#include <iostream>
#include <string>
#include <vector>
using namespace std;
//a constant reference to a vector of strings
void display(const vector<string>& v);
int main()
{
vector<string> v;
v.push_back("A");
v.push_back("B");
v.push_back("C");
display(v);
return 0;
}
void display(const vector<string>& vec)
{
for (vector<string>::const_iterator iter = vec.begin();
iter != vec.end(); ++iter)
cout << *iter << endl;
}
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