public void TwoSumLessThanK_1()
        {
            var solution = new _1099_TwoSumLessThanK();
            var result   = solution.TwoSumLessThanK(new int[] { 34, 23, 1, 24, 75, 33, 54, 8 }, 60);

            Assert.AreEqual(58, result);
        }
        public void TwoSumLessThanK_2()
        {
            var solution = new _1099_TwoSumLessThanK();
            var result   = solution.TwoSumLessThanK(new int[] { 10, 20, 30 }, 15);

            Assert.AreEqual(-1, result);
        }