完整版c++primerplus第六版课后编程练习答案Word格式.docx

完整版c++primerplus第六版课后编程练习答案Word格式.docx

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doublefur;

cin>

>

fur;

convertthefurlongtoyard"

endl;

doubleyd;

yd=fur2yd（fur）;

fur<

furlongis"

yd<

yard"

return0;

doublefur2yd（doublet）

return220*t;

//ex2.3-每个函数都被调用两次

voidmice（）;

voidsee（）;

usingnamespacestd;

mice（）;

see（）;

voidmice（）

threeblindmice"

voidsee（）

seehowtheyrun"

//ex2.4

Enteryourage:

intage;

age;

intmonth;

month=age*12;

age<

yearsis"

month<

months"

//ex2.5---converttheCelsiusvalvetoFahrenheitvalue

doubleC2F（double）;

cout<

pleaseenteraCelsiusvalue:

doubleC;

cin>

C;

doubleF;

F=C2F（C）;

C<

degreesCelsiusis"

F<

degreesFahrenheit."

return0;

doubleC2F（doublet）

return1.8*t+32;

}

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

doubleconvert（double）;

//函数原型

Enterthenumberoflightyears:

doublelight_years;

light_years;

doubleastro_units;

astro_units=convert（light_years）;

light_years<

light_years="

astro_units<

astronomicalunits."

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

voidshow（）;

main（）

show（）;

voidshow（）

inth,m;

enterthenumberofhours:

h;

enterthenumberofminutes:

m;

Time:

h<

:

m<

第三章：

处理数据

//ex3.1—将身高用英尺（feet）和英寸（inch）表示

constintinch_per_feet=12;

//const常量--1feet=12inches--1英尺=12英寸

pleaseenteryourheightininches:

___\b\b\b"

//\b表示为退格字符

intht_inch;

ht_inch;

intht_feet=ht_inch/inch_per_feet;

//取商

intrm_inch=ht_inch%inch_per_feet;

//取余

yourheightis"

ht_feet<

feet,and"

<

rm_inch<

inches\n"

//ex3.2--计算相应的bodymassindex（体重指数）

constdoublemeter_per_inch=0.0254;

constdoublepound_per_kilogram=2.2;

Pleaseenteryourheight:

First,enteryourheightoffeetpart（输入你身高的英尺部分）:

_\b"

intht_feet;

ht_feet;

Second,enteryourheightofinchpart（输入你身高的英寸部分）:

Now,pleaseenteryourweightinpound:

doublewt_pound;

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;

Yourpensonalbodyinformationasfollows:

身高:

inch<

（英尺inch）\n"

ht_meter<

（米meter）\n"

体重:

wt_kilogram<

（千克kilogram）\n"

doubleBMI;

BMI=wt_kilogram/（ht_meter*ht_meter）;

yourBodyMassIndex（体重指数）is"

BMI<

//ex3.3以度，分，秒输入，以度输出

constintminutes_per_degree=60;

constintseconds_per_minute=60;

Enteralatitudeindegrees,minutes,andseconds:

\n"

First,enterthedegrees:

intdegree;

degree;

Next,entertheminutesofarc:

intminute;

minute;

Fianlly,enterthesecondsofarc:

intsecond;

second;

doubleshow_in_degree;

show_in_degree=（double）degree+（double）minute/minutes_per_degree+（double）second/minutes_per_degree/seconds_per_minute;

degree<

degrees,"

minute<

minutes,"

second<

seconds="

show_in_degree<

degrees\n"

//ex3.4

constinthours_per_day=24;

constintminutes_per_hour=60;

{

Enterthenumberofseconds:

longseconds;

seconds;

intDay,Hour,Minute,Second;

Day=seconds/seconds_per_minute/minutes_per_hour/hours_per_day;

Hour=seconds/seconds_per_minute/minutes_per_hour%hours_per_day;

Minute=seconds/seconds_per_minute%minutes_per_hour;

Second=seconds%seconds_per_minute;

seconds<

seconds="

Day<

days,"

Hour<

hours,"

Minute<

Second<

seconds\n"

//ex3.5

c