cprimerplus第六版课后编程练习答案

第二章：开始学习C++

//ex2.1--displayyournameandaddress

#include

intmain(void)

{

usingnamespacestd;

cout<<\”；

}

//ex2.2--convertthefurlongunitstoyarduints-把浪单位换位码单位

#include

doublefur2yd(double);

intmain()

{

usingnamespacestd;

cout<<\

doublefur;

cin>>fur;

cout<<\

doubleyd;

yd=fur2yd(fur);

cout<

return0;

}

doublefur2yd(doublet)

{

return220*t;

}

//ex2.3-每个函数都被调用两次

#include

voidmice();

voidsee();

usingnamespacestd;

intmain()

{

mice();

mice();

see();

see();

return0;

}

voidmice()

{

cout<<\

}

voidsee()

{

cout<<\

}

//ex2.4

#include

intmain()

{

usingnamespacestd;

cout<<\

intage;

cin>>age;

intmonth;

month=age*12;

cout<

return0;

}

//ex2.5---converttheCelsiusvalvetoFahrenheitvalue

#include

doubleC2F(double);

intmain()

{

usingnamespacestd;

cout<<\

doubleC;

cin>>C;

doubleF;

F=C2F(C);

cout<

return0;

}

doubleC2F(doublet)

{

return1.8*t+32;

}

//ex2.6---convertthelightyearsvalvetoastronomicalunits--把光年转换为天文单位