[Init] Solved solutions

cs/673A.cs

@@ -0,0 +1,27 @@
+using System;
+
+namespace problem_673A
+{
+	class problem_673A
+	{
+		public static void Main(string[] args)
+		{
+			int n = int.Parse(Console.ReadLine());
+			int[] a = Array.ConvertAll(Console.ReadLine().Split(), int.Parse);
+			int l = 15;
+			for (int i = 0; i < n; i++)
+			{
+				if (a[i] <= l)
+				{
+					l = a[i] + 15;
+				}
+				else
+				{
+					break;
+				}
+			}
+			l = Math.Min(l, 90);
+			Console.Write(l);
+		}
+	}
+}