C++指针入门.pdf

C++ 2013 3 4 “”C C , , , “”, , C . , Java,C#,Python , C . 1 2 . , . , , , , , . #includeiostream #includecstdio #includecstring using namespace std; int main(){ int a=99; // int *pa=a; // int *pa=a; coutpaendl; cout*paendl; // //int *p1,p2; //p1=p2; } 3 . #includeiostream #includecstdio #includecstring using namespace std; int main(){ int a=99; int *pa=a; int b=88; int *pb=b; coutBefore swap:endl; coutpa pbendl; cout*pa *pbendl; couta bendl; // int *pt=pa; pa=pb; pb=pt; coutAfter swap:endl; coutpa pbendl; cout*pa *pbendl; couta bendl; } . 4 : #includeiostream #includecstdio #includecstring using namespace std; int main(){ int a=99; int *pa=a; int b=88; int *pb=b; coutBefore swap:endl; coutpa pbendl; cout*pa *pbendl; couta bendl; // int pt=*pa; *pa=*pb; *pb=pt; coutAfter swap:endl; coutpa pbendl; cout*pa *pbendl; couta bendl; } 5 #include iostream u