C#,C＃の宿題片付けます。

[192 デフォルトの名無しさん 2008/09/12(金) 14:44:37]

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;

namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
Dictionary<string,int> hash = new Dictionary<string,int>();
string line;
FileStream fs = new FileStream("7715.txt", FileMode.Open);
StreamReader sr = new StreamReader(fs);
while ((line = sr.ReadLine()) != null)
{
string[] words = line.Split(' ', ',', '"', '.');