//Standard Deviation Project
//Olivia Pagach pd2A
//Start 10-3-17
//End

#include<iostream>
#include<iomanip>
#include<math.h>

using namespace std;

double mean (double a, double b, double c, double d, double e){

    double m1 = double (a+b+c+d+e)/5.0;
    return m1;
}

double findSD (double a, double b, double c, double d, double e, double m1){

    double p1 = (a-m1)*(a-m1);
    double p2 = (b-m1)*(b-m1);
    double p3 = (c-m1)*(c-m1);
    double p4 = (d-m1)*(d-m1);
    double p5 = (e-m1)*(e-m1);

    double sd = sqrt ((p1+p2+p3+p4+p5)/5.0);
    return sd;
}

int findR (double sd, int range){

    if (sd<10)
        range=1;

    if (10<=sd<20)
        range=2;

    if (sd>=20)
        range=3;


    return range;
}


void input(double & a, double & b, double & c, double & d, double & e){

    cout<<"Welcome to Olivia's Standard Deviation Calculator!"<<endl;
    cout<<"Please enter 5 values:"<<endl;
    cin>>a;
    cin>>b;
    cin>>c;
    cin>>d;
    cin>>e;
    cout<<"Calculating..."<<endl;
    return;
}

void output(double m1, double sd, int range){

    cout<<"The mean is "<<m1<<endl;
    cout<<"The standard deviation is "<<sd<<endl;

cout<<setprecision(3);
cout.setf(ios::showpoint | ios::fixed);

    if (range == 1);
        cout<<"range:low"<<endl;

    if (range == 2);
        cout<<"range:medium"<<endl;

    if (range == 3);
        cout<<"range:high"<<endl;

}


int main (){

    double a;
    double b;
    double c;
    double d;
    double e;
    double p1;
    double p2;
    double p3;
    double p4;
    double p5;
    double sd;
    double m1;
    int range;

    mean (a,b,c,d,e);
    findSD (a,b,c,d,e,m1);
    findR (sd,range);
    input(a,b,c,d,e);
    output(m1,sd,range);
}