Donne Martin
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10a404c7ae
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Move tree bfs to a class
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2016-08-14 08:26:57 -04:00 |
|
Donne Martin
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b91b6a437b
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Move bst successor to a class
|
2016-08-14 08:23:11 -04:00 |
|
Donne Martin
|
857497115a
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Move bst min to a class
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2016-08-14 08:22:07 -04:00 |
|
Donne Martin
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82c9725000
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Move bst to a class
|
2016-08-14 08:20:06 -04:00 |
|
Donne Martin
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a9d18bdcc0
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Fix notebook credits to render properly on nbviewer (#94)
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2016-07-31 08:11:18 -04:00 |
|
Donne Martin
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113eddd3c3
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Update graph remove_neighbor error handling (#93)
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2016-07-20 07:29:48 -04:00 |
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Donne Martin
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0e866dc7c0
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Update bst string representation method (#92)
__repr__ is also used by __str__, but not vice versa.
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2016-07-20 07:24:04 -04:00 |
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Donne Martin
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cb660acd13
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Rework graph challenge and solution (#90)
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2016-07-04 07:16:15 -04:00 |
|
Donne Martin
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618eeedfe3
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Polish graph path exists challenge and solution (#89)
Update constraints and code.
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2016-06-28 04:38:02 -04:00 |
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Donne Martin
|
d4ef6108fb
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Update constraints for bfs and dfs graph challenge and solution (#88)
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2016-06-28 04:35:29 -04:00 |
|
Donne Martin
|
46357c139c
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Update constraints for tree height challenge and solution (#87)
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2016-06-28 04:33:10 -04:00 |
|
Donne Martin
|
5093103324
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Rework graph challenge and solution (#86)
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2016-06-26 17:48:32 -04:00 |
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Donne Martin
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d3fd7bc0a1
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Polish bst check balanced challenge and solution (#84)
Update constraints, tests, and code.
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2016-06-25 22:13:15 -04:00 |
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Donne Martin
|
589ff06b15
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Polish bst validate challenge and solution (#83)
Update constraints, test cases, tests, algorithm discussion, and code.
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2016-06-25 22:08:54 -04:00 |
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Donne Martin
|
7b573ceaa3
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Polish bst successor challenge and solution (#82)
Update constraints, test cases, tests, algorithm discussion, and code.
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2016-06-25 22:06:35 -04:00 |
|
Donne Martin
|
042161dc3b
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Update bst insert to return the inserted node (#81)
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2016-06-25 21:03:26 -04:00 |
|
Donne Martin
|
7882ed9ae7
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Polish check tree balance challenge and solution (#80)
Update constraints, test cases, tests, and code.
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2016-06-25 08:42:16 -04:00 |
|
Donne Martin
|
996058195d
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Polish tree level lists challenge and solution (#79)
Update constraints and test cases.
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2016-06-25 08:37:39 -04:00 |
|
Donne Martin
|
884bbe4870
|
Polish tree dfs challenge and solution (#78)
Update constraints and algorithm discussion.
|
2016-06-25 08:30:02 -04:00 |
|
Donne Martin
|
c7854b69cc
|
Polish tree bfs challenge and solution (#77)
Update constraints and algorithm discussion.
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2016-06-25 08:26:19 -04:00 |
|
Donne Martin
|
1321723eb9
|
Polish bst min challenge and solution (#76)
Update constraints, algorithm discussion, and code.
|
2016-06-25 08:23:28 -04:00 |
|
Donne Martin
|
c24a628329
|
Polish bst challenge and solution (#75)
Update constraints, algorithm discussion, and code.
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2016-06-24 07:23:20 -04:00 |
|
z123
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4306797043
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Fixed issues with node state.
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2016-05-08 11:22:47 -07:00 |
|
Donne Martin
|
358791fbbc
|
Update dfs solution complexity discussion
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2016-03-02 07:50:28 -05:00 |
|
Donne Martin
|
de0e70de4f
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Polish bst challenge and solution
Add root is None input test case. Update time and space complexity discussion.
|
2016-03-01 07:03:37 -05:00 |
|
Donne Martin
|
fbf546ccc3
|
Update template notebook headers to render properly on nbviewer, update author link.
|
2015-12-11 05:19:33 -05:00 |
|
Donne Martin
|
5d1f8ae79e
|
Add bst successor challenge.
|
2015-12-02 07:14:34 -05:00 |
|
Xiaojian Wang
|
edfbec618f
|
Fix check_balance solution for a new test case
|
2015-10-09 22:53:42 -07:00 |
|
Donne Martin
|
1f45095f60
|
Added three state variable visit_state which will be useful for more advanced challenges such as topological sort.
|
2015-08-23 08:08:46 -04:00 |
|
Donne Martin
|
82b74ca7b4
|
Revised path exists challenge algorithm discussion.
|
2015-08-16 08:23:26 -04:00 |
|
Donne Martin
|
6b269d0f45
|
Updated bst to keep track of its parent and to return the node it inserts.
|
2015-08-16 08:21:11 -04:00 |
|
Donne Martin
|
f26f61e949
|
Added bst validate challenge.
|
2015-08-14 19:30:09 -04:00 |
|
Donne Martin
|
5a697d7e7c
|
Fixed Big O space complexity.
|
2015-08-13 06:52:32 -04:00 |
|
Donne Martin
|
224aef1d47
|
Fixed Big O space complexities.
|
2015-08-13 06:52:15 -04:00 |
|
Donne Martin
|
e50dff94b0
|
Fixed Big O space complexity.
|
2015-08-13 06:51:53 -04:00 |
|
Donne Martin
|
d99db4e110
|
Fixed Big O complexities.
|
2015-08-13 06:48:52 -04:00 |
|
Donne Martin
|
d6efaca8d8
|
Fixed whitespace for PEP8.
|
2015-08-13 06:48:08 -04:00 |
|
Donne Martin
|
53034144d4
|
Added binary tree balance check challenge.
|
2015-08-06 06:09:30 -04:00 |
|
Donne Martin
|
bf4222d6e1
|
Added tree level lists challenge.
|
2015-08-05 18:17:27 -04:00 |
|
Donne Martin
|
0c0ea408ee
|
Added min height bst challenge.
|
2015-08-05 18:16:26 -04:00 |
|
Donne Martin
|
d098e67ffd
|
Saved tree height challenge solution so it can be reused as a component to other related challenges.
|
2015-08-05 18:15:03 -04:00 |
|
Donne Martin
|
b109b6f8cc
|
Simplified challenge coding and unit tests by working with the node directly as opposed to node.id or node.data, which is more natural when writing coding challenges.
|
2015-08-05 06:14:44 -04:00 |
|
Donne Martin
|
1c5f34eb3e
|
Added graph path exists challenge.
|
2015-08-05 05:49:41 -04:00 |
|
Donne Martin
|
74d25491ca
|
Tweaked ordering of graph and bst challenges.
|
2015-08-05 05:47:02 -04:00 |
|
Donne Martin
|
25eaf0224a
|
Simplified check to determine if there are items in the queue.
|
2015-08-05 05:45:30 -04:00 |
|
Donne Martin
|
370ceaf414
|
Simplified check to determine if there are items in the queue.
|
2015-08-05 05:45:02 -04:00 |
|
Donne Martin
|
bad87c9f87
|
Added graph bfs challenge.
|
2015-08-04 20:02:28 -04:00 |
|
Donne Martin
|
43eb3f84fa
|
Added graph dfs challenge.
|
2015-08-04 20:01:59 -04:00 |
|
Donne Martin
|
1e5ff4f465
|
Added results.py, which helps with testing graph and tree problems.
|
2015-08-04 19:46:22 -04:00 |
|
Donne Martin
|
acc72a8b8a
|
Added utils/__init__.py
|
2015-08-04 19:45:38 -04:00 |
|