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Author SHA1 Message Date
Donne Martin 15ed55a7d4 Polish quicksort challenge and solution 
Add None input test case.  Remove difficult to read 'Pythonic' solution.  Update space complexity discussion.
 2016-02-25 05:49:31 -05:00
Donne Martin 4b5ce09e6c Add None input test case to selection sort challenge 2016-02-25 05:47:26 -05:00
Donne Martin a2b4978c2e Add None input test case to insertion sort 2016-02-25 05:47:15 -05:00
Donne Martin d8ac0b8fc6 Polish selection sort solution 2016-02-24 07:37:31 -05:00
Donne Martin 577ada7896 Polish selection sort challenge and solution 2016-02-24 06:27:54 -05:00
Donne Martin 031f3233a9 Update sort stack challenge unit test 2016-02-23 07:10:18 -05:00
Donne Martin 2b92f51a4e Polish set of stacks challenge 2016-02-23 06:13:05 -05:00
Donne Martin ba14cb0417 Add intermediate sort stack solution and test 2016-02-23 06:12:45 -05:00
Donne Martin d9b2d7144e Polish set of stacks solution 2016-02-21 16:21:37 -05:00
Donne Martin 7222f71f59 Polish queue list solution 2016-02-21 16:21:05 -05:00
Donne Martin 76da9ec98d Polish n stacks solution 2016-02-21 16:20:29 -05:00
Donne Martin 9c441e9f18 Polish find loop start solution. 2016-02-20 12:53:27 -05:00
Donne Martin 7a166bed67 Polish stack solution. 2016-02-20 08:11:49 -05:00
Donne Martin 08fabdf58d Tweak remove dupes solution to use a single node 'reference'. 2016-02-15 06:29:11 -05:00
Donne Martin 21add6f4f5 Rename list_of_chars to reverse_string. 2016-02-14 06:04:48 -05:00
Donne Martin 27a0bf786e Update remove dupes unit test to handle more cases. 2016-02-10 06:33:30 -05:00
Donne Martin 71cb434de7 Polish delete mid solution. 2016-02-10 06:32:31 -05:00
Donne Martin feb3ed3129 Polish add reverse solution. 2016-02-10 06:30:36 -05:00
Donne Martin b0a091f589 Polish rotation solution. 2016-02-10 06:30:11 -05:00
Donne Martin 75becf1afb Polish permutation solution. 2016-02-10 06:29:50 -05:00
Donne Martin 186a192c61 Update array compress unit test to match solution and challenge notebooks. 2016-02-10 06:29:22 -05:00
Donne Martin fe4c118812 Update final char case and unit test for #44. 2016-02-09 07:20:07 -05:00
Donne Martin af2f461239 Merge branch 'develop' 
* develop:
  Update compress challenge based on #44.
 2016-02-09 07:02:34 -05:00
Donne Martin 2084bbf5c9 Update compress challenge based on #44. 2016-02-09 07:00:41 -05:00
Donne Martin b53d7ba9ef Merge pull request #44 from donnemartin/develop 
Polish compress string solution
 2016-02-09 06:54:46 -05:00
Donne Martin 4953e6c114 Update compress solution so AAAAB becomes A4B. 
Previously the solution would yield A4B1, which doesn't have as much compression.
 2016-02-09 06:52:32 -05:00
Donne Martin 9bf96eabaa Polish compress solution. 2016-02-09 06:49:29 -05:00
Donne Martin 81f0f0c1af Merge branch 'irheart-reverse_string/check-inplace' 
* irheart-reverse_string/check-inplace:
  Add in-place reverse string test to solution notebook.
  Test for inplace modification of the array.
 2016-02-09 04:47:10 -05:00
Donne Martin eee55dfa80 Add in-place reverse string test to solution notebook. 2016-02-09 04:46:44 -05:00
Donne Martin 363105cfc0 Merge branch 'reverse_string/check-inplace' of git://github.com/irheart/interactive-coding-challenges into irheart-reverse_string/check-inplace 
* 'reverse_string/check-inplace' of git://github.com/irheart/interactive-coding-challenges:
  Test for inplace modification of the array.
 2016-02-09 04:40:31 -05:00
Donne Martin 784730685b Merge branch 'feature/polish-compression' into develop 
* feature/polish-compression:
  Rename alt compress solution.
  Fix indentation.
  Update author to hashhar's challenge.
 2016-02-09 04:36:07 -05:00
Donne Martin 668864aa62 Rename alt compress solution. 2016-02-09 04:35:09 -05:00
Donne Martin d9b5c57d5e Fix indentation. 2016-02-09 04:33:48 -05:00
Donne Martin 53d0ce9142 Update author to hashhar's challenge. 2016-02-09 04:33:09 -05:00
Donne Martin 06dbb2e3f7 Merge pull request #39 from hashhar/better-compression 
Code concerning Issue #38
 2016-02-09 04:29:06 -05:00
kmt 2fd239fbeb Test for inplace modification of the array. 2016-01-20 21:40:15 +03:00
Ashhar Hasan aa24c9a173 Removed the fixme 2015-12-19 02:36:11 +05:30
Ashhar Hasan ec6ced98a1 Replaced tabs with spaces 2015-12-19 02:32:46 +05:30
Ashhar Hasan bbb9b74f0f Restored original compression challenge 2015-12-19 02:20:59 +05:30
Ashhar Hasan 7d6b374380 Separate challenge for better compression 2015-12-19 02:15:14 +05:30
Donne Martin 7063af0022 Add .gitattributes. 2015-12-16 06:59:25 -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
Ashhar Hasan 206841bc5d New test case to illustrate the improvements 2015-10-30 03:24:56 +05:30
Ashhar Hasan eb44aae3f5 Added the same changes to test cases in the challenge notebook 2015-10-30 03:15:27 +05:30
Ashhar Hasan ef77603f9b Improved compression by only appending count if the count is more than 2 2015-10-30 03:06:17 +05:30
Donne Martin 89d12dbeb7 Merge pull request #37 from superxiao/master 
Fix check_balance solution for a new test case
 2015-10-27 20:38:00 -04:00
Xiaojian Wang edfbec618f Fix check_balance solution for a new test case 2015-10-09 22:53:42 -07:00
Donne Martin 6276624914 Merge branch 'master' of https://github.com/donnemartin/interactive-coding-challenges 
* 'master' of https://github.com/donnemartin/interactive-coding-challenges:
  minor phrasing fix
 2015-08-23 08:08:58 -04:00
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