Chapter 11 IM Answers - An Introduction to Programming with...

An Introduction to Programming with C++: Fifth Edition
978-1-4188-3618-4
Chapter 11 Answers
CONCEPT LESSON
REVIEW QUESTIONS
1. c All of the elements in a one-dimensional array have the same subscript.
2. c subscript
3. b int population[5] = {0};
4. b 500 with 510
5. a 20000 with 900
6. a display 22000
7. d if (x >= 0 && x <= 4)
8. d while (x <= 4)
{
sales[x] = sales[x] + 100;
x = x + 1;
} //end while
9. b while (x < 4)
{
total = total + nums[x];
x = x + 1;
} //end while
avg = static_cast<double>(total) / static_cast<double>(x);
10. a 0.0
11. c 6.0
12. b 5.0
13. d 8.0
14. a 0, 0
15. a combination of two subscripts
16. c int sales[3][4] = {0};
17. d 800 with 810
18. a 20000 with 900
19. a display 1300
20. d if (row >= 0 && row <= 1 && col >= 0 && col <= 4)
21. c cout << cities[8] << endl;
EXERCISES – PENCIL AND PAPER
1. int numbers[20] = {0};
numbers[1] = 7;
2. double rates[5] = {6.5, 8.3, 4.0, 2.0, 10.5};
3. for (int x = 0; x < 5; x = x + 1)
cout << rates[x] << endl;
//end for
4. int x = 0;
while (x < 5)
{
cout << rates[x] << endl;
x = x + 1;
} //end while
5. double high = rates[0];
int x = 1;

while (x < 5)
{
if (rates[x] > high)
high = rates[x];
//end if
x = x + 1;
} //end while
cout << high << endl;
6. double high = rates[0];
for (int x = 1; x < 5; x = x + 1)
if (rates[x] > high)
high = rates[x];
//end if
//end for