c++primerplus（第六版）课后编程练习测试参考答案

精心整理 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< voidmice(); voidsee(); usingnamespacestd; intmain() { mice(); mice(); see(); see(); return0;

} voidmice()

{

cout<<\

} voidsee()

精心整理

{

cout<<\

} //ex2.4

#include

intmain()

{

usingnamespacestd; cout<<\

intage; cin>>age; intmonth; month=age*12; cout< doubleC2F(double); intmain() { usingnamespacestd; cout<<\doubleC; cin>>C; doubleF; F=C2F(C); cout<

doubleconvert(double);//函数原型

intmain()

{

usingnamespacestd;

cout<<\

doublelight_years; cin>>light_years; doubleastro_units;

astro_units=convert(light_years);

cout<

return0;

精心整理

}

doubleconvert(doublet)

{

return63240*t;//1光年=63240天文单位

}

//ex2.7--显示用户输入的小时数和分钟数

#include

voidshow(); main() {

usingnamespacestd;

show(); return0; } voidshow() { usingnamespacestd; inth,m; cout<<\cin>>h; cout<<\cin>>m; cout<<\} 第三章：处理数据 //ex3.1—将身高用英尺(feet)和英寸(inch)表示 #include constintinch_per_feet=12;//const常量--1feet=12inches--1英尺=12英寸 intmain() { usingnamespacestd; cout<<\表示为退格字符 intht_inch; cin>>ht_inch; intht_feet=ht_inch/inch_per_feet;//取商 intrm_inch=ht_inch%inch_per_feet;//取余 cout<<\

<

return0;

}

//ex3.2--计算相应的bodymassindex（体重指数）

#include constintinch_per_feet=12;

constdoublemeter_per_inch=0.0254; constdoublepound_per_kilogram=2.2;

intmain()

{

精心整理 usingnamespacestd;

cout<<\

cout<<\（输入你身高的英尺部分）:_\\b\

intht_feet; cin>>ht_feet;

cout<<\（输入你身高的英寸部分）:_\\b\

intht_inch; cin>>ht_inch;

cout<<\

doublewt_pound; cin>>wt_pound;

intinch; inch=ht_feet*inch_per_feet+ht_inch; doubleht_meter; ht_meter=inch*meter_per_inch; doublewt_kilogram; wt_kilogram=wt_pound/pound_per_kilogram; cout< constintminutes_per_degree=60; constintseconds_per_minute=60; intmain() { usingnamespacestd; cout<<\ cout<<\ intdegree; cin>>degree;

cout<<\

intminute; cin>>minute;

cout<<\

intsecond; cin>>second; doubleshow_in_degree;

show_in_degree=(double)degree+(double)minute/minutes_per_degree+(double)second/minutes_per_

degree/seconds_per_minute;