C++ Primer Plus 第2章编程练习

最新推荐文章于 2024-05-07 21:32:54 发布

原创最新推荐文章于 2024-05-07 21:32:54 发布 · 434 阅读

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CC 4.0 BY-SA版权

本文提供了多个C++程序实例，包括字符串输出、单位转换、输入处理等实用功能，旨在帮助初学者理解C++基本语法和函数调用。

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#include <iostream>
int main()
{
	using namespace std;
	cout << "betaojia" << endl;
	cout << "beijing" << endl;
	cin.get();
	return 0;
}

#include <iostream>
double fur2feet(double);
int main()
{
	using namespace std;
	double fur;
	cin >> fur;
	double feet = fur2feet(fur);
	cout << feet << endl;
	cin.get();
	cin.get();
	return 0;
}
double fur2feet(double t)
{
	double f = t*220.0;
	return f;
}

#include <iostream>
void first();
void second();
int main()
{
	first();
	first();
	second();
	second();
	return 0;
}
void first()
{
	using namespace std;
	cout << "Three blind mice" << endl;
}
void second()
{
	using namespace std;
	cout << "See how they run" << endl;
}

#include <iostream>
int year2month(int);
int main()
{
	using namespace std;
	cout << "Enter your age: ";
	int age;
	cin >> age;
	//cout << endl;
	int month = year2month(age);
	cout << month;
	cin.get();
	cin.get();
	return 0;
}
int year2month(int y)
{
	return y*12;
}

#include <iostream>
double C2F(double);
int main()
{
	using namespace std;
	cout << "Please enter a Celsius value: ";
	double c;
	cin >> c;
	double f = C2F(c);
	cout << c << " degree Celsius is " << f << " degree Fahrenheit.";
	cin.get();
	cin.get();
	return 0;
}
double C2F(double a)
{
	return 1.8 * a + 32.0;
}

#include <iostream>
double lightyear2astronomicalunit(double);
int main()
{
	using namespace std;
	cout << "Enter the number of light years: ";
	double l;
	cin >> l;
	double a = lightyear2astronomicalunit(l);
	cout << l << " light years = " << a << " astromical units.";
	cin.get();
	cin.get();
	return 0;
}
double lightyear2astronomicalunit(double a)
{
	return 63240.0 * a;
}

#include <iostream>
using namespace std;
int inputhour();
int inputmin();
int main()
{
	int hour = inputhour();
	int min = inputmin();
	cout << "Time: " << hour << ":" << min;
	cin.get();
	cin.get();
	return 0;
}
int inputhour()
{
	cout << "Enter the number of hours: ";
	int h;
	cin >> h;
	return h;
}
int inputmin()
{
	cout << "Enter the number of minutes: ";
	int m;
	cin >> m;
	return m;
}