Chapter 3, Problem 16CP

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Chapter 3, Problem 16CP

(a)

Explanation of Solution

Given: The following code:

if (number % 2 == 0)

cout << number << " is even";

if (number % 5 == 0)

cout << number << " is multiple of 5";

To find: The output of the code.

Solution:

When the value of the number is 14.

The output of the code will be â€œ14 is evenâ€�. In this case, both the â€˜ifâ€™ statements will be evaluated but only the first â€˜ifâ€™ statement will be executed.

// Header files

#include

// Header files

#include

//Declaring the namespace

using namespace std;

// Declaring the main of code

int main() {

// Declaring the variable.

int number=14;

// Using the if-statement.

if(number % 2 == 0)

// Displays the message.

cout << number << " is even";

// Using the if-statement.

if(number % 5 == 0)

// Displays the message.

cout << number << " is multiple of 5";

// Using return statement

return 0;

}

When the value of the number is 15.

The output of the code will be â€œ15 is multiple of 5â€�. In this case, both the â€˜ifâ€™ statements will be evaluated but only the second â€˜ifâ€™ statement will be executed.

// Header files

#include

// Header files

#include

//Declaring the namespace

using namespace std;

// Declaring the main of code

int main() {

// Declaring the variable...

(b)

Explanation of Solution

Given: The following code:

if (number % 2 == 0)

cout << number << " is even";

else if (number % 5 == 0)

cout << number <<" is multiple of 5";

To find: The output of the code.

Solution:

When the value of the number is 14.

The output of the code will be â€œ14 is evenâ€�. In this case, the â€˜else-ifâ€™ statement will be evaluated only when the condition of the â€˜ifâ€™ statement is false. Here, the condition of the â€˜ifâ€™ statement is true. Hence, only the â€˜ifâ€™ statement will be executed.

// Header files

#include

// Header files

#include

//Declaring the namespace

using namespace std;

// Declaring the main of code

int main() {

// Declaring the variable.

int number=14;

// Using the if-statement.

if(number % 2 == 0)

// Displays the message.

cout << number << " is even";

// Using the else-if-statement.

else if(number % 5 == 0)

// Displays the message.

cout << number << " is multiple of 5";

// Using return statement

return 0;

}

When the value of the number is 15.

The output of the code will be â€œ15 is multiple of 5â€�. In this case, the â€˜else-ifâ€™ statement will be evaluated only when the condition of the â€˜ifâ€™ statement is false. Here, the condition of the â€˜ifâ€™ statement is false. Hence, only the â€˜else-ifâ€™ statement will be executed.

// Header files

#include

// Header files

#include

//Declaring the namespace

using namespace std;

// Declaring the main of code

int main() {

// Declaring the variable...

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