kg, status= “Underweight”
 others, status = “Normal”

Q2) Find the complexity of the following code
a. for (cnt2 = 0, i = 1; i<=n;i++)
for (j = 1; j <= i; j++)
cnt2++;

b. for (cnt3 = 0, i = 1; i<=n;i*2)
for (j = 1; j <= n; j++)
cnt3++;

c. for (cnt4 = 0, i =1;i<=n;i*=2)
for (j = 1; j <= i; j++)
cnt4++;

d. for (i = 0; i<n;i++)
for (j=0;j<n;j++)
a[i][j] = b[i][j] + c[i][j];

e. for (i = 0; i<n;i++)
for (j = 0; j <j++)
for (k =a[i][j]=0;k<n;k++)
a[i][j] += b[i][k]*c[k][j];

f. for (i = 0; i < n -1;i++)
for (j = i+1;j<n;j++)
{ tmp = a[i][j];
a[i][j] =a[j][i];
a[j][i] = tmp;}

Q3) Solve the following recursive function for count_partitions(6 , 4). Also draw the
Recursion tree.
def count_partitions(n , m)
if n==0
return 1
elif n < 0
return 0
return count_partitions(n-m , m) + count_partitions(n , m-1)

Q4. Solve the Tower of Hanoi by using 4 disks of different radius. Solve manually and also
build the Recursion Tree of the above problem.

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