#include <cstdlib>
#include <iostream>
#include<cmath>
#include <fstream>


using namespace std;

int main(int argc, char *argv[])
{
ofstream myfile;
myfile.open("newfile1.txt");
double h0,g,dt,v0,v,t,x,yes,no;
int i,n;
bool fim;
cout<< " programa para simular queda livre no vacuo [s.i.]\n";
cout<<"insira o valor do numero de passos\n";
cin>>n;
cout<<"insira altura inicial\n";
cin>>h0;
cout<<"insira o modulo da gravidade local\n";
cin>>g;

t = 0.0;
v0 = 0.0;
dt = sqrt(2.0*h0/g)/double(n);
myfile<<g<<"\n";
myfile<<h0<<"\n\n";

for ( i= 0; i<=n; i++){
    v=v0+g*t;
    x = h0 + v0*t-0.5*g*t*t;
    cout<<t<<endl;
    cout<<x<<endl;
    myfile<<t<<"\t"; 
    myfile<<x<<"\t";
    myfile<<v<<endl;
    t=t+dt;
}
myfile.close();


    system("PAUSE");
    return EXIT_SUCCESS;
}