C++primerplus编程练习答案
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. . . .
. 资料. .. . C++ primer plus
编程练习答案
注：本人暑假正在看这本书，顺便就把题目做了，均经过了编译器通过，无注释。
第二章
1：#include
#define max 10
using namespace std;
void main()
{
char name[max],dizhi[max];
cout<<"请输入: ";
cin>>name;
cout<<"请输入地址: ";
cin>>dizhi;
cout<<"--->"<"<
}
2：#include
using namespace std;
void main() . . . .
. 资料. .. . {
long juli;
cout<<"请输入距离long(1 long 为220码):";
cin>>juli;
cout<<"按照您输入的距离是:"<
}
3：#include
using namespace std;
void blind()
{
cout<<"Three blind mice\n";
}
void run()
{
cout<<"See how they run\n";
}
void main()
{
for(int i=0;i<2;i++)
blind();
for(int j=0;j<2;j++) . . . .
. 资料. .. . run();
}
4：#include
using namespace std;
void month(int age)
{
cout<<"该年龄一共包含"<
}
void main()
{
int age;
cout<<"请输入年龄:";
cin>>age;
month(age);
}
5：#include
using namespace std;
double fahrenheit(double celsius)
{
return 1.8*celsius+32.0;
}
void main() . . . .
. 资料. .. . {
double celsius;
cout<<"please enter a celsius value:";
cin>>celsius;
cout<
"<
}
6：#include
using namespace std;
double astronomical(double light)
{
return 63240*light;
}
void main()
{
double light;
cout<<"Enter the number of light years:";
cin>>light;
cout<
astronomical units.\n";
}
7：#include . . . .
. 资料. .. . using namespace std;
void display(int hours,int minutes)
{
cout<<"Time: "<
}
void main()
{
int hour,minute;
cout<<"please input the time of hour:";
cin>>hour;
cout<<"please input the time of minute:";
cin>>minute;
display(hour,minute);
}
第三章
1：#include
using namespace std;
const float danwei=0.0833333;
void iswap(int cun)
{
cout<<"您的身高为: "<
. 资料. .. . }
void main()
{
int cun;
cout<<"请输入英寸单位的身高(整数):_______\b\b\b\b\b\b";
cin>>cun;
iswap(cun);
}
2：#include
using namespace std;
const double yingchi=12;
const double bang=2.2;
const double memter=0.0245;
void caculate(double chi,double cun,double weight)
{
double BMI;
double yingcun,mi,qianke;
yingcun=cun+chi*yingchi;
mi=yingcun*memter;
qianke=weight/bang;
BMI=qianke/(mi*mi); . . . .
. 资料. .. . cout<<"您的BMI值为: "<
}
void main()
{
double chi,cun,weight;
cout<<"请输入身高(以几英尺几英寸方式输入): ";
cin>>chi>>cun;
cout<<"请输入体重(以磅为单位): ";
cin>>weight;
caculate(chi,cun,weight);
}
3：#include
using namespace std;
void main()
{
double degrees,minutes,seconds,sum;
cout<<"Enter a latitude in degrees,minutes,and
seconds:"<
cout<<"First,enter the degrees: ";
cin>>degrees;
cout<<"Next,enter the minutes of arc: ";
cin>>minutes; . . . .
. 资料. .. . cout<<"Finally,enter the seconds of arc: ";
cin>>seconds;
sum=degrees+minutes/60+seconds/3600;
cout<
minutes,"<
degrees."<
}
4：#include
using namespace std;
const long m=60;
const long h=60;
const long d=24;
int sumday(long seconds)
{
long hour,minute;
minute=seconds/m;
hour=minute/h;
return hour/d;
}
int sumhour(long seconds,int day)
{
long minute; . . . .
. 资料. .. . seconds=seconds-day*d*h*m;
minute=seconds/m;
return minute/h;
}
int summinute(long seconds,int day,int hour)
{
seconds=seconds-(day*d*h*m+hour*h*m);
return seconds/m;
}
int sumsecond(long seconds,int day,int hour,int minute)
{
return
seconds=seconds-(day*d*h*m+hour*h*m+minute*m);
}
void main()
{
long seconds;
int day,hour,minute,second;
cout<<"Enter the number of seconds: ";
cin>>seconds;
day=sumday(seconds);
hour=sumhour(seconds,day);
