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 editor enters a page of text, and the program can count the number of words, numbers and spaces. A static storage article, each no more than 80 characters, a total of N requirements; (1) respectively, the statistics of the number of letters and spaces English number and the total number of words; (2) the number of a string statistics in the article, and outputs the number of times; (3) delete a the substring, and behind the characters forward. The storage structure uses a linear table, and uses several sub functions to achieve the corresponding functions. The form and scope of input data can be input into uppercase, lowercase letter, any number and punctuation mark.)