public static void Test() { Solution s = new Solution(); //Console.WriteLine(s.NumPoints()); //[[1,3,5],[6,7,12],[11,14,14]] //4 Console.WriteLine(s.KthSmallest(new int[][] { new [] { 1, 3, 5 }, new [] { 6, 7, 12 }, new [] { 11, 14, 14 }, }, 4 //2 )); Console.WriteLine(s.KthSmallest(new int[][] { new [] { -5 }, }, //8 1 )); Console.WriteLine(s.KthSmallest(new int[][] { new [] { 1, 5, 9 }, new [] { 10, 11, 13 }, new [] { 12, 13, 15 }, }, 8 //2 )); }