prob

 1 void calc_probability(int num)
 2 {
 3     int i = 0, j = 0 , k = 0;  
 4     #define  SIZE_NUM 8
 5     int *array_num = NULL; 
 6     int *remember_num = NULL;
 7     char (**array_detail)[SIZE_NUM] = NULL; //数组指针
 8     int len_array = 0;
 9     int count_num = 0;
10     int count = 0;
11 
12     len_array = 2 * num - 1;
13     array_num = (int*)calloc(len_array, sizeof(int));
14     array_detail = (char (**)[SIZE_NUM])calloc(len_array, sizeof(char(*))); //这里注意是sizeof(char(*)不是sizeof(char(*)[SIZE_NUM])
15     remember_num = (int*)calloc(len_array, sizeof(int));
16 
17     for(i = 0; i < len_array; i++)
18     {
19         array_num[i] = i + 2;
20         array_detail[i] = (char(*)[SIZE_NUM])calloc(count_num + 1, sizeof(char[SIZE_NUM]));
21     }
22 
23     for(i = 0; i < len_array; i++)
24     {   
25         count = 0; // 计数清零
26         count_num = 0;
27         for(j = 1; j <= num; j++)
28         {
29             for(k = 1; k <= num; k++)
30             {
31                 if(j + k == array_num[i])
32                 {
33                     sprintf(array_detail[i] + count_num, "(%d, %d)", j, k);
34                     //printf("%s", array_detail[i] + count_num);
35                     count_num++;
36                     count++;
37                     array_detail[i]  = (char(*)[SIZE_NUM])realloc(array_detail[i], (count_num + 1) * sizeof(char[SIZE_NUM]));
38                     memset(array_detail[i] + count_num, 0x0, SIZE_NUM);
39                 }
40             }
41         }
42         remember_num[i] = count;
43     }
44 
45     for(i = 0; i < len_array; i ++)
46     {   
47         printf("数字 %d 的个数是: %d
", i + 2, remember_num[i]);
48         for(j = 0; j < remember_num[i]; j++)
49         {
50             printf("%s ", array_detail[i] + j);
51         }
52         printf("
");
53     }
54 
55 
56     //释放内存
57     free(remember_num);
58     remember_num = NULL;
59 
60     free(array_num);
61     array_num = NULL;
62 
63     for(i = 0; i < len_array; i++)
64     {
65         free(array_detail[i]);
66         array_detail[i] = NULL;
67     }
68     free(array_detail);
69     array_detail = NULL;
70 
71     return;
72 
73 }
错了好多次，终于改对了。