#include
#include
using namespace std;
struct Length
{
bool operator()(string const& a, string const& b)
{
return a.length() < b.length();
}
};
int int_max()
{
return max({3, 2, 1});
}
string str_max1()
{
return max({"Lee1", "leee2", "lee3"}, Length());
}
string str_max2()
{
return max({"Lee1", "leee2", "lee3"},
[](string const& s1, string const& s2) {
return s1.size() < s2.size();
}
);
}
int main(int argc, const char *argv[])
{
cout << str_max1() << endl;
cout << str_max2() << endl;
return 0;
}