public void SolutionExampleATest()
        {
            int[] arr = new int[] { 2, 5, 3, 1 };
            var   res = LilysHomework.lilysHomework(arr);

            Assert.AreEqual(2, res);
        }
        public void HackerRankTest11()
        {
            int[] arr    = GetInputArray(_sTestDataRootDir + "testcase11_input.txt");
            int   result = LilysHomework.lilysHomework(arr);;

            Assert.AreEqual(result, 2);
        }
        public void ProblemExplanationTest()
        {
            int[] arr = new int[] { 7, 15, 12, 3 };
            var   res = LilysHomework.lilysHomework(arr);

            Assert.AreEqual(2, res);
        }