#include <cstdlib>
#include <iostream>
#include <cmath>
#include <iomanip>

using namespace std;

//Declaring the functions
float enter_data(const string &);

double height_calc(const float &, const int &, const float &);

void display_header(const string &, const string &);

void display_results(const float &, const double &);

int main() {
    const float gravity_ms2 = 9.8;

    // Declaring variables
    const string desc_1 = "Time(seconds)";
    const string desc_2 = "Height(Meter)";

    // Calling the enter_data function to ask for the initial velocity
    const float in_vel = enter_data("Enter the Initial Velocity in Meters/Second: ");

    display_header(desc_1, desc_2);

    double current_height = 0;
    int seconds = 0;
    do {
        current_height = height_calc(in_vel, seconds, gravity_ms2);

        display_results(seconds, current_height);

        seconds += 1;
    } while (current_height >= 0);

    return 0;
}

float enter_data(const string &prompt)//Outputting the prompt and storring as in_vel
{
    float in_vel;

    cout << prompt << endl; //Asking for an the input value
    cin >> in_vel;//Setting input value as in_vel

    return in_vel;//returning to in_vel in int main

}

double height_calc(const float &in_vel, const int &seconds, const float &gravity_ms2) {
    return ((in_vel * seconds) - (.5 * gravity_ms2 * pow(seconds, 2)));
}

void display_header(const string &desc_1, const string &desc_2) {
    //Displaying the headers
    cout << setw(1) << desc_1 << setw(20) << desc_2 << endl;
}

void display_results(const float &seconds, const double &height) {
    //Displaying the values for both time and height every second
    cout << setw(1) << setprecision(4) << seconds << setw(20) << height << endl;
}