(完整版)c++primerplus(第六版)课后编程练习答案Word文档格式.doc

1、fur;convert the furlong to yardendl;double yd;yd=fur2yd（fur）;fur furlong is yd yardreturn 0;double fur2yd（double t）return 220*t;/ex2.3-每个函数都被调用两次void mice（）;void see（）;using namespace std;mice（）;see（）;void mice（）three blind micevoid see（）see how they run/ex2.4 using namespace std; coutage; int month

2、; month=age*12;age years is month months return 0;/ex2.5-convert the Celsius valve to Fahrenheit valuedouble C2F（double）;coutC;double F;F=C2F（C）;C degrees Celsius is F degrees Fahrenheit.return 0;double C2F（double t）return 1.8*t+32; /ex2.6-convert the light years valve to astronomical units-把光年转换为天文

3、单位double convert（double）;/函数原型Enter the number of light years:double light_years;light_years;double astro_units;astro_units=convert（light_years）;light_years light_years = astro_units astronomical units.double convert（double t）return 63240*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void show（）;main（）show

4、（）;void show（）int h,m;enter the number of hours:h;enter the number of minutes: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const int inch_per_feet=12;/ const常量-1feet=12inches-1英尺=12英寸please enter your height in inches:_bbb/ b表示为退格字符int ht_inch;ht_inch;int ht_feet=ht_inch/inch_per_feet;/取商int rm_in

5、ch=ht_inch%inch_per_feet;/取余your height is ht_feet feet,and rm_inch inchesn/ex3.2-计算相应的body mass index（体重指数）const double meter_per_inch=0.0254;const double pound_per_kilogram=2.2;Please enter your height:First,enter your height of feet part（输入你身高的英尺部分）:_bint ht_feet;ht_feet;Second,enter your height

6、of inch part（输入你身高的英寸部分）:Now,please enter your weight in pound:double wt_pound;wt_pound;int inch;inch=ht_feet*inch_per_feet+ht_inch;double ht_meter;ht_meter=inch*meter_per_inch;double wt_kilogram;wt_kilogram=wt_pound/pound_per_kilogram;Your pensonal body information as follows:身高:inch（英尺inch）nht_met

7、er（米meter）n体重:wt_kilogram（千克kilogram）ndouble BMI;BMI=wt_kilogram/（ht_meter*ht_meter）;your Body Mass Index（体重指数） is BMI/ex3.3 以度，分，秒输入，以度输出const int minutes_per_degree=60;const int seconds_per_minute=60;Enter a latitude in degrees,minutes,and seconds:nFirst,enter the degrees:int degree;degree;Next,en

8、ter the minutes of arc:int minute;minute;Fianlly,enter the seconds of arc:int second;second;double show_in_degree;show_in_degree=（double）degree+（double）minute/minutes_per_degree+（double）second/minutes_per_degree/seconds_per_minute;degree degrees,minute minutes,secondseconds =show_in_degree degreesn/

9、ex3.4const int hours_per_day=24;const int minutes_per_hour=60;Enter the number of seconds:long seconds;seconds;int Day,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;secondsseconds = Day days,Hour hours,MinuteSecond secondsn/ex3.5 using namespace st