#include <iostream>
#include <vector>
using namespace std;
class A {
public:
    int b;
    A() { b = 1; }
};
int main() {
    vector<A*> arr;
    for (int i = 0; i < 10; ++i)
    {
        A* a = new A();
        a->b = i%9;
        arr.push_back(a);
    }
    for (const auto x : arr)
    {
        cout << x->b << endl;
    }

    auto it = std::max(arr.begin(), arr.end(), [](const vector<A*>::iterator x, const vector<A*>::iterator y) { return ((*x)->b) < ((*y)->b); });
    cout << (* it)->b << endl;

    return 0;
}