[Init] Solved solutions

cs/430B.cs

@@ -0,0 +1,50 @@
+using System;
+
+namespace problem_430A
+{
+	class Program
+	{
+		static void Main(string[] args)
+		{
+			int[] ip = Array.ConvertAll(Console.ReadLine().Split(), int.Parse);
+			int[] a = Array.ConvertAll(Console.ReadLine().Split(), int.Parse);
+			int max = 0;
+			for (int i = 1; i < ip[0]; i++)
+			{
+				if (a[i] != ip[2] || a[i - 1] != ip[2])
+				{
+					continue;
+				}
+				int l = i - 2, r = i + 1, cur = 2;
+				while (l >= 0 && r < ip[0])
+				{
+					int tmp = a[r];
+					int t = 0;
+					while (l >= 0 && a[l] == tmp)
+					{
+						l--;
+						t++;
+					}
+					while (r < ip[0] && a[r] == tmp)
+					{
+						r++;
+						t++;
+					}
+					if (t < 3)
+					{
+						break;
+					}
+					else
+					{
+						cur += t;
+					}
+				}
+				if (cur > max)
+				{
+					max = cur;
+				}
+			}
+			Console.Write(max);
+		}
+	}
+}