数组反转
void Reverse_array(double * arr, int length)
{
int temp;
for (int i = 0; i < length/2; i++)
{
temp = arr[i];
arr[i] = arr[length-i-1];
arr[length - i - 1] = temp;
}
for (int i = 0; i < length; i++)
cout << "The reverse array is: " << arr[i] << endl;
}



