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  • back_insert_iterator和insert_iterator

    #include <iostream>
    #include <string>
    #include <iterator>
    #include <vector>
    #include <algorithm>
    
    void output(const std::string & s){std::cout << s << " ";}
    
    int main()
    {
        using namespace std;
        string s1[4]={"fine", "fish", "fashion", "fate"};
        string s2[2]={"busy", "bats"};
        string s3[2]={"silly", "singers"};
        vector<string> words(4);
        copy(s1,s1+4,words.begin());
        for_each(words.begin(),words.end(),output);
        cout << endl;
        copy(s2,s2+2,back_insert_iterator<vector<string> >(words));
        for_each(words.begin(),words.end(),output);
        cout << endl;
    
        copy(s3,s3+2,insert_iterator<vector<string> >(words,words.begin()));
        for_each(words.begin(),words.end(),output);
        cout << endl;
        return 0;
    }

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  • 原文地址:https://www.cnblogs.com/lakeone/p/3915584.html
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