#include <iostream>
using namespace std;

void printnumber(int x){
    cout << "I am printing an integer " <<x << endl;
}

void printnumber(float x){
    cout << "I am printing an float: " << x << endl;
}


int main(){

    int a = 54;
    float b= 32.4896;

    printnumber(a);
    printnumber(b);

}

#include <iostream>
using namespace std;
int a;
float b;

void printnumber(int x){
    cout << "I am printing an integer " <<x << endl;
}

void printnumber(float x){
    cout << "I am printing an float: " << x << endl;
}


int main(){

    cout << "enter a whole number or a number with decimal: ";
    cin >> ; //what will i put here?

    printnumber(a);
    printnumber(b);

}

int a;
std::cout << "Enter an integer value: ";
std::cin >> a;

float b;
std::cout << "Enter a floating point value: ";
std::cin >> b;

std::string user_input;

cout << "enter a whole number or a number with decimal: ";
cin >> user_input;

if(user_input.find('.') != std::string::npos){
  // we found a float (probably)
  // uses boost library to make stuff easier
  printNumber(boost::lexical_cast<float>(user_input));
}else{
  printNumber(boost::lexical_cast<int>(user_input));
}

std::stringstream ss;
ss << user_input;
if(user_input.find('.') != std::string::npos){
  // we found a float (probably)
  float f;
  ss >> f;
  printNumber(f);
}else{
  int i;
  ss >> i;
  printNumber(i);
}

int main() {
    std::string value;
    std::cin >> value;

    std::size_t end;
    int intval = std::stoi(value, &end);
    if (end == value.size())
        printnumber(intval);
    else
        printnumber(std::stof(value));
}

struct printer : boost::static_visitor<void> {
    template <typename T>
    void operator ()(T const& value) const { printnumber(value); }
};

int main() {
    std::string value;
    std::cin >> value;

    namespace qi = boost::spirit::qi;

    auto begin = std::begin(value);
    auto const end = std::end(value);
    boost::variant<int, float> result;
    bool success = qi::parse(begin, end, (qi::int_ >> !qi::lit('.')) | qi::float_, result);
    if (not success or begin != end)
        std::cerr << "Something went wrongn";
    else
        apply_visitor(printer{}, result);
}

int main(){

string a;
cout << "enter a whole number or a number with decimal: ";
cin >> a;

printnumber((int)a);
printnumber((float)a);

}