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  1. import java.io.*;
  2. import java.text.MessageFormat;
  3. import java.util.*;
  4.  
  5. class Node
  6. {
  7.   public int factor;
  8.   public int exponent;
  9.   public Node next;
  10.  
  11.   public Node()
  12.   {
  13.     factor=0;
  14.     exponent=0;
  15.     next=null;
  16.   }
  17.   public Node (int factor, int exponent, Node next)
  18.   {
  19.     this.factor=factor;
  20.     this.exponent=exponent;
  21.     this.next=next;
  22.   }
  23. }
  24.  
  25. class PolynomialAddition {
  26.         static File dataInpt;
  27.         static Scanner inFile;
  28.  
  29.         public static void main(String[] args) throws IOException {
  30.                 dataInpt = new File("/tmp/input.txt");
  31.                 inFile = new Scanner(dataInpt);
  32.  
  33.                 while (inFile.hasNextLine()) {
  34.                         Node first = readPolynomial();
  35.                         printList(first);
  36.  
  37.                         Node second = readPolynomial();
  38.                         printList(second);
  39.  
  40.                         Node merged = addPolynomials(first, second);
  41.  
  42.                         System.out.println("Really crude, next two lines\n\n");
  43.                 }
  44.         }
  45.  
  46.         private static Node addPolynomials(Node first, Node second) {
  47.                 return null;
  48.         }
  49.  
  50.         private static Node readPolynomial() {
  51.                 String line = inFile.nextLine();
  52.                 StringTokenizer myTokens = new StringTokenizer(line);
  53.  
  54.                 Node head = null, previous = null;
  55.                 while (myTokens.hasMoreTokens()) {
  56.                         Node current = new Node();
  57.                         String term = myTokens.nextToken();
  58.  
  59.                         current.factor = Integer.valueOf(
  60.                                         term.substring(0, term.indexOf("x")));
  61.                         current.exponent = Integer.valueOf(
  62.                                         term.substring(term.indexOf("^") + 1));
  63.  
  64.                         if (previous == null)
  65.                         {
  66.                                 head = current;
  67.                                 previous = head;
  68.                         } else
  69.                         {
  70.                         previous.next = current;
  71.                             previous = current;
  72.                         }
  73.                 }
  74.                 return head;
  75.         }
  76.  
  77.         public static void printList(Node head) {
  78.                 for (Node ptr = head; ptr != null; ptr = ptr.next)
  79.                         System.out.print(MessageFormat.format("{0}  {1}  ", ptr.factor,
  80.                                         ptr.exponent));
  81.                 System.out.println();
  82.         }
  83. }
  84.  
  85. public class Main {
  86.         public static void main(String[] args) throws IOException {
  87.             PolynomialAddition go = new PolynomialAddition();
  88.             go.main(args);
  89.         }
  90. }
Runtime error #stdin #stdout 0.1s 212864KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/2thyH
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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