STL - 常用关联容器代码 - set & multiset

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STL - 常用关联容器代码 - set & multiset

master_haku 2015-08-17 17:32:00 浏览615
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代码如下:

/*
        5. set & multiset
    */

    set<string> cities{
        "Braunschweig", "Hanover", "Frankfurt", "New York",
        "Chicago", "Toronto", "Paris", "Frankfurt"
    };
    multiset<string> dup_cities {
        "Braunschweig", "Hanover", "Frankfurt", "New York",
        "Chicago", "Toronto", "Paris", "Frankfurt"
    };
    cout << "cities before:" << endl;
    ContainerUtil<set<string>>::printElements(cities);
    ContainerUtil<multiset<string>>::printElements(dup_cities);

    cities.insert({ "London", "Munich", "Hanover", "Braunschweig" });
    dup_cities.insert({ "London", "Munich", "Hanover", "Braunschweig" });
    cout << "cities after:" << endl;
    ContainerUtil<set<string>>::printElements(cities);
    ContainerUtil<multiset<string>>::printElements(dup_cities);

运行结果:
cities before:
  Braunschweig  Chicago  Frankfurt  Hanover  New York  Paris  Toronto
  Braunschweig  Chicago  Frankfurt  Frankfurt  Hanover  New York  Paris  Toronto
cities after:
  Braunschweig  Chicago  Frankfurt  Hanover  London  Munich  New York  Paris  Toronto
  Braunschweig  Braunschweig  Chicago  Frankfurt  Frankfurt  Hanover  Hanover  London  Munich  New York  Paris  Toronto

 

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