static void Main(string[] args)
{
int i = 20;
while (i % 2 != 0 || i % 3 != 0 || i % 4 != 0 || i % 5 != 0 ||
i % 6 != 0 || i % 7 != 0 || i % 8 != 0 || i % 9 != 0 ||
i % 10 != 0 || i % 11 != 0 || i % 12 != 0 || i % 13 != 0 ||
i % 14 != 0 || i % 15 != 0 || i % 16 != 0 || i % 17 != 0 ||
i % 18 != 0 || i % 19 != 0 || i % 20 != 0)
{
i += 20;
}
Console.WriteLine("The smallest number evenly divisible by 1 through 20 is: " + i);
Console.WriteLine($"The solution to Q13 is {SolveQ13Euler.SolveQ13()}\n\n");
Console.WriteLine($"Problem 1: {Problem1.solve()}");
}
public void Answer()
{
var sumOfAllMultiples = new Problem1().FindSumOfMultiplesOfThreeOrFive();
sumOfAllMultiples.ShouldBe(233168);
}
private static void Main(string[] args)
{
Console.WriteLine("Hello User!");
bool finished = false;
while (!finished)
{
bool success = false;
int id = 0;
string input = string.Empty;
while (!success)
{
Console.WriteLine("Which Project Euler problem would you like to see? Enter the number only, or q to quit");
input = Console.ReadLine();
if (input == "q")
{
Environment.Exit(0);
}
try
{
id = int.Parse(input);
success = true;
}
catch
{
Console.WriteLine("Apologies. I don't think that was an integer. Please try again:");
}
}
IProblem problem = new Problem1();
try
{
problem = (IProblem)CreateSpecificInstance("Problem" + id.ToString());
}
catch
{
Console.WriteLine("Apologies. I don't seem to have problem {0} in my library. I will exit this program in shame", id);
Environment.Exit(1);
}
problem.Pose();
Console.WriteLine("Press y to see solution, q to quit, or any other key to see another problem");
input = Console.ReadLine();
if (input == "q")
{
Environment.Exit(1);
}
string result;
if (input == "y")
{
Console.WriteLine("Solving...");
result = problem.Solve();
Console.WriteLine("Answer: " + result);
}
}
}
