#include <iostream>
#include <vector>
#include<string>
using namespace std;
int main ()
{
vector<string > myints;
cout << "0. size: " << myints.size() << '\n';
for (int i=0; i<10; i++) myints.push_back("hello");
cout << "1. size: " << myints.size() << '\n';
myints.pop_back();
cout << "3. size: " << myints.size() << '\n';
return 0;
}
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