project

#include <iostream>
#include <stdbool.h>
#include <iomanip>
using namespace std;
double coeffOfRestitution[4] = {0.7,0.75,0.09,0.3} ;
bool validate(int ball_id)
{
    if (ball_id > 3 || ball_id < 0)
        return false ;
    return true ;
}
void compute(int ball_id , double initial_height )
{
    cout<<"Coefficient of restitution: "<<setprecision(2) << fixed<<coeffOfRestitution[ball_id]<<endl ;
    double current_height = initial_height ;
    int nb_bounce = 0 ;
    double distance = 0 ;
    while (current_height > 0.1)
    {
        nb_bounce++ ;
        distance+=current_height ;
        current_height *= coeffOfRestitution[ball_id] ;
        if (current_height >= 0.1)
            distance+=current_height ;
    }
    //distance-=current_height ;
    cout<<"Number of bounces: "<<nb_bounce<<endl;
    cout<<"Meters traveled for ball: "<<setprecision(2) << fixed<<distance<<endl ;


}
int main()
{
    int ball_id ;
    cout<<"Enter the type of ball (0 to 3) :" ;
    cin>>ball_id;
    bool verified = validate(ball_id) ;
    while (!verified)
    {
        cout<<"Please enter 0 to 3 .."<<endl ;
        cout<<"Enter the type of ball (0 to 3) :";
        cin>>ball_id;
        verified = validate(ball_id) ;
    }
    double initial_height ;
    cout<<"Enter initial height in meters:" ;
    cin>>initial_height ;
    while (initial_height < 0)
    {
        cout<<"Enter initial height in meters:" ;
        cin>>initial_height ;
    }
    compute(ball_id ,initial_height);
    return 0;
}