/**
 * @(#)CIS227_Assignment_03.java
 *
 * CIS227_Assignment_03 application
 *
 * @author Darin Beaudreau
 * @version 1.00 2011/2/12
 */

package polynomialtest;

import java.util.Scanner;

public class CIS227_Assignment_03 {

    /**
     * @param args the command line arguments
     */

    public static void storeTerm (int coeff, String var, int exp, String poly[][], int where) {
        poly[where][0] = Integer.toString(coeff);
        poly[where][1] = var;
        poly[where][2] = Integer.toString(exp);
    }

     public static void printTerm (String [] term) {
//assumes three factors at most< like 3x^2, or 12x or 24

        System.out.print(term[0]);

        if (!term[0].equals("0")) {//if coeff is not zero  print the rest

            if ( !term[2].equals("0"))  { //exponent not zero

                System.out.print(term[1]);

                System.out.print( !term[2].equals("1") ? "^" + term[2]: "");

                }
        }
     }

  public static void printPolynomial(String terms[][], int numberTerms){
        for(int i = 0;i < numberTerms;i++)
        {
            printTerm(terms[i]);
            if(i != (numberTerms - 1))
                System.out.print(" + ");
        }
  }
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        int numberTerms = 0;


         System.out.print("How many terms? ");

         numberTerms = sc.nextInt();
         int y = numberTerms;

         String x[][] = new String[numberTerms][3];

        if (numberTerms > 0) {

            System.out.println("Enter your term:");

            String coeff = "", variable="", exponent="";

            int place = 0;

            while (numberTerms--  > 0) {
               System.out.print("Enter the coeffcient for this: ");
               coeff = sc.next();
               System.out.print("Enter the variable name: ");
               variable = sc.next();
               System.out.print("Enter the expoenent for this term: ");
               exponent = sc.next();

               storeTerm(Integer.parseInt(coeff), variable, Integer.parseInt(exponent), x, place);
               place++;
            }


           printPolynomial(x, y);

        }//endf if




    } //emd main

} //end class