练习一
#include <iostream>
using namespace std;
int main()
{
cout << "ZhangChen" << endl;
cout << "Beijing" << endl;
}
g++ -o 1 1.cpp
//-o 文件名
//指定编译生成可执行文件的名称
练习二
#include <iostream>
int main()
{
using namespace std;
float my_long;
float yard;
cin >> my_long;
yard = 220 * my_long;
cout << my_long << " long = " << yard << " yard." << endl;
}
练习三
#include <iostream>
void Cout1(void);
void Cout2(void);
int main()
{
Cout1();
Cout1();
Cout2();
Cout2();
}
void Cout1()
{
std::cout << "Three blind mice" << std::endl;
}
void Cout2()
{
std::cout << "See how they run" << std::endl;
}
练习四
#include <iostream>
using namespace std;
int main()
{
int your_age;
int month;
cout << "Enter your age:";
cin >> your_age;
month = 12 * your_age;
cout << month << endl;
}
练习五
#include <iostream>
float change(float a);
int main()
{
using namespace std;
float a;
float b;
cout << "Please enter a Celsius value: ";
cin >> a;
b = change(a);
cout << a << " degrees Celsius is " << b << " degrees Fahrenheit." << endl;
}
float change(float a)
{
float b;
b = 1.8 * a + 32.0;
return b;
}
练习六
#include <iostream>
double change(float a);
int main()
{
using namespace std;
float a;
double b;
cout << "Enter the number of light years: ";
cin >> a;
b = change(a);
cout << a << " light years = " << b << " astronomical units." << endl;
}
double change(float a)
{
double b;
b = 63240 * a;
return b;
}
练习七
#include <iostream>
using namespace std;
void display(int h, int m);
int main()
{
int h;
int m;
cin >> h;
cin >> m;
display(h, m);
}
void display(int h, int m)
{
cout << "Enter the number of hours: " << h << endl;
cout << "Enter the number of minutes: " << m << endl;
cout << "Time " << h << ":" << m << endl;
}
结语
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