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-rw-r--r--csci1913/Java/project3/project3_strap012.java57
1 files changed, 50 insertions, 7 deletions
diff --git a/csci1913/Java/project3/project3_strap012.java b/csci1913/Java/project3/project3_strap012.java
index c8a4719..afd0aa7 100644
--- a/csci1913/Java/project3/project3_strap012.java
+++ b/csci1913/Java/project3/project3_strap012.java
@@ -1,14 +1,13 @@
package project3;
-
class AnagramTree {
private TreeNode head;
private class TreeNode {
private byte[] summary;
private WordNode words;
private TreeNode left, right;
- private TreeNode(String word) {
- summary = stringToSummary(word);
- // words = new WordNode(word);
+ private TreeNode(String word, byte[] summary) {
+ words = new WordNode(word);
+ this.summary = summary;
left = null; right = null;
}
}
@@ -23,15 +22,49 @@ class AnagramTree {
}
public AnagramTree() {
- head = new TreeNode("e");
+ head = new TreeNode("e", stringToSummary("e"));
}
public void add (String word) {
+ byte [] newSumm = new byte [26];
+ newSumm = stringToSummary(word);
+ TreeNode top = head, bottomR = head.right, bottomL = head.left;
+ // boolean goLeft = false;
+ try { while (true) {
+ int comp = compareSummaries(top.summary, newSumm);
+ if (comp < 0) { // left is less than right, go left
+ top = bottomL;
+ // goLeft = true;
+ bottomL = bottomL.left;
+ } else if (comp > 0) { // right is less, go right
+ top = bottomR;
+ // goLeft = false;
+ bottomR = bottomR.right;
+ } else {
+ top.words.next = new WordNode(word);
+ }
+ }} catch (NullPointerException ignore) {
+ top = new TreeNode(word, newSumm);
+ }
+ }
+ public void anagrams() {
+ findAnagrams(head.left);
+ findAnagrams(head.right); //e should be lower than other words as it is e
}
- public void anagrams() {
+ private void findAnagrams(TreeNode subtree) {
+ try { while (true) {
+ findAnagrams(subtree.right);
+ findAnagrams(subtree.left);
+
+ } } catch (NullPointerException ignore) { /* Do nothing */}
+ }
+
+ public String toString() {
+ StringBuilder builder = new StringBuilder();
+ return builder.toString();
}
private int compareSummaries(byte[] left, byte[] right) {
@@ -46,8 +79,18 @@ class AnagramTree {
private byte[] stringToSummary(String word) {
byte[] temp = new byte[26];
for (byte i = 0; i < word.length(); i++) {
- temp[i] = (byte) (word.charAt(i) - ('a' + i));
+ temp[word.charAt(i) - 'a'] += 1;
}
return temp;
}
+}
+
+class Anagrammer {
+ public static void main(String[] args) {
+ Words words = new Words(args[0]);
+ AnagramTree anagrams = new AnagramTree();
+ while (words.hasNext()) {
+ anagrams.add(words.next());
+ }
+ }
} \ No newline at end of file