练习2-5:修改Fillvector.cpp使他能从后向前打印各行

    技术2022-05-19  32

    #include <string>#include <iostream>#include <fstream>#include <vector>using namespace std;

     

    void main(){    vector<string> v;    ifstream in("main.cpp");    string line;    while (getline(in, line))        v.push_back(line);

        for (int i = v.size() -1; i >= 0; i--)        cout << i << ": " << v[i] << endl;}


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