c++数组指针、二维动态数组及二维指针、动态指针数组及函数参数

直接看代码和注释:

#include <iostream>

using namespace std;

void f(int (*arr)[5]){cout<

void f2(int arr[][5]){cout<

void f3(int **arr){cout<

int main()

{

....

....int (*arr1)[5] = new int[10][5]; // 数组指针与二维动态数组

....arr1[3][3] = 44;

....f(arr1);

....f2(arr1);

....int *arr2 = new int[5*10];

....

....int **arr = new int*[10]; // 二维指针与动态指针数组(as rows)

....for (int count = 0; count < 10; ++count)

........arr[count] = new int[5]; // as columns

....arr[3][3] = 55;

....

....f3(arr);

....for (count = 0; count < 10; ++count)

........delete[] arr[count];

....delete[] arr; // this needs to be done last

....

....

....cout<

....system("pause");

....return 0;

}

/*

44

44

55

*/

-End-


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