public void MinDeletionSize_3()
        {
            var solution = new _0944_DeleteColumnsToMakeSorted();
            var result   = solution.MinDeletionSize(new string[] { "zyx", "wvu", "tsr" });

            Assert.AreEqual(3, result);
        }
        public void MinDeletionSize_1()
        {
            var solution = new _0944_DeleteColumnsToMakeSorted();
            var result   = solution.MinDeletionSize(new string[] { "cba", "daf", "ghi" });

            Assert.AreEqual(1, result);
        }
        public void MinDeletionSize_2()
        {
            var solution = new _0944_DeleteColumnsToMakeSorted();
            var result   = solution.MinDeletionSize(new string[] { "a", "b" });

            Assert.AreEqual(0, result);
        }