Miko/baritone
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fixed SubArrayMin to check children

Browse Source 
This fixes SubArrayMin to check the appropriate children of the endpoint nodes, in addition to the children of their ancestors.
This commit is contained in:
Bill Jacobs
2016-06-17 21:50:16 -07:00
parent 8c98d5cc42
commit 91b5ae633a
4 changed files with 19 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/com/github/btrekkie/red_black_node/RedBlackNode.java
View File

@@ -360,7 +360,7 @@ public abstract class RedBlackNode<N extends RedBlackNode<N>> implements Compara
* @param allowDuplicates Whether to insert newNode if there is an equal node in the tree. To check whether we
* inserted newNode, check whether newNode.parent is null and the return value differs from newNode.
* @param comparator A comparator indicating where to put the node. If this is null, we use the nodes' natural
* order, as in N.compare.
* order, as in N.compareTo.
* @return The root of the resulting tree.
*/
public N insert(N newNode, boolean allowDuplicates, Comparator<? super N> comparator) {
@@ -829,10 +829,14 @@ public abstract class RedBlackNode<N extends RedBlackNode<N>> implements Compara
* inserting all of the nodes in "last".
*/
public N concatenate(N last) {
if (parent != null) {
throw new IllegalArgumentException("The node is not the root of a tree");
}
if (last.parent != null) {
throw new IllegalArgumentException("The node is not the root of a tree");
}
if (isLeaf()) {
return last;
} else if (parent != null) {
throw new IllegalArgumentException("This is not the root of a tree");
} else if (last.isLeaf()) {
@SuppressWarnings("unchecked")
N nThis = (N)this;
@@ -1112,6 +1116,7 @@ public abstract class RedBlackNode<N extends RedBlackNode<N>> implements Compara
* The base class's implementation takes O(log N) time. If a RedBlackNode subclass stores a value used to order the
* nodes, then it could override compareTo to compare the nodes' values, which would take O(1) time.
*/
@Override
public int compareTo(N other) {
if (isLeaf() || other.isLeaf()) {
throw new IllegalArgumentException("One of the nodes is a leaf node");
@@ -1325,7 +1330,7 @@ public abstract class RedBlackNode<N extends RedBlackNode<N>> implements Compara
* useful for debugging. RedBlackNode subclasses may want to override assertSubtreeIsValid() to call
* assertOrderIsValid.
* @param comparator A comparator indicating how the nodes should be ordered. If this is null, we use the nodes'
* natural order, as in N.compare.
* natural order, as in N.compareTo.
*/
public void assertOrderIsValid(Comparator<? super N> comparator) {
if (comparator == null) {