課件參考教案

C++程序設(shè)計(jì)(玖voidf(intx,intintinta=intb[6]=f(a,cout<<“a=cout<<“b[0]=return}voidf(intx,intx=y[0]=}&int{intdoublestringreturn}

處理地址的數(shù)據(jù)類型*指針變量名[=初始值* 代 說(shuō)inti=3int*i_pointeri_pointer=&iint{intint*p_a=&a; return} **放在指 inta=int*p_a=a=21;////改變*p_a就是改變a（間 inta=int*p_a=a=*p_a=int*constint*int*p,x=p=*p=cout<<“x=”<<xconstinty=p&y;//int;int=p==4869;//constinty=p= inta=0,int*p1=&a, &*

右結(jié)合性(自右向左結(jié)合代碼int*p1,a=101p1=&a

代碼int*p1,a=101p1=&a;;??的指針變量p piid??

它實(shí)際上代表數(shù)組的起始地址（第一個(gè)元素的地址可以把數(shù)組起始地址賦給一個(gè)指針（初始化指針intintfor(inti=0;i<10;{&a[i]p?}intintfor(inti=0;i<10;{cout<<&a[i]cout<<p }inta[10]=int*p=int*q=p和q指向同一個(gè)數(shù)組元素（首元素*(起始地址+偏離量*(a+inta[10]={1,2,3,4,5,6,7,8,9,10;int*p=NULLp=*p=*p+1p=p+1inta[10]={1,2,3,4,5,6,7,8,9,10;int*p=NULLp=*p=*p+*p=*(p+inta[10]={1,2,3,4,5,6,7,8,9,10;int*p=NULLp=p=p+2cout<<*pp=p-3cout<<*p intarray[10]intsum=int*iptr=

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intarray[10]={??intsum=int*iptr=for(inti=0;i<10;sum+=}sum+=

for(inti=0;i<10;sum+=}可省略小括?++與*優(yōu)先級(jí)相都是右結(jié)newdeleteType*指針變量=newType(初值delete指針變量Type*指針變量=newType[數(shù)組大小delete指針變量intabc[12]intsize=0int*cd=newfor(inti=0;i<size;{}

cd[i]delete[]Type*=Type(初值Type*=Type[數(shù)組大小new返回intsize=0int*cd=newif(cd!={for(inti=0;i<size;{}delete[]}指向常量的指針（常量指針consttype*ptr_name intx=constint*p=inty=p=cout<<*p*p=1024;voidmystrcpy(char*dest,constchar{while(*dest++=*source++}constchartype*constptr_name intx=int*constp=*p=inty=p=&y;*p是變量（可修改constintb=28int*constpi=&b不能將constint*轉(zhuǎn)換成int將使得修改常量(如*pi=48;)合法化consttype*constptr=初始值intsum(intabc[],intintsum(int*abc,int voidinta=charc=cout<<*((charType(*func)(typea,typeb,???,type(*()的優(yōu)先級(jí)大于Type*func()代表返回指針的函數(shù)

charint(*fp1)(chara,charfp1=fn1;//fp1=fn3;//intfn1(charx,charint(*fp1)(chara,charfp1=(*fp1)(‘a(chǎn)’,’b’);//兼容C#include#includeusingnamespaceintsortCriterion(inta,intreturn}intmain(intargc,char**intsort(a,a+7,for(inti=0;i<7;}return} Typedefint(*FUN)(inta,intFUNFUN指針類型名（不是指針變量Type(*指針變量)[列的大小intint(*p)[3]=Type(*指針變量)[列的大小不能使用指向普通變量的指針去指向二維Type*指針變量[數(shù)組大小inttype**intmain(intargc,char**char**