第一章没有习题

 

2.1

//p35  1

#include <iostream.h>
int main()
{
  cout<<"我的名字啊，这是个什么啊"<<endl;
  cout<<"我家住在黄土高坡\n";
  cin.get();
  return 0;    
    
    
}

2.2

// 2.2

#include <iostream.h>
int main()
{
 cout<<"输入一个以码为单位的距离\n";
 int n;
 cin>>n;
 //cout<<n;
 cout<<"转换之后啊，看看是多少啊:\n"<<n*220<<"码"<<endl; 
 cin.get();
 cin.get();
 return 0;    
    
    
}

2.3

//2.3

#include <iostream.h>

void myFuction1();
void myFuction2() ;

int main()
{
    using namespace std;
    myFuction1(); 
    myFuction1(); 
    myFuction2(); 
    myFuction2();
    cin.get();
    return 0; 
    
    
}

void myFuction1()
{
 cout<<"Three blind mice"<<endl;
 cout<<"Three blind mice"<<endl;      
}
void myFuction2()
{
cout<<"see how they run"<<endl; 
cout<<"see how they run"<<endl;      
     
}

2.4

 

//2.4 

#include <iostream.h>
int main()
{
     cout<<"请输入你的年龄"<<endl;
     int age;
     cin>>age;
     cout<<"你的年龄是："<<age<<endl;
     cout<<"包含"<<age*12<<"个月"<<endl;
     cin.get();
     cin.get();
     return 0; 
    
    
}

2.5

//2.5
#include <iostream.h>

double change(double n);
int main()
{
     cout<<"please enter a Celsius valus:";
     double n;
     cin>>n;
     cout<<"\nyour valus is :"<<n<<endl;
     double now=change(n);
     cout<<"now is "<<now<<endl<<change(5.2);
     cin.get();
     cin.get();
     return 0;
    
    
}
double change(double n)
{
      
 return n*10;//这里的公式是错的，应该是return 1.8*n+32.0 才对  --2015/01/28       
       
       
}

不懂可以留言，这么简单应该都懂吧