a.txt

将给定字符构造赫夫曼树然后进行编码并输出

                Message
The  pound Bank-Note Mark Twain 
A Bad Business Anton Chekhov 
A Baffled Ambuscade Ambrose Bierce 
A Bivouac of the Dead Ambrose Bierce 
A Blackjack Bargainer O. Henry 
A Blunder Anton Chekhov 
About Love Anton Chekhov 
A Bread and Butter Miss Hector H. Munro 
A Broken Looking-Glass Henry Harland 
A Burlesque biography Mark Twain 
A Chameleon Anton Chekhov