[Init] Solved solutions

cs/224B.cs

@@ -0,0 +1,49 @@
+using System;
+
+namespace problem_224B
+{
+	class problem_224B
+	{
+		public static void Main(string[] args)
+		{
+			int[] ip = Array.ConvertAll(Console.ReadLine().Split(), int.Parse);
+			int[] a = Array.ConvertAll(Console.ReadLine().Split(), int.Parse);
+			int count = 0;
+			int[] c = new int[100000];
+			for (int i = 0; i < ip[0]; i++)
+			{
+				if (c[a[i] - 1]++ == 0)
+				{
+					count++;
+				}
+			}
+			if (count < ip[1])
+			{
+				Console.Write("-1 -1");
+			}
+			else
+			{
+				int i;
+				for (i = ip[0] - 1; count >= ip[1]; i--)
+				{
+					if (--c[a[i] - 1] == 0)
+					{
+						count--;
+					}
+				}
+				int r = ++i;
+				c[a[i] - 1]++;
+				count++;
+				for (i = 0; count == ip[1]; i++)
+				{
+					c[a[i] - 1]--;
+					if (c[a[i] - 1] == 0) count--;
+				}
+				int l = --i;
+				c[a[i] - 1]++;
+				count++;
+				Console.Write("{0} {1}", l + 1, r + 1);
+			}
+		}
+	}
+}