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ecb1b1cbe7
Adding Map ADT interface and abstract class, and first pass inefficient implementation.
Charles Reid
2017-06-25 02:56:45 -0700
b0747e4ea5
adding readme for hash map classes.
Charles Reid
2017-06-25 02:56:16 -0700
b11e1b8585
Adding Map interface and abstract class - Map ADT
Charles Reid
2017-06-25 01:28:43 -0700
ee2c58dcad
it works. built in priority queue timing is consistent and sensible.
Charles Reid
2017-06-24 21:28:40 -0700
2a133e6c00
some whining. no more custom priority queue class.
Charles Reid
2017-06-24 18:32:09 -0700
98cd5b8184
adding example using priority queue with custom object comparator
Charles Reid
2017-06-24 18:24:32 -0700
7904e96e21
adding changes to all priority queues to make timing possible.
Charles Reid
2017-06-24 12:37:28 -0700
158186a5b9
no kle.
Charles Reid
2017-06-24 01:39:39 -0700
21ef39a0e1
add KLE ("keys less than or equal to") program draft.
Charles Reid
2017-06-24 00:26:05 -0700
69c8e3dab6
add recursive upheap/downheap, plus documentation clarification.
Charles Reid
2017-06-24 00:18:04 -0700
3d101e1181
adding test to heap priority queue class.
Charles Reid
2017-06-24 00:05:22 -0700
27155cf1d6
Adding the basic Heap Priority Queue class, no main method so no test but all the basic methods in place and compiling.
Charles Reid
2017-06-24 00:00:29 -0700
3292a2429c
updating use PQ as stack exercise
Charles Reid
2017-06-23 03:35:04 -0700
1a565e5970
Using the PriorityQueue concrete implementation to implement a Stack ADT
Charles Reid
2017-06-23 02:57:46 -0700
f40d9b2f1e
Adding iterator() to tests.
Charles Reid
2017-06-23 01:12:37 -0700
c7e5122c0c
remove exceptions from unsorted PQ. makefile rearrangement.
Charles Reid
2017-06-23 01:01:44 -0700
8f9cf15a87
move exceptions to the ADT.
Charles Reid
2017-06-23 01:01:04 -0700
7c5ddcd686
Make priority queue interface iterable.
Charles Reid
2017-06-23 01:00:26 -0700
54148e0be6
make Sorted PQ iterable.
Charles Reid
2017-06-23 01:00:02 -0700
be7c9e98aa
Overwriting problematic old priority queue objects.
Charles Reid
2017-06-22 22:01:19 -0700
320ce3795c
hold off on iterable for a bit.
Charles Reid
2017-06-22 21:45:38 -0700
8b2d860875
abstract priority queue class - update to internal class name, add string methods.
Charles Reid
2017-06-22 21:45:08 -0700
6064a2166d
update priority queue interface documentation. no abstract keyword.
Charles Reid
2017-06-22 13:55:56 -0700
cc93788e6f
Abstract class now references Item class w/o defining.
Charles Reid
2017-06-22 13:55:21 -0700
83f5081ca2
No idea if this exceptions approach is going to work.
Charles Reid
2017-06-22 13:16:12 -0700
4bfa748d18
Adding abstract priority queue ADT and priority queue interface.
Charles Reid
2017-06-22 13:15:12 -0700
91729c40c6
New track for priority queues. Default comparator, and comparator example.
Charles Reid
2017-06-22 13:14:59 -0700
446dfcca82
apparently, unsorted priority queue is just horrendous? I find this difficult to believe.
Charles Reid
2017-06-21 19:50:01 -0700
ade18accab
Removing unsorted priority queue. Too many questions. Too many hassles.
Charles Reid
2017-06-21 19:25:19 -0700
4bdf2648f5
fixing up print statements and output.
Charles Reid
2017-06-21 19:25:01 -0700
c0aee2beb5
makefile changes to accompany fixes to sorted priority queue.
Charles Reid
2017-06-20 17:16:28 -0700
bc98df693c
sorted priority queue issues worked out, add/remove working on arrays up to 10M elements.
Charles Reid
2017-06-20 17:16:08 -0700
d67b140428
unanswered questions in Timing class.
Charles Reid
2017-06-20 01:25:21 -0700
3f60465773
have some very strange behavior going on with the priority queues.
Charles Reid
2017-06-20 00:25:09 -0700
7ac7b38d9e
update output from priority queue timing test.
Charles Reid
2017-06-19 19:49:59 -0700
96d086982d
Fixing bugs in priority queue timing tests, and making tests more robust.
Charles Reid
2017-06-19 19:49:39 -0700
4972814777
adjust order in makefile.
Charles Reid
2017-06-19 19:48:51 -0700
6e24b452eb
fix comments in sorted priority queue class.
Charles Reid
2017-06-19 19:48:32 -0700
7d1fcff544
Unsorted priority queue class now works.
Charles Reid
2017-06-19 19:47:55 -0700
55eee3d2a4
Add priority queue timing class, Tim, makefile, output, etc.
Charles Reid
2017-06-19 01:08:59 -0700
64469f4641
Adding removeMin and peekMin abstract methods back into priorityqueue base class.
Charles Reid
2017-06-18 23:51:26 -0700
f20a94817b
adding more improved sorted priority queue tests - small, big, and empty.
Charles Reid
2017-06-18 23:50:20 -0700
6022ddca6d
Expanding sorted priority queue tests. Now passing.
Charles Reid
2017-06-18 23:17:23 -0700
f039e74d83
add clean rule to priority queue makefile.
Charles Reid
2017-06-18 22:13:14 -0700
5efaa18072
Adding a sorted priority queue that uses a linked list.
Charles Reid
2017-06-18 22:12:26 -0700
c252eb3162
update counter
Charles Reid
2017-06-18 13:56:36 -0700
082468f28e
Adding a strings-characters-digits folder.
Charles Reid
2017-06-18 13:52:38 -0700
c9a365ac93
Moving trees to oop-correct-tree
Charles Reid
2017-06-18 11:54:56 -0700
6b9fd87b20
adding expression tree test.
Charles Reid
2017-06-18 09:58:56 -0700
24564ae071
need to fix remove method. use parent pointer, not this pointer.
Charles Reid
2017-06-17 00:10:17 -0700
babe1048e5
Weiss still working through insert method.
Charles Reid
2017-06-16 22:54:53 -0700
bf9344d39f
adding readme for bianry search trees.
Charles Reid
2017-06-16 20:03:16 -0700
846f482b36
working insert method for binary tree - FINALLY.
Charles Reid
2017-06-16 20:01:36 -0700
d1e0e9e109
adding findmin and findmax, recursive and non-recursive versions.
Charles Reid
2017-06-16 06:10:14 -0700
2fe5ceb679
add basic bin search tree
Charles Reid
2017-06-15 23:51:00 -0700
da32a67bfc
adding Postfix expression parser class. some copypasta.
Charles Reid
2017-06-15 21:30:49 -0700
21ee89e572
Change expression tree tests. Still have some work to do.
Charles Reid
2017-06-13 19:57:38 -0700
df210b875b
clean makerule
Charles Reid
2017-06-13 19:04:30 -0700
fa5baebd0a
Adding a few more ExpressionTree tests.
Charles Reid
2017-06-13 19:03:25 -0700
b0bf936fad
FINALLY working infix expression tree.
Charles Reid
2017-06-13 19:01:39 -0700
04ef769555
Adding expression tree program. So far.
Charles Reid
2017-06-13 05:05:30 -0700
fa7746751b
Fix naming of BFT subtree method.
Charles Reid
2017-06-12 13:24:43 -0700
f99ff1323b
adding template for tree clone operation.
Charles Reid
2017-06-12 12:53:39 -0700
97611c7748
adding timing for tree operations.
Charles Reid
2017-06-12 12:53:18 -0700
cf5c638af7
More improvements with tests in linked binary tree.
Charles Reid
2017-06-11 20:44:02 -0700
75dc558156
working out some tree tests.
Charles Reid
2017-06-11 20:27:35 -0700
06d6e64a4f
Update LinkedBinTree to move tests into tree test file.
Charles Reid
2017-06-11 18:39:45 -0700
fb6ec8bb85
adding tree timing to tree files/code.
Charles Reid
2017-06-11 18:39:18 -0700
32c1bd9a49
adding a few simple tests/printing methods.
Charles Reid
2017-06-11 18:36:55 -0700
7a148bfca4
Getting Linked Binary Tree basics working. Test comes later.
Charles Reid
2017-06-11 18:12:44 -0700
4f9fd88939
arrrrg! durn <E> left out.
Charles Reid
2017-06-11 17:48:13 -0700
29434e9178
Adding a (finally) working concrete implementation of binary tree class: linked binary tree.
Charles Reid
2017-06-11 11:34:16 -0700
1933f8adf2
update tree/binary tree interfaces.
Charles Reid
2017-06-10 14:24:47 -0700
8a38a5c1d1
add two abstract classes - abstract tree, abstract binary tree.
Charles Reid
2017-06-10 14:24:17 -0700
c9a2bc4367
updating trees directory organization and readme.
Charles Reid
2017-06-10 12:38:56 -0700
bb6448ee12
adding interfaces.
Charles Reid
2017-06-10 12:32:17 -0700
a4539ac214
adding images for linked list explanations
Charles Reid
2017-06-10 06:43:08 -0700
aa743bcf62
add makefile for code clinic Data.gov statistics
Charles Reid
2017-06-10 06:42:57 -0700
6fc4f7fe65
Updating string permutations - finding permutations using stacks/queues.
Charles Reid
2017-06-10 06:42:13 -0700
e47645e4df
Updating sequential remove Makefile.
Charles Reid
2017-06-10 06:41:38 -0700
c34feb5692
updating move of PythonList type.
Charles Reid
2017-06-10 06:41:14 -0700
6c51f9d782
Add working statistics program. Some tradeoffs. Mainly kept simple.
Charles Reid
2017-06-10 06:40:37 -0700
5ae1edc188
Adding Data.gov data analysis.
Charles Reid
2017-06-09 19:19:15 -0700
f80b374f79
moving python-style list class to lists/ directory.
Charles Reid
2017-06-06 22:24:23 -0700
d113d916dd
updating output.txt for linked lists.
Charles Reid
2017-06-06 00:50:00 -0700
4153077992
add reverse, rotate, and tests for both.
Charles Reid
2017-06-06 00:49:47 -0700
6755d2a531
update rotate mehtod
Charles Reid
2017-06-06 00:48:53 -0700
e5c80e3b8d
bringing Tim into the 21st century.
Charles Reid
2017-06-06 00:47:54 -0700
c844f9c3c5
enchanted forest multiplayer interaction matrix.
Charles Reid
2017-06-06 00:46:33 -0700
627f3b0815
New driver for TLinkedList testing rotate() method.
Charles Reid
2017-06-06 00:07:33 -0700
173f806896
update for FindOneFast test.
Charles Reid
2017-06-05 22:08:30 -0700
9a6912c319
updating the FindOneFast test to find multiple duplicates.
Charles Reid
2017-06-05 22:08:04 -0700
9ff88a7e2d
adding timing tests for reverse link list.
Charles Reid
2017-06-05 21:38:28 -0700
7a6e80f2ad
Add reverse method to TLinkedList, O(n) time.
Charles Reid
2017-06-05 21:34:18 -0700
c5a5113167
This is the solution: irreconcilable approaches.
Charles Reid
2017-06-05 21:33:07 -0700
1dc963f00e
Adding code to find a single duplicate in an array. Surprisingly complicated. Thanks Java.
Charles Reid
2017-06-05 21:18:25 -0700
0da0104950
add a javadoc for sequential remove class.
Charles Reid
2017-06-05 15:34:25 -0700
533383685c
Adding sequential removal solution, and Fisher Yates statistical shuffle verification.
Charles Reid
2017-06-05 15:23:29 -0700
5e5d9a152d
adding wisdom learned from linked list scaling.
Charles Reid
2017-06-04 21:48:08 -0700
ea3b1b4b63
Fixing up timing, prints out 1e3 to 1e6 scaled linked list performance.
Charles Reid
2017-06-04 21:32:07 -0700