文章编辑

输入一页文字，程序可以统计出文字、数字、空格的个数。

静态存储一页文章，每行最多不超过80个字符，共N行；要求（1）分别统计出其中英文字母数和空格数及整篇文章总字数；（2）统计某一字符串在文章中出现的次数，并输出该次数；（3）删除某一子串，并将后面的字符前移。

存储结构使用线性表，分别用几个子函数实现相应的功能；

输入数据的形式和范围：可以输入大写、小写的英文字母、任何数字及标点符号。

-The importation of the article editor page text, the text can be statistics, numbers, the number of spaces. Static memory page articles, one per line up to more than 80 characters, a total of N lines　requirements (1) statistics, respectively, of which a few letters of the alphabet and the space number and the total number of words whole article　(2) statistics of a string in the the number of articles appeared, and the number of output　(3) the deletion of a substring, and the characters behind the forward. Storage structure using a linear form, respectively, corresponding with a few to achieve the functions of Functions　input data of the form and scope: You can enter uppercase, lowercase letters of the alphabet, any numbers and punctuation marks.