initialize_vectors.cpp

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

void pr(vector<double> &v) {
    cout << "-----------------------" << endl;
    for (int i=0; i < v.size(); i++) {
        cout << v[i] << ", ";
    }
    cout << endl;
}

int main() {
    vector<double> v1{2.,3.,4.7};
    vector<double> v2 = {2.,3.,4.};
    vector<double> v3({2.,3.,4.});

    pr(v1);
    pr(v2);
    pr(v3);
}