optimise files

CS/15_4/Program.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections;
+
+namespace _15_4
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            int countA = 0, countE = 0, countI = 0, countO = 0, countU = 0, countALL = 0;
+            string str = Console.ReadLine();
+            str = str.ToUpper();
+            char[] chars = str.ToCharArray();
+            foreach (char c in chars)
+            {
+                countALL++;
+                switch (c)
+                {
+                    case 'A': countA++; break;
+                    case 'E': countE++; break;
+                    case 'I': countI++; break;
+                    case 'O': countO++; break;
+                    case 'U': countU++; break;
+                    default: break;
+                }
+            }
+            Console.WriteLine(countALL);
+            Console.WriteLine(str);
+            Console.WriteLine("A:{0}", countA);
+            Console.WriteLine("E:{0}", countE);
+            Console.WriteLine("I:{0}", countI);
+            Console.WriteLine("O:{0}", countO);
+            Console.WriteLine("U:{0}", countU);
+        }
+    }
+}