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  • 【C++语法】STL

    cppreference

    Container

    Built-in Types Abstract Data Types
    defined directly by C++ language defined by standard libraty
    repersents computer hardware facilities usually don't implemented by computer hardware
    e.g., int, array... e.g., vector, string...
    graph LR; A(Containers)-->B(第一类容器) B-->D(Sequential Containers) D-->vector D-->list/forward_list D-->deque B-->E(Associative Containers 红黑树-自排序) E-->set/multiset E-->map/multimap B-->G(Unordered Associative Containers 哈希表-读取快) G-->unordered_set G-->unordered_map A(Containers)-->C(第二类容器) C-->F(Adaptors) F-->stack F-->queue/priority_queue

    String

    std::string::npos	//-1
    /*初始化*/
    string s(10, 'c');	//s: "cccccccccc"
    /*遍历*/
    for(auto &c:s)   //&引用
    /*normal*/
    s.size(); s.empty();
    /*find*/
    s.find(substr, pos=0);		//return size_type
    /*子串*/
    s.substr(pos,count);		//return string
    /*string, char [], char**/
    ...
    /*string,int*/
    to_string((int)i);    //<string>
    /*Algorithms*/
    reverse(s.begin(),s.end());
    

    1. vector

    /*Algorithms*/
    vector<int>::iterator max = max_element(v.begin(),v.end());
    reverse(v.begin(),v.end());
    sort(v.begin(),v.end(),cmp()=NULL);
    stable_sort(v.begin(),v.end(),cmp()=NULL);
    
    from Chu
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  • 原文地址:https://www.cnblogs.com/chubuyu/p/15119655.html
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