10:16 < Вack Exam 2 Time left 01:18:08 Consider this program: #include int abs_difference(int x, int y); int main() { int x, y; printf("Enter x: "); scanf("%i", &x); printf("Enter y: "); scanf("%i", &y); int abs_diff = abs_difference(x, y); printf("Absolute value of the differenc return 0; }

10:16 < Вack Exam 2 Time left 01:18:08 Consider this program: #include int abs_difference(int x, int y); int main() { int x, y; printf("Enter x: "); scanf("%i", &x); printf("Enter y: "); scanf("%i", &y); int abs_diff = abs_difference(x, y); printf("Absolute value of the differenc return 0; }

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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Concept explainers

Control structures

Control structures are block of statements that analyze the value of variables and determine the flow of execution based on those values. When a program is running, the CPU executes the code line by line. After sometime, the program reaches the point where it has to make a decision on whether it has to go to another part of the code or repeat execution of certain part of the code. These results affect the flow of the program's code and these are called control structures.

Switch Statement

The switch statement is a key feature that is used by the programmers a lot in the world of programming and coding, as well as in information technology in general. The switch statement is a selection control mechanism that allows the variable value to change the order of the individual statements in the software execution via search.

Question

10:16
Вack
Exam 2
Time left 01:18:03
>
The following function returns a pointer to an array that
contains the first n multiples of a positive integer x,
starting with x itself. For example, if x is 4 and n is 5, it
returns a pointer to an array containing 4, 8, 12, 16, and
1,
20.
However, there is a problem with the way that this
function tries to return an array. What is the problem,
and how should it be fixed?
unsigned int *multiples_array(unsigned int
X, size_t n) {
unsigned int multiples [n];
for (unsigned int i = 0; i < n; i++) {
multiples [i]
}
return multiples;
}
= x * (i + 1);
4
II

10:16
Вack
Exam 2
Time left 01:18:08
>
Consider this program:
#include <stdio.h>
int abs_difference(int x, int y);
int main() {
int x, у;
printf("Enter x: ");
scanf("%i", &x);
printf("Enter y: ");
scanf("%i", &y);
int abs_diff = abs_difference(x, y);
printf("Absolute value of the differenc
return 0;
}
int abs_difference(int x, int y) {
int difference = x - y;
х — у;
if (difference < 0) {
difference *= -1;
}
return difference;
}
Explain the state of the call stack when the function
abs_difference() is executing in this program. In
your explanation be sure to state how many stack
frames are in the stack, what each stack frame stores,
and what will happen to the stack when
abs_difference() returns.
4
II

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