#include <iostream>
#include <vector>
using namespace std;
int main() {
std::vector<char> v{'b', 'c', 'd'};
cout << "before - " << v.size() << ":";
for(auto c : v) {
cout << " " << c;
}
cout << endl;
v.insert(v.end(), {'a', 'k', 'e', 'e', 'f'});
cout << "after - " << v.size() << ":";
for(auto c : v) {
cout << " " << c;
}
cout << endl;
return 0;
}
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