C#

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using System;<br />
using System.Collections.Generic;<br />
using System.Text;<br />
<br />
namespace ConsoleApplication1<br />
{<br />
    class Program<br />
    {<br />
        static void Main(string[] args) {<br />
<br />
            string[] zipCodes = new string[10]{"33701","33702","33703","33704","33705",<br />
                "33706","33707","33708","33709","33710"};<br />
<br />
            Console.Write("Please enter a zip-code : ");<br />
            string zipSearch = Console.ReadLine();<br />
            bool found = false;<br />
<br />
            foreach (string zip in zipCodes) {<br />
                if (zip == zipSearch) {<br />
                    found = true;<br />
                    break;<br />
                }<br />
            }<br />
            Console.WriteLine();<br />
<br />
            if (found) {<br />
                Console.WriteLine("The zip-code, {0}, is delivered to", zipSearch);<br />
            } else {<br />
                Console.WriteLine("The zip-code, {0}, is not delivered to", zipSearch);<br />
                Console.WriteLine();<br />
                Console.WriteLine("The full list is :");<br />
                Console.WriteLine();<br />
            }<br />
<br />
            Array.Reverse(zipCodes);<br />
            for (int i = 0; i < zipCodes.Length; i++) {<br />
                Console.WriteLine(zipCodes[i]);<br />
            }<br />
            Console.WriteLine("Press a key to Continue.");<br />
            Console.ReadLine();<br />
        }<br />
    }<br />
}<br />

string[] text = richTextBox.Lines;

int height = 0;
foreach(string line in text) {
   int width = line.Length*6;
   height += 300/width; //Conveniently, int will always round up
}

this.richTextBox.Height = height*8; //or height*8 +10; to leave some space, whatever