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C++ Primer Plus (Sixth Edition) 2.7 programming exercises

#1:


#include "iostream"

using namespace std;

int main()

{

cout << "Your Name: John.\n";

cout << "Your Address: China.\n";

system("pause");

return 0;

}


#2:


#include "iostream"

using namespace std;

int main()

{

int _L, _M;

const int p = 220;

cout << "Please Enter(long): ";

cin >> _L;

_M = _L*p;

cout << "That is " << _M <<" yard"<<((_M > 1)? "s\n":"\n");

system("pause");

return 0;

}


#3:


#include "iostream"

using namespace std;

void Printf_1();

void Printf_2();

int main()

{

Printf_1();

Printf_1();

Printf_2();

Printf_2();

system("pause");

return 0;

}

void Printf_1()

{

cout << "Three blind mice\n";

}

void Printf_2()

{

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

}


#4:


#include "iostream"

using namespace std;

int main()

{

int _age;

const int p = 12;

cout << "Enter your age: ";

cin >> _age;

cout << "That is " << _age*p << " months\n";

system("pause");

return 0;

}


#5:


#include "iostream"

using namespace std;

float Conversion(float _celsius);

int main()

{

float celsius;

cout << "Please Enter a Celsius value: ";

cin >> celsius;

cout << celsius << " degree" << (celsius > 1 ? "s " : " ") << "Celsius is " << Conversion(celsius) << " degrees Fahrenheit\n";

system("pause");

return 0;

}

float Conversion(float _celsius)

{

return _celsius*1.8 + 32.0;

}


#6:


#include "iostream"

using namespace std;

void Conversion();

int main()

{

Conversion();

system("pause");

return 0;

}

void Conversion()

{

const unsigned long p = 63240;

float _lightYears;

unsigned long astronomicalUnits;

cout << "Enter the number of Light years: ";

cin >> _lightYears;

astronomicalUnits = _lightYears*p;

cout << _lightYears << " light year" << (_lightYears > 1 ? "s " : " ") << "= " << astronomicalUnits << " astronomical units.\n";

}


#7:


#include "iostream"

using namespace std;

void show(int _hours, int _minutes);

int main()

{

int hours, minutes;

cout << "Enter the number of hours: ";

cin >> hours;

cout << "Enter the number of minutes: ";

cin >> minutes;

show(hours, minutes);

system("pause");

return 0;

}

void show(int _hours, int _minutes)

{

cout << "Time: " << _hours << ":" << _minutes << endl;

}

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