Problem Solving with C++ (9th Edition)
9th Edition
ISBN: 9780133591743
Author: Walter Savitch
Publisher: PEARSON
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Textbook Question
Chapter 2.4, Problem 30STE
What is the output produced by the following (when embedded in a correct
x = 10;
do {
cout << x << endl;
x = x – 3;
} while (x > 0);
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Here is the main function in a program
int main ()
{
int x = 30;
//more code goes here
someFunction (x) ;
cout « x;
return 0;
}
Assume the heading for someFunction is written correctly with an integer parameter named x, and that this is the body of that function:
{
x = x * 20;
//more code goes here
}
What will be the output? Just enter a number. If there would be an error, enter -999
What is the scope of identifier x which is declared in Line 4? *
Consider the following program:
const int LIMIT = 50;
// Line 1
int AddEm (int x, int y);
// Line 2
// Line 3
// Line 4
// Line 5
// Line 6
// Line 7
// Line 8
// Line 9
int main () {
int x = 42,
y = 35;
int Sum;
Sum = AddEm (x, y) ;
return 0;
int AddEm (int x, int y) {
int Total;
Total = x + y;
if (Total > LIMIT)
Total = 0;
return (Total);
// Line 10
// Line 11
// Line 12
// Line 13
// Line 14
// Line 15
// Line 16
}
Line 1 to Line 16
Line 4 to Line 16
Line 4 to Line 7
Line 4 to Line 9
What is the scope of identifier x which is declared in Line 10? *
Consider the following program:
const int LIMIT = 50;
// Line 1
int AddEm (int x, int y);
// Line 2
// Line 3
// Line 4
// Line 5
// Line 6
// Line 7
// Line 8
// Line 9
int main () {
int x = 42,
y = 35;
int Sum;
Sum = AddEm (x, y);
return 0;
// Line 10
// Line 11
// Line 12
// Line 13
// Line 14
// Line 15
// Line 16
int AddEm (int x, int y) {
www
int Total;
Total = x + y;
if (Total > LIMIT)
Total = 0;
return (Total);
Line 1 to Line 16
Line 4 to Line 16
O Line 10 to Line 12
Chapter 2 Solutions
Problem Solving with C++ (9th Edition)
Ch. 2.1 - Give the declaration for two variables called feet...Ch. 2.1 - Give the declaration for two variables called...Ch. 2.1 - Give a C++ statement that will change the value of...Ch. 2.1 - Give a C++ statement that will increase the value...Ch. 2.1 - Give a C++ statement that will change the value of...Ch. 2.1 - Prob. 6STECh. 2.1 - Prob. 7STECh. 2.2 - Give an output statement that will produce the...Ch. 2.2 - Give an input statement that will fill the...Ch. 2.2 - Prob. 10STE
Ch. 2.2 - Write a complete C++ program that writes the...Ch. 2.2 - Write a complete C++ program that reads in two...Ch. 2.2 - Prob. 13STECh. 2.2 - Write a short program that declares and...Ch. 2.3 - Convert each of the following mathematical...Ch. 2.3 - Prob. 16STECh. 2.3 - What is the output of the following program lines...Ch. 2.3 - Write a complete C++ program that reads two whole...Ch. 2.3 - Given the following fragment that purports to...Ch. 2.3 - What is the output of the following program lines...Ch. 2.4 - Write an if-else statement that outputs the word...Ch. 2.4 - Suppose savings and expenses are variables of type...Ch. 2.4 - Write an if-else statement that outputs the word...Ch. 2.4 - Write an if-else statement that outputs the word...Ch. 2.4 - Consider a quadratic expression, say x2 x 2...Ch. 2.4 - Consider the quadratic expression x2 4x + 3...Ch. 2.4 - What is the output of the following cout...Ch. 2.4 - What is the output produced by the following (when...Ch. 2.4 - What output would be produced in the previous...Ch. 2.4 - What is the output produced by the following (when...Ch. 2.4 - What is the output produced by the following (when...Ch. 2.4 - What is the most important difference between a...Ch. 2.4 - What is the output produced by the following (when...Ch. 2.4 - Write a complete C++ program that outputs the...Ch. 2.5 - The following if-else statement will compile and...Ch. 2.5 - Prob. 36STECh. 2.5 - Write a complete C++ program that asks the user...Ch. 2 - A metric ton is 35,273.92 ounces. Write a program...Ch. 2 - The Babylonian algorithm to compute the square...Ch. 2 - Many treadmills output the speed of the treadmill...Ch. 2 - Write a program that plays the game of Mad Lib....Ch. 2 - The following is a short program that computes the...Ch. 2 - A government research lab has concluded that an...Ch. 2 - Workers at a particular company have won a 7.6%...Ch. 2 - Modify your program from Programming Project 2 so...Ch. 2 - Negotiating a consumer loan is not always...Ch. 2 - Write a program that determines whether a meeting...Ch. 2 - Prob. 6PPCh. 2 - It is difficult to make a budget that spans...Ch. 2 - You have just purchased a stereo system that cost...Ch. 2 - Write a program that reads in ten whole numbers...Ch. 2 - Modify your program from Programming Project 9 so...Ch. 2 - Sound travels through air as a result of...Ch. 2 - Prob. 12PPCh. 2 - The HarrisBenedict equation estimates the number...Ch. 2 - Write a program that calculates the total grade...Ch. 2 - It is important to consider the effect of thermal...
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- What is the scope of identifier Sum which is declared in Line 6? * Consider the following program: const int LIMIT = 50; // Line 1 int AddEm (int x, int y); // Line 2 // Line 3 // Line 4 // Line 5 // Line 6 // Line 7 // Line 8 // Line 9 int main () { int x = 42, y = 35; int Sum; Sum = AddEm (x, y) ; return 0; // Line 10 // Line 11 // Line 12 // Line 13 // Line 14 // Line 15 // Line 16 int AddEm (int x, int y) { int Total; www Total = x + y; if (Total > LIMIT) Total = 0; return (Total); } Line 1 to Line 16 O Line 6 to Line 16 O Line 6 to Line 7 O Line 6 to Line 9 O None of the choicesarrow_forwardWhat is the scope of identifier LIMIT which is declared in Line 1? * Consider the following program: const int LIMIT = 50; // Line 1 int AddEm (int x, int y); // Line 2 // Line 3 // Line 4 // Line 5 // Line 6 // Line 7 // Line 8 // Line 9 int main () { int x = 42, y = 35; int Sum; Sum = AddEm (x, y); return 0; } int AddEm (int x, int y) { int Total; Total = x + y; if (Total > LIMIT) Total = 0; return (Total); // Line 10 // Line 11 // Line 12 // Line 13 // Line 14 // Line 15 // Line 16 O Line 1 to Line 16 O Line 1 to Line 3 O Line 10 to Line 13 Line 10 to Line 16arrow_forwardShow return value, parameters number and passing parameters type void copy (int& a, int& b, int& c) { a *= 2; b*= 2; c *= 2; } int main () { int x = 2, y = 5, z = 7; copy (x, y, z); cout << "x ="
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