Preface + Catalog ：

  Just two questions this time , The topic is not much , It's the essence . Bubble sort and Running for President It represents two kinds of questions , Learn to abolish them , I'm not afraid to see you again ！ Learn a little every day , There are so many things , Learn a little less . come on. , Struggling everyone ！

 

Catalog

🧶 Preface + Catalog ：

 🧶 Learn the moves before doing the problem ：

Bubble sort ：

Running for President ：

🧶 Last question, last question ：

🧶 Conclusion ：

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  Learn the moves before doing the problem ：

      

Bubble sort ：

Explain

thought ： Compare two adjacent elements , If the conditions are met , swapping

When to use bubble sorting ？ There's an unordered array , Put it in order

How to use it? ：

Ascending ：

  Descending ：

  Particular attention ：

1. If there is n Bubble sort elements , Then... Will be carried out in total n-1 Trip to sort

2. A sequence needs to be n-1-i Comparison of secondary elements （ i Is the subscript of an element in an array ）

 

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Running for President ：

Explain

There are strings AAABBB, Find out A The number of ,B The number of , That's the kind of question

1.gets（） Function ： 

You need to create an array

When reading a string , Read the whole line

open msdn,

  Use gets（） function , We need to create an array ;

 2.getchar（） To write ：

You can't use an array

When reading a string , Read character by character

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Last question, last question ：

Compete for the top five

subject ：

  Practice one ：

Practice two ：

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Running for President ：

subject ：

Practice one ：

  Practice two ：

Practice three ：

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Conclusion ：

If it helps you , Don't forget it give the thumbs-up + Focus on Oh , Crab

If it helps you , Don't forget it give the thumbs-up + Focus on Oh , Crab

If it helps you , Don't forget it give the thumbs-up + Focus on Oh , Crab