public void TestFindSumNotInSum()
{
int desiredSum = 20;
var input = new List <int>()
{
1, 2, 3, 4
};
List <int> numbers = ExpepenseReport.FindSum(input, desiredSum);
Assert.AreEqual(numbers.Count(), 0);
}
public void TestFindSumAnswer()
{
int desiredSum = 2020;
// Find the answer to day 1 challange 1
var input = ExpepenseReport.GetInputData();
List <int> numbers = ExpepenseReport.FindSum(input, desiredSum);
Assert.AreEqual(numbers.Sum(), desiredSum);
int answer = numbers.Aggregate((x, y) => x * y);
Console.Write(answer);
}
public static List <int> FindTrippleSum(List <int> numbers, int desiredSum)
{
var sum = new List <int>();
foreach (int num1 in numbers)
{
sum = ExpepenseReport.FindSum(numbers, desiredSum - num1);
if (num1 + sum.Sum() == desiredSum)
{
sum.Add(num1);
return(sum);
}
}
return(new List <int>());
}
public void TestFindSum()
{
int desiredSum = 5;
var input = new List <int>()
{
1, 2, 3, 4
};
List <int> numbers = ExpepenseReport.FindSum(input, desiredSum);
Assert.AreEqual(numbers.Count(), 2);
Assert.AreEqual(numbers.Sum(), desiredSum);
Assert.Contains(numbers[0], input);
Assert.Contains(numbers[1], input);
}