文章编辑问题

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

4.存储结构使用线性表，分别用几个子函数实现相应的功能

-Article Edit Question 1. Are the statistics of the number of letters and spaces in which the number and total number of words the whole article　2. Statistics of a string the number of occurrences in the article, and outputs the number 3. Remove a substring, and the following character forward 4. storage structure using a linear form, were used to achieve the corresponding functions of several sub-functions