cprimerplus第六版课后编程练习答案

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第二章:开始学习C++

n”; }

<

doubleC2F(doublet) {

*t+32; }

<

doubleconvert(doublet) {

return63240*t;n\

return0; }

Entertheautomobilegasolineconsumptionfigurein Europeanstyle(litersper100kilometers):

耗油量--美国风格(mpg)转换成欧洲风格(L/100Km) #include intmain() {

usingnamespacestd;

cout<<\ <<\

doubleUS_style; cin>>US_style;

cout<<\ cout<

return0; }

rand<

<

<

return0; }

rand=\

snack[0].calory=200; snack[1].brand=\ snack[1].weight=; snack[1].calory=400; snack[2].brand=\ snack[2].weight=; snack[2].calory=500; for(inti=0;i<3;i++) {

cout<<\ cout<<\

cout<<\ }

delete[]snack; return0; }

数组—方法1

#include intmain() {

usingnamespacestd; constintSize=3; intsuccess[Size];

cout<<\ cin>>success[0]>>success[1]>>success[2]; cout<<\ cout<<\ cout<<\

doubleaverage=(success[0]+success[1]+success[2])/3; cout<<\return0; }

array—方法2

#include #include intmain() {

usingnamespacestd;

arrayad={0};

cout<<\ cin>>ad[0]>>ad[1]>>ad[2]; cout<<\ cout<<\ cout<<\ ad[3]=(ad[0]+ad[1]+ad[2])/3; cout<<\

return0; }

第五章循环和关系表达式

et();

car*ps=newcar[num]; for(inti=0;i

cout<<\ cout<<\ getline(cin,ps[i].name);

cout<<\ (cin>>ps[i].year).get(); }

cout<<\ for(inti=0;i

cout<

#include intmain() {

usingnamespacestd;

cout<<\ }

intnum; cin>>num;

for(inti=0;i

for(intj=num-i;j>1;j--) for(intk=0;k<=i;++k)

cout<

cout<<\

cout<<\

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