1
#include <iostream>
2
3 using namespace std;
4
5 void display_array(int** p_arr, int width, int height)
6 {
7 for (int i = 0; i < width; i ++)
8 {
9 for (int j = 0; j < height; j ++)
10 {
11 cout
<< p_arr[i][j] << " ";
12 }
13 cout
<< endl;
14 }
15 }
16 void free_array(int** p_arr, int width, int height)
17 {
18 for (int i = 0; i < width; i ++)
19 {
20 free(p_arr[i]);
21 }
22 free(p_arr);
23 }
24
25 int main(int argc, char* argv[])
26 {
27 int cnt = 10;
28 int** p_array = NULL;
29 cout << "input array size:
m n: " <<
endl;
30 int m, n;
31 cin >> m
>> n;
32 p_array = (int**)malloc(m*sizeof(int*));
33 for (int i = 0; i < m; i ++)
34 {
35 p_array[i]
= (int*)malloc(n*sizeof(int));
36 for (int j = 0; j < n; j ++)
37 {
38 p_array[i][j]
= cnt;
39 cnt
++;
40 }
41 }
42 display_array(p_array,
m, n);
43 free_array(p_array,
m, n);
44 return 0;
45 }
C語言動態分配二維數組
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