#include <iostream>
#include <vector>
#include <string>

struct Data {
    int iValue;
    float fValue;
    std::string sValue;
};

struct Parameter {
    std::vector<Data> data;
};

void func1(const Parameter& p) {
    for (int i = 0; i < p.data.size(); ++i)
        std::cout << "func1 param " << i << ": " << p.data[i].iValue << ", "
        << p.data[i].fValue << ", " << p.data[i].sValue << std::endl;
}

void func2(const Parameter& p) {
    for (int i = 0; i < p.data.size(); ++i)
        std::cout << "func2 param " << i << ": " << p.data[i].iValue << ", "
        << p.data[i].fValue << ", " << p.data[i].sValue << std::endl;
}

void func3(const Parameter& p) {
    for (int i = 0; i < p.data.size(); ++i)
        std::cout << "func3 param " << i << ": " << p.data[i].iValue << ", "
        << p.data[i].fValue << ", " << p.data[i].sValue << std::endl;
}

void func4(const Parameter& p) {
    for (int i = 0; i < p.data.size(); ++i)
        std::cout << "func4 param " << i << ": " << p.data[i].iValue << ", "
        << p.data[i].fValue << ", " << p.data[i].sValue << std::endl;
}

int main(int argc, char** argv)
{
    void(*pFunctions[4])(const Parameter& p) = { func1, func2, func3, func4 };
    Parameter p;
    p.data.push_back({ 5, 0, "" });
    p.data.push_back({ 0, 3.14, "" });
    p.data.push_back({ 0, 0, "Merkkijono" });
    (*pFunctions[0])(p);
    (*pFunctions[1])(p);
    p.data[1] = { 0, 3.14 * 3, "" };
    p.data.push_back({ 666, 6.66, "666" });
    (*pFunctions[2])(p);

    return EXIT_SUCCESS;
}