//如果数组作为函数参数,数组形参退化为指针
//void print_array(int a[1], int n)
//void print_array(int a[], int n)
//如果数组作为函数参数,数组形参退化为指针
//void print_array(int a[1], int n)
//void print_array(int a[], int n)
void print_array(int *a, int n)
{
// a, 当做指针用,指针类型,32位,长度4个字节
n = sizeof(a) / sizeof(a[0]); //元素个数
printf("print_array: n = %d\n", n);
int i = 0;
for (i = 0; i < n; i++)
{
printf("%d ", a[i]);
}
printf("\n");
}
void sort_array(int a[10], int n)
{
int i, j, tmp;
//选择法排序
for (i = 0; i < n - 1; i++)
{
for (j = i + 1; j < n; j++)
{
if (a[i] > a[j]) //升序
{
tmp = a[i];
a[i] = a[j];
a[j] = tmp;
}
}
}
}
int main(void)
{
int a[] = { 10, 7, 1, 9, 4, 6, 7, 3, 2, 0 };
int n;
int i = 0;
int j = 0;
int tmp = 0;
n = sizeof(a) / sizeof(a[0]); //元素个数
printf("n = %d\n", n);
printf("排序前:\n");
print_array(a, n);
sort_array(a, n);
printf("排序后:\n");
print_array(a, n);
printf("\n");
system("pause");
return 0;
}