Answered: C Program Functions using Pointers…

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

Problem 1PE

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C Program Functions using Pointers

Create a function modify that accepts an integer and divides the integer by 2 if it is even. If the integer is odd, add one and divide it by 2. The function does not return anything.

In the main function, write a program that asks for an integer input and call the modify function by passing in the reference of that variable as a parameter.

An initial code is provided for you. Just fill in the blanks.

Input

1. One line containing an integer input

Output

Enter a number: 5

Before: 5

After: 3

1. Pass-by-reference in Functions
Using Pointers Practice I
by CodeChum Admin
Create a function modify that accepts an integer and divides
the integer by 2 if it is even. If the integer is odd, add one and
divide it by 2. The function does not return anything.
In the main function, write a program that asks for an integer
input and call the modify function by passing in the reference
of that variable as a parameter.
An initial code is provided for you. Just fill in the blanks.
Input
1. One line containing an integer input
Output
Enter a number: 5
Before: 5
After: 3
main.c
1
2
3
4
5
6
7
8
2
9
10
11
12
13
#include <stdio.h>
int main(void) {
int x;
}
printf("Enter a number: ");
scanf("%d", &x);
printf("Before: %d\n", x);
printf("After: %d", x);
return 0;
Test Cases
Constraints
O Constraint 1
This code must call the function inside the main
O Constraint 2
Must call use pass-by-reference method
Test Cases
○ Test Case 1
Your Output
No Output
Expected Output
Enter a number: 100
Before: 100
After: 50

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