实例代码_第85页-得得之家

#include iostreamusing namespace std;class Line {public:int getLength( void );Line( int len );// simple constructor

C++递减指针

#include iostreamusing namespace std;const int MAX = 3;int main () {intvar[MAX] = {10, 100, 200};

C++指针和数组

#include iostreamusing namespace std;const int MAX = 3;int main () {intvar[MAX] = {10, 100, 200};

C++指针数组

#include iostreamusing namespace std;const int MAX = 3;int main () {intvar[MAX] = {10, 100, 200};

C++函数接受指针参数

#include iostreamusing namespace std;// function declaration:double getAverage(int *arr, int size);

C++传递无符号长整数

#include iostream#include ctimeusing namespace std;void getSeconds(unsigned long *par);

C++指向指针的指针

#include iostreamusing namespace std;int main () {intvar;int*ptr;int**pptr;var = 3000;// take the address of var

C++数组最大整数

#include iostreamusing namespace std;const int MAX = 3;int main () {intvar[MAX] = {10, 100, 200};

C++函数返回指针

#include iostream#include ctimeusing namespace std;// function to generate and retrun random numbers.

C++当前日期和时间

#include iostream#include ctimeusing namespace std;int main() {// current date/time based on current system