程式碼：

#include <iostream>
using namespace std;
int main()
{
	int i, max1, max2;
	int len;
	cin >> len;
	int* arr = (int*)malloc(len*sizeof(int));
	for (i = 0; i<len; i++)
	{
		cin >> arr[i];
	}

//	char arr[] = { 1, 2, 4 ,8, 9, 7, 4, 2, 7, 0, 1 };
//	int len = sizeof(arr);
//	cout << len << endl;

	if (arr[0] > arr[1])
	{
		max1 = arr[0];
		max2 = arr[1];
	}
	else
	{
		max1 = arr[1];
		max2 = arr[2];
	}

	for (i = 2; i < len; i++)
	{
		if (arr[i]>max1)
		{
			max2 = max1;
			max1 = arr[i];
		}
		else if (arr[i] > max2)
			max2 = arr[i];
	}
	cout << max1 << endl;
	cout << max2 << endl;

	cin.get();
	cin.get();
	return 0;
}