prob

void calc_probability(int num)
{
    int i = 0, j = 0 , k = 0;  
    #define  SIZE_NUM 8
    int *array_num = NULL; 
    int *remember_num = NULL;
    char (**array_detail)[SIZE_NUM] = NULL; //数组指针
    int len_array = 0;
    int count_num = 0;
    int count = 0;

    len_array = 2 * num - 1;
    array_num = (int*)calloc(len_array, sizeof(int));
    array_detail = (char (**)[SIZE_NUM])calloc(len_array, sizeof(char(*))); //这里注意是sizeof(char(*)不是sizeof(char(*)[SIZE_NUM])
    remember_num = (int*)calloc(len_array, sizeof(int));

    for(i = 0; i < len_array; i++)
    {
        array_num[i] = i + 2;
        array_detail[i] = (char(*)[SIZE_NUM])calloc(count_num + 1, sizeof(char[SIZE_NUM]));
    }

    for(i = 0; i < len_array; i++)
    {   
        count = 0; // 计数清零
        count_num = 0;
        for(j = 1; j <= num; j++)
        {
            for(k = 1; k <= num; k++)
            {
                if(j + k == array_num[i])
                {
                    sprintf(array_detail[i] + count_num, "(%d, %d)", j, k);
                    //printf("%s", array_detail[i] + count_num);
                    count_num++;
                    count++;
                    array_detail[i]  = (char(*)[SIZE_NUM])realloc(array_detail[i], (count_num + 1) * sizeof(char[SIZE_NUM]));
                    memset(array_detail[i] + count_num, 0x0, SIZE_NUM);
                }
            }
        }
        remember_num[i] = count;
    }

    for(i = 0; i < len_array; i ++)
    {   
        printf("数字 %d 的个数是: %d
", i + 2, remember_num[i]);
        for(j = 0; j < remember_num[i]; j++)
        {
            printf("%s ", array_detail[i] + j);
        }
        printf("
");
    }


    //释放内存
    free(remember_num);
    remember_num = NULL;

    free(array_num);
    array_num = NULL;

    for(i = 0; i < len_array; i++)
    {
        free(array_detail[i]);
        array_detail[i] = NULL;
    }
    free(array_detail);
    array_detail = NULL;

    return;

}

错了好多次，终于改对了。