#include <iostream>
#include <cmath>

using namespace std;

void read(float v[], int &, int);

int main()
{

    int db;
    
    const int m_val=30;
    float data[m_val];

    read(data, db, m_val);

    // the values in the array:

    for(int i=0; i<db-1; ++i)
    cout<<data[i]<<", ";            /*  only one row belongs to the for cycle, the next one doesn't...*/
    cout<<data[db-1]<<";"<<endl;


   

    return 0;
}


void read(float h[], int & db, int m_val)
{
     
   
    do
    {
        cout<<" How many data:  ";
        cin>>db;

         if(db<1 || db>m_val)
        cout<<" Not good! "<<endl;
    }while(db<1 || db>m_val);


   cout<<"please, give the values: ";    

    for(int i=0; i<db; ++i)
    {
       
        cin>>h[i];
        cout<<" ";
    }
}