exception_server.cpp

#include <iostream>
#include <exception>
#include <string>
#include <vector>
#include <cmath>

using namespace std;

class Server
{
public:
    static int load;

    static int compute(long long A, long long B)
    {
        load += 1;

        if (A < 0)
        {
            throw std::invalid_argument("A is negative");
        }

        vector<int> v(A, 0);
        int real = -1, cmplx = sqrt(-1);

        if (B == 0)
        {
            throw 0;
        }

        real = (A / B) * real;

        int ans = v.at(B);

        return real + A - B * ans;
    }

    static int getLoad()
    {
        return load;
    }
};

int Server::load = 0;

int main()
{
    int T;
    cin >> T;

    while (T--)
    {
        long long A, B;
        cin >> A >> B;

        try
        {
            int result = Server::compute(A, B);
            cout << result << endl;
        }
        catch (const std::bad_alloc &e)
        {
            cout << "Not enough memory" << endl;
        }
        catch (const std::exception &e)
        {
            std::cout << "Exception: " << e.what() << '\n';
        }
        catch (...)
        {
            cout << "Other Exception" << endl;
        }
    }

    cout << Server::getLoad() << endl;
    return 0;
}