发布时间 : 星期二 文章cprimerplus第六版课后编程练习答案更新完毕开始阅读
constintseconds_per_minute=60;
intmain()
{
usingnamespacestd;
cout<<\
longseconds;
cin>>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;
cout< \ return0; } //ex3.5 #include intmain() { usingnamespacestd; cout<<\ longlongworld_population; cin>>world_population; cout<<\ longlongUS_population; cin>>US_population; doublepercentage; percentage=(double)US_population/world_population*100; cout<<\ return0; } //ex3.6?汽车耗油量-美国(mpg)or欧洲风格(L/100Km) #include intmain() { ?usingnamespacestd; ?cout<<\ ?doublem_distance; ?cin>>m_distance; ?cout<<\ ?doublem_gasoline; ?cin>>m_gasoline; ?cout<<\ ?cout<<\ ?cout<<\ ?doublek_distance; ?cin>>k_distance; ?cout<<\ ?doublek_gasoline; ?cin>>k_gasoline; ?cout<<\petrolper100kilometers\\n\ ?return0; } //ex3.7automobilegasolineconsumption-耗油量--欧洲风格(L/100Km)转换成美国风格(mpg) #include intmain() { usingnamespacestd; cout<<\ <<\ doubleEuro_style; cin>>Euro_style;