For the C++ program show on the next page, answer the questions that follow. The names g, j, x, and y are declared multiple times. Distinguish uses of these names using line numbers where they were declared as subscripts. a. At point A in the program, what names are in scope? b. At point A in the program, what variables are live? c. At point B in the program, what names are in scope? d. At point B in the program, what variables are live?

For the C++ program show on the next page, answer the questions that follow. The names g, j, x, and y are declared multiple times. Distinguish uses of these names using line numbers where they were declared as subscripts. a. At point A in the program, what names are in scope? b. At point A in the program, what variables are live? c. At point B in the program, what names are in scope? d. At point B in the program, what variables are live?

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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Question

Code for Problem I.
田
int g3
2
int h;
int bar(int x, int y) {
int f = x + y;
int g = 2 * h;
3
4
5
while (f < e) {
7
int x = f
1;
8
int y = g
1;
g = x + y;
f--;
10
}
// Point A
f++;
int z = f
11
12
13
14
return z;
15 }
int j = g + h;
void print(int v);
16
17
int foo(int a) {
int x = a * 2;
// Point B
int r = bar(a, x);
18
19
20
21
return r;
22 }
int main() {
int j = 3;
int k = 4;
int m = foo(j + k);
print(m);
return 0;
23
24
25
%3D
26
27
28
29 }

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