First, the chapter summarizes
This chapter learned to find different data structures based, and discusses the advantages and disadvantages of different methods and time complexity, here is what I make of the mind map
Second, practice
This chapter practiced landing with the subject application QQ account, the process of problem solving, learning the <bits / stdc ++. H> header file, which contains all the c ++ header files, played a significant role in solving problems. Also, learn to use the map function, the function can automatically create a corresponding Key -value, which is the corresponding account password on this question in.
map < String , String > mm; // password corresponding to the account deposit, account password set up one-by map function
Third, the summary
Find great role in our daily lives, learning to find good ideas and methods are very important. Learning of this chapter I met a lot of different storage structures, which are based on the analysis of the problem step by step from the previous program improvement comes after a study, I should ask themselves constantly have this idea of the optimization the best way to solve the problem to find. At the same time learn to solve problems in the process of constantly learning new things, to be growing.