static void Main(string[] args)
{
List<AmicablePair> pairs = new List<AmicablePair>();
var a = new AmicableCalculator();
for (int i = 1; i < 10000; i++)
{
var sumOfDivisors = a.GetDivisorsSum(i);
if (a.IsAmicable(i, sumOfDivisors))
{
pairs.Add(new AmicablePair() { FirstNumber = i, SecondNumber = sumOfDivisors });
}
}
pairs = pairs.Where(elm => elm.FirstNumber != elm.SecondNumber).ToList();
var sum = 0;
foreach (var pair in pairs)
{
sum += pair.FirstNumber;
sum += pair.SecondNumber;
}
Console.WriteLine(sum / 2);
Console.ReadLine();
}
public void IsNotAmicable()
{
AmicableCalculator a = new AmicableCalculator();
var result = a.IsAmicable(221, 284);
Assert.IsFalse(result);
}
public void IsAmicable()
{
AmicableCalculator a = new AmicableCalculator();
var result = a.IsAmicable(220, 284);
Assert.IsTrue(result);
}
public void GetDivisorsSum()
{
AmicableCalculator a = new AmicableCalculator();
var result = a.GetDivisorsSum(220);
Assert.AreEqual(284, result);
}
public void GetDivisors()
{
AmicableCalculator a = new AmicableCalculator();
var result = a.GetDivisiorsOfNumber(220);
Assert.AreEqual(11, result.Count);
}