Akshay Babbar 
							
						 
					 
					
						
						
							
						
						1e288d7f9a 
					 
					
						
						
							
							removed '/' from Link ( #32902 )  
						
						... 
						
						
						
						'/' was linking to the wrong link. Updated please review 
						
						
					 
					
						2018-11-28 20:07:06 -05:00 
						 
				 
			
				
					
						
							
							
								raviram 
							
						 
					 
					
						
						
							
						
						d73f27049d 
					 
					
						
						
							
							Added link to interactive visuals of algorithms ( #23648 )  
						
						
						
						
					 
					
						2018-11-28 20:03:34 -05:00 
						 
				 
			
				
					
						
							
							
								Neshar89 
							
						 
					 
					
						
						
							
						
						c8b0caf837 
					 
					
						
						
							
							Added blank space between the lines ( #25136 )  
						
						
						
						
					 
					
						2018-11-28 22:13:28 +05:30 
						 
				 
			
				
					
						
							
							
								mridul981 
							
						 
					 
					
						
						
							
						
						0c5b28e0e5 
					 
					
						
						
							
							Added java implementation of merge sort ( #22581 )  
						
						
						
						
					 
					
						2018-11-27 12:15:41 -08:00 
						 
				 
			
				
					
						
							
							
								Muhammed Kilig 
							
						 
					 
					
						
						
							
						
						804132b43b 
					 
					
						
						
							
							Added VisuAlgo link on Sorting to bottom of page ( #21162 )  
						
						... 
						
						
						
						<!-- Please follow this checklist and put an x in each of the boxes, like this: [x]. It will ensure that our team takes your pull request seriously. -->
- [x] I have read [freeCodeCamp's contribution guidelines](https://github.com/freeCodeCamp/freeCodeCamp/blob/master/CONTRIBUTING.md ).
- [x] My pull request has a descriptive title (not a vague title like `Update index.md`)
- [x] My pull request targets the `master` branch of freeCodeCamp.
- [x] None of my changes are plagiarized from another source without proper attribution.
- [x] My article does not contain shortened URLs or affiliate links.
If your pull request closes a GitHub issue, replace the XXXXX below with the issue number.
Closes #XXXXX 
						
						
					 
					
						2018-11-26 00:48:18 -05:00 
						 
				 
			
				
					
						
							
							
								ayush163 
							
						 
					 
					
						
						
							
						
						3b9dafc1de 
					 
					
						
						
							
							Add the text "The time complexity of this algorithm is O(nLogn), be it best case, average case or worst case. It's time complexity can be easily understood from the recurrence eqaution :T(n) = 2T(n/2) + n." to the article ( #22663 )  
						
						
						
						
					 
					
						2018-11-24 16:12:25 +00:00 
						 
				 
			
				
					
						
							
							
								Kirsten 
							
						 
					 
					
						
						
							
						
						f58043c1db 
					 
					
						
						
							
							Update index.md ( #26274 )  
						
						... 
						
						
						
						Edited algorithm efficiency paragraph to remove "be" from the sentence "Since the algorithms today..." 
I also adjusted the period spacing at the end of the algorithm efficiency paragraph. 
						
						
					 
					
						2018-11-23 22:18:50 +05:30 
						 
				 
			
				
					
						
							
							
								Ankit Mathur 
							
						 
					 
					
						
						
							
						
						59b7d5b866 
					 
					
						
						
							
							Append more information in introduction of AVL trees. ( #22425 )  
						
						... 
						
						
						
						* Update index.md
Add more information in the introduction of AVL trees.
* removed extraneous word 
						
						
					 
					
						2018-11-21 21:57:18 -06:00 
						 
				 
			
				
					
						
							
							
								Siddhartha Anand 
							
						 
					 
					
						
						
							
						
						dfb5779820 
					 
					
						
						
							
							Add traversal methods ( #22428 )  
						
						... 
						
						
						
						Add traversal methods (inorder, preorder, postorder) for the binary search tree. 
						
						
					 
					
						2018-11-21 08:45:53 -07:00 
						 
				 
			
				
					
						
							
							
								Manish kumar chaurasia 
							
						 
					 
					
						
						
							
						
						112c90c4ed 
					 
					
						
						
							
							added code of kmp algorithm in index.md ( #22293 )  
						
						... 
						
						
						
						* added code of kmp algorithm in index.md
* format codeblock to c++?
I think this is c++, but I'm not positive. 
						
						
					 
					
						2018-11-20 07:41:27 -06:00 
						 
				 
			
				
					
						
							
							
								eirinisp 
							
						 
					 
					
						
						
							
						
						740ffdc839 
					 
					
						
						
							
							Fixed grammatical errors ( #25341 )  
						
						
						
						
					 
					
						2018-11-20 14:54:34 +05:30 
						 
				 
			
				
					
						
							
							
								eirinisp 
							
						 
					 
					
						
						
							
						
						38e8256f03 
					 
					
						
						
							
							Various grammatical errors ( #25317 )  
						
						
						
						
					 
					
						2018-11-20 14:51:12 +05:30 
						 
				 
			
				
					
						
							
							
								JiDarwish 
							
						 
					 
					
						
						
							
						
						2d1f50ada8 
					 
					
						
						
							
							Update index.md ( #22225 )  
						
						
						
						
					 
					
						2018-11-19 16:36:04 -05:00 
						 
				 
			
				
					
						
							
							
								Gollamudi Savitha Rakendu Sri 
							
						 
					 
					
						
						
							
						
						0bad6af6c4 
					 
					
						
						
							
							Updated resources for design pattern ( #25484 )  
						
						... 
						
						
						
						* Updated resources for design pattern
Added new resources to learn design patterns
* fix: formatting 
						
						
					 
					
						2018-11-19 21:29:48 +05:30 
						 
				 
			
				
					
						
							
							
								Manvender Singh Rathore 
							
						 
					 
					
						
						
							
						
						dff64a339d 
					 
					
						
						
							
							Quick Sort Complexity Table ( #22056 )  
						
						... 
						
						
						
						* Quick Sort Complexity Table 
						
						
					 
					
						2018-11-18 01:26:59 -08:00 
						 
				 
			
				
					
						
							
							
								manishbhatt151 
							
						 
					 
					
						
						
							
						
						382913ab84 
					 
					
						
						
							
							Provided link to Youtube playlist of Sorting Algorithms ( #22093 )  
						
						
						
						
					 
					
						2018-11-17 22:29:09 -06:00 
						 
				 
			
				
					
						
							
							
								Charlie van Rantwijk 
							
						 
					 
					
						
						
							
						
						03cdc70b6c 
					 
					
						
						
							
							add "more info" link to original HE site ( #22081 )  
						
						... 
						
						
						
						It seems this article is copied almost word for word from the added link, therefor a link to the original page should be added. 
						
						
					 
					
						2018-11-17 22:08:46 -06:00 
						 
				 
			
				
					
						
							
							
								Vamsi Krishna 
							
						 
					 
					
						
						
							
						
						c793f362b7 
					 
					
						
						
							
							Added syntax format specifier as C  
						
						... 
						
						
						
						Some code pieces were missing the syntax format specifier as C. So, added them. 
						
						
					 
					
						2018-11-17 20:03:39 +09:00 
						 
				 
			
				
					
						
							
							
								Charlie van Rantwijk 
							
						 
					 
					
						
						
							
						
						8e4512648b 
					 
					
						
						
							
							several grammatical and sentence structural fixes ( #22224 )  
						
						... 
						
						
						
						Also changed the first line as Insertion Sort isn't the most efficient sorting algorithm and isn't necessarily the simplest. 
						
						
					 
					
						2018-11-17 05:14:15 -05:00 
						 
				 
			
				
					
						
							
							
								Purposeful Programming 
							
						 
					 
					
						
						
							
						
						57a184ca19 
					 
					
						
						
							
							Fix typo ( #23775 )  
						
						
						
						
					 
					
						2018-11-14 20:32:48 +05:30 
						 
				 
			
				
					
						
							
							
								HARI VARDANACHARI KORRAPATI 
							
						 
					 
					
						
						
							
						
						c045adcc37 
					 
					
						
						
							
							Z algorithm is added to the String matching algorithms in the guide ( #27833 )  
						
						... 
						
						
						
						* Create new file for  Z algorithm
* Updated index.md 
Changed the content following the guide lines of freeCodeCamp's  Style Guide for creating Guide Articles.
* z-algorithm Updated folder names as per Guidelines
* Updated title as per guide lines 
						
						
					 
					
						2018-11-13 10:50:56 -08:00 
						 
				 
			
				
					
						
							
							
								Prashant Chand 
							
						 
					 
					
						
						
							
						
						e1ae1bdd09 
					 
					
						
						
							
							add details for "Heap Sort" ( #21420 )  
						
						
						
						
					 
					
						2018-11-12 07:54:52 -08:00 
						 
				 
			
				
					
						
							
							
								Siddhartha Anand 
							
						 
					 
					
						
						
							
						
						8d8dff86f3 
					 
					
						
						
							
							Improve grammar for this README.md ( #21419 )  
						
						... 
						
						
						
						Clarify and add more detail to the steps of doing Jump Search. 
						
						
					 
					
						2018-11-12 07:52:49 -08:00 
						 
				 
			
				
					
						
							
							
								Rachita Bhagchandani 
							
						 
					 
					
						
						
							
						
						eb4c305722 
					 
					
						
						
							
							Added augumented trees in binary trees guide ( #21530 )  
						
						
						
						
					 
					
						2018-11-10 22:10:29 +00:00 
						 
				 
			
				
					
						
							
							
								Prashanth Thiagarajan 
							
						 
					 
					
						
						
							
						
						f0640891a6 
					 
					
						
						
							
							Minor typo in index.md ( #21529 )  
						
						
						
						
					 
					
						2018-11-10 22:03:00 +00:00 
						 
				 
			
				
					
						
							
							
								vgupta3 
							
						 
					 
					
						
						
							
						
						70fc1ac009 
					 
					
						
						
							
							Fixed the binary search equation by changing the 2x to 2^x ( #21389 )  
						
						... 
						
						
						
						Fixed the binary search equation by changing the 2x to 2^x
If we divide N by 2 x times it is supposed to be N/2^x not N/2x 
						
						
					 
					
						2018-11-10 14:48:35 +07:00 
						 
				 
			
				
					
						
							
							
								Okaba Mark N 
							
						 
					 
					
						
						
							
						
						9c476d6698 
					 
					
						
						
							
							Updated  #1  property of B-Trees ( #22151 )  
						
						
						
						
					 
					
						2018-11-07 17:44:39 -05:00 
						 
				 
			
				
					
						
							
							
								S.Hale 
							
						 
					 
					
						
						
							
						
						3920b7c4ce 
					 
					
						
						
							
							Corrected capitalization, corrected to American spellings and typos ( #30685 )  
						
						... 
						
						
						
						* Translate challenge subtitles and example challenge text to Spanish
* Corrected errors in syntax and punctuation
* Multiple corrections of it/s to its plus other grammar corrections
* Correction and added paragraph to CSS Flex article
* Corrected my own typo
* Corrected capitalization, American spellings and typos 
						
						
					 
					
						2018-11-07 10:34:13 -05:00 
						 
				 
			
				
					
						
							
							
								Manish kumar chaurasia 
							
						 
					 
					
						
						
							
						
						4f75c9a396 
					 
					
						
						
							
							made changes in article ( #22322 )  
						
						... 
						
						
						
						added detailed explaination of  Divide,Conquer and Combine 
						
						
					 
					
						2018-11-06 05:30:12 -05:00 
						 
				 
			
				
					
						
							
							
								Shankar Rao Mata 
							
						 
					 
					
						
						
							
						
						f3698bb6d7 
					 
					
						
						
							
							Added few lines about big o notation ( #21024 )  
						
						... 
						
						
						
						* Added few lines about big o notation
I think this description was missing the basic understanding of running time which can be mastered using big o notation.
* Update index.md
* Update index.md
* Update index.md 
						
						
					 
					
						2018-11-05 21:15:26 -05:00 
						 
				 
			
				
					
						
							
							
								Manish kumar chaurasia 
							
						 
					 
					
						
						
							
						
						f3a1e18d3e 
					 
					
						
						
							
							added example in bruteforce algo in index.md ( #20117 )  
						
						... 
						
						
						
						* added example in bruteforce algo in index.md
* Address suggested changes 
						
						
					 
					
						2018-11-03 21:03:08 -04:00 
						 
				 
			
				
					
						
							
							
								myYearOfCode 
							
						 
					 
					
						
						
							
						
						70032ce972 
					 
					
						
						
							
							removing half tag "<sup1" ( #20816 )  
						
						... 
						
						
						
						* removing half tag "<sup1"
it looks like it auto-completed and then someone continued typing.
* Remove <sup> tag 
						
						
					 
					
						2018-11-03 14:07:59 +07:00 
						 
				 
			
				
					
						
							
							
								Nick Huynh 
							
						 
					 
					
						
						
							
						
						bcfb5cd905 
					 
					
						
						
							
							Update index.md ( #20855 )  
						
						
						
						
					 
					
						2018-11-02 04:03:21 -04:00 
						 
				 
			
				
					
						
							
							
								Qbuiba 
							
						 
					 
					
						
						
							
						
						4e7d3e718e 
					 
					
						
						
							
							Remove the redundant "[" before "this" word ( #24015 )  
						
						
						
						
					 
					
						2018-11-02 13:05:57 +05:30 
						 
				 
			
				
					
						
							
							
								Qbuiba 
							
						 
					 
					
						
						
							
						
						d9059ceb24 
					 
					
						
						
							
							Correct the typo "wether" ( #24032 )  
						
						
						
						
					 
					
						2018-11-02 13:01:44 +05:30 
						 
				 
			
				
					
						
							
							
								myYearOfCode 
							
						 
					 
					
						
						
							
						
						707095bed1 
					 
					
						
						
							
							Correcting grammar ( #20810 )  
						
						... 
						
						
						
						add "event" to "De-couple an observer from an observable (event)."
remove redundant "program" in "Describes the program skeleton of a program." 
						
						
					 
					
						2018-11-01 05:34:21 -04:00 
						 
				 
			
				
					
						
							
							
								myYearOfCode 
							
						 
					 
					
						
						
							
						
						2b62e4e3d1 
					 
					
						
						
							
							Correct word usage ( #20798 )  
						
						... 
						
						
						
						"This patterns are..." changed to "These patterns are..." 
						
						
					 
					
						2018-11-01 05:30:38 -04:00 
						 
				 
			
				
					
						
							
							
								AnonProgrammer007 
							
						 
					 
					
						
						
							
						
						97920cca8e 
					 
					
						
						
							
							Update index.md to add comma ( #33019 )  
						
						... 
						
						
						
						Add an Oxford comma on line 41 
						
						
					 
					
						2018-10-31 18:08:17 -05:00 
						 
				 
			
				
					
						
							
							
								Ha Anh Nguyen 
							
						 
					 
					
						
						
							
						
						8d0ca1729d 
					 
					
						
						
							
							Summarize time complexity of merge sort ( #20632 )  
						
						... 
						
						
						
						Add simple way to remember time complexity of merge sort 
						
						
					 
					
						2018-10-31 14:16:56 -07:00 
						 
				 
			
				
					
						
							
							
								ar03 
							
						 
					 
					
						
						
							
						
						01b4fe6b26 
					 
					
						
						
							
							Added a YouTube example of Brute Force ( #31488 )  
						
						
						
						
					 
					
						2018-10-31 16:46:25 -04:00 
						 
				 
			
				
					
						
							
							
								ar03 
							
						 
					 
					
						
						
							
						
						501e789b77 
					 
					
						
						
							
							Added YouTube link ( #31497 )  
						
						... 
						
						
						
						Added a demonstration of backtracking via YouTube. 
						
						
					 
					
						2018-10-31 11:14:22 -04:00 
						 
				 
			
				
					
						
							
							
								Ha Anh Nguyen 
							
						 
					 
					
						
						
							
						
						ad6eed1ef3 
					 
					
						
						
							
							Add explanation about various time complexity ( #20565 )  
						
						... 
						
						
						
						Explaining the why time complexity of quick sort varies 
						
						
					 
					
						2018-10-31 08:12:17 -07:00 
						 
				 
			
				
					
						
							
							
								Ha Anh Nguyen 
							
						 
					 
					
						
						
							
						
						8c4ead7998 
					 
					
						
						
							
							Add special cases where bubble sort is reasonable ( #20527 )  
						
						... 
						
						
						
						I added more specific explanations when bubble sort is used 
						
						
					 
					
						2018-10-30 22:20:10 -05:00 
						 
				 
			
				
					
						
							
							
								Quidster 
							
						 
					 
					
						
						
							
						
						3ba98401eb 
					 
					
						
						
							
							Add video link on algorithms ( #20456 )  
						
						
						
						
					 
					
						2018-10-30 21:21:15 -04:00 
						 
				 
			
				
					
						
							
							
								Taylor 
							
						 
					 
					
						
						
							
						
						615742ba78 
					 
					
						
						
							
							Update index.md by fixing typos ( #20410 )  
						
						... 
						
						
						
						* Update index.md by fixing typos 
Also, added section for learning about Depth-first searching and Breadth-first searching.
* Update index.md - reverting back to original verbiage. 
						
						
					 
					
						2018-10-28 21:45:17 -07:00 
						 
				 
			
				
					
						
							
							
								Manish kumar chaurasia 
							
						 
					 
					
						
						
							
						
						22481b1fcc 
					 
					
						
						
							
							updated code of selection sort in this article ( #20058 )  
						
						
						
						
					 
					
						2018-10-28 14:23:50 +11:00 
						 
				 
			
				
					
						
							
							
								myYearOfCode 
							
						 
					 
					
						
						
							
						
						695b3c4db1 
					 
					
						
						
							
							Add semicolon on point 15 to keep with style ( #20823 )  
						
						
						
						
					 
					
						2018-10-27 12:09:28 +05:30 
						 
				 
			
				
					
						
							
							
								SAKSHI-CHANDEL 
							
						 
					 
					
						
						
							
						
						b6ad5afb70 
					 
					
						
						
							
							Correcting a spelling mistake ( #19845 )  
						
						... 
						
						
						
						* Correcting a spelling mistake
* Formatting and adding missing code
* Removing extra code
* Update index.md 
						
						
					 
					
						2018-10-26 03:29:30 -06:00 
						 
				 
			
				
					
						
							
							
								Sharon Gao 
							
						 
					 
					
						
						
							
						
						ccc5d0f6bc 
					 
					
						
						
							
							Fix(guide): Add link to Priority Queue documentation  
						
						
						
						
					 
					
						2018-10-25 21:15:22 -04:00 
						 
				 
			
				
					
						
							
							
								DipakKumarSingh 
							
						 
					 
					
						
						
							
						
						9cbbadc770 
					 
					
						
						
							
							Sentences should end with single '.' ( #28529 )  
						
						
						
						
					 
					
						2018-10-26 00:26:50 +11:00