C++Primer_Plus 第五版习题参考答案 完整

Solutions for Programming Exercises in C++ Primer Plus, 5th Edition

Chapter 2

// pe2-2.cpp

#include <iostream>

int main(void)

{

using namespace std;

cout << "Enter a distance in furlongs: ";

return 0;

}

// pe2-3.cpp

#include <iostream>

using namespace std;

void mice();

void run();

int main()

{

mice();

{

cout << "Three blind mice";

}

void run()

{

cout << "See how they run\n";

}

// pe2-4.cpp

#include <iostream>

double C_to_F(double);

double F;

F = C_to_F(C);

cout << C << " degrees Celsius = "

<< F << " degrees Fahrenheit\n";

return 0;

}

double C_to_F(double temp)

{

return 1.8 * temp + 32.0;

}

{

using namespace std;

// Note: some environments don't support the backspace character

int ht_inch;

cin >> ht_inch;

int ht_feet = ht_inch / Inch_Per_Foot;

int rm_inch = ht_inch % Inch_Per_Foot;

cout << rm_inch << " inch(es).\n";

return 0;

}

// pe3-3.cpp

int degrees;

int minutes;

int seconds;

cout << "Enter a latitude in degrees, minutes, and seconds:\n";

cout << "First, enter the degrees: ";

cin >> degrees;

cout << "Next, enter the minutes of arc: ";

cin >> minutes;

cout << "Finally, enter the seconds of arc: ";

cin >> seconds;

latitude = degrees + (minutes + seconds / SECS_PER_MIN)/MINS_PER_DEG;

cout << degrees << " degrees, " << minutes << " minutes, "

#include <iostream>

int main(void)

using namespace std;

cout << "How many miles have you driven your car? ";

float miles;

cin >> miles;

float gallons;

cin >> gallons;

cout << "Your car got " << miles / gallons;

cout << " miles per gallon.\n";

return 0;

}

const double KM100_TO_MILES = 62.14;

const double LITERS_PER_GALLON = 3.875;

int main ( void )

using namespace std;

double euro_rating;

double us_rating;

cout << "Enter fuel consumption in liters per 100 km: ";

cin >> euro_rating;

// divide by LITER_PER_GALLON to get gallons per 100-km

// divide by KM100_TO_MILES to get gallons per mile

// invert result to get miles per gallon

us_rating = (LITERS_PER_GALLON * KM100_TO_MILES) / euro_rating;

cout << euro_rating << " liters per 100 km is ";

Chapter 4

#include <iostream>

#include <string>

int main()

using namespace std;

string name;

string dessert;

getline(cin, name); // reads through newline

cout << "Enter your favorite dessert:\n";

getline(cin, dessert);

cout << "I have some delicious " << dessert;

cout << " for you, " << name << ".\n";

return 0;

const int SIZE = 20;

int main()

{

using namespace std;

char lastName[SIZE];

char fullName[2*SIZE + 1];

cout << "Enter your first name: ";

cin >> firstName;

cout << "Enter your last name: ";

cin >> lastName;

strncpy(fullName,lastName,SIZE);

strcat(fullName, ", ");

strncat(fullName, firstName, SIZE);

// pe4-5.cpp

// a candybar structure