백준 11021 c++

#include <iostream>
using namespace std;

int main(void)
{
	int num, i, a, b;
	cin >> num;

	int* arr = new int[num];

	for (i = 0; i < num; i++)
	{
		cin >> a >> b;
		if ((a > 0 && a< 10)&&(b > 0 && b < 10))
		{
			arr[i] = a + b;
		}
		else
		{
			arr[i] = 0;
		}
	}
	for (i = 0; i < num; i++)
	{
		cout << "Case #" << i + 1 << ": " << arr[i] << endl;
	}

	return 0;
}