static void Main(string[] args)
{
Graph g = new Graph();
Console.WriteLine("===================================\n Manual Input, press key 0\n Input using File press key 1 \n\n If you press another keys, \n program is terminated .\n===================================");
switch (Console.ReadKey().KeyChar)
{
case '0':
MInput(g);
break;
case '1':
if (FInput(g) == false)
{
Console.ReadLine(); return;
}
break;
default:
return;
}
string input;
do
{
Console.WriteLine("\n Please enter two cities where you want to find \n example) Seoul Busan \n===================================\n");
input = Console.ReadLine();
if (input != "0")
{
try
{
string[] tmp = input.Split(' ');
int? t = g.Exec(tmp[0], tmp[1]);
if (t == null)
{
Console.WriteLine("This input is invalid.");
}
else
{
Console.WriteLine("The time required " + (int)t + " hour(s).");
}
}catch
{
Console.WriteLine(" This input is invalid.\n");
}
}
} while (input != "0");
Console.ReadLine();
}
