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183 Commits

Author SHA1 Message Date
anastasiasoenjoto
e616197f9a fix(learn): Made Changes to Instructions in BFS/DFS exercise (#38500) 
* changes to bfs instructions

* added description on visual representation

* Added to the animation description

* Added information about stacks in the description

* Edited description for clarity

* Edited small details for grammar and clarity

* Apply suggested wording and typo fixes

Co-authored-by: Eric Leung <eric@erictleung.com>

* Add typo fixes to BFS challenge

Co-authored-by: Kyla Yujiri <27860923+kylayujiri@users.noreply.github.com>
Co-authored-by: Eric Leung <eric@erictleung.com>
 2020-05-07 19:41:20 -05:00
Rostyslav Ugryniuk
8a858b470c Fix: largestPrimeFactor function, Add: largestPrimeFactor(8) test (#38756) 
* Fix `largestPrimeFactor(8)` result
* Improve `largestPrimeFactor` performance
* Add `largestPrimeFactor(8)` test
 2020-05-07 13:31:59 -05:00
anastasiasoenjoto
f529104348 removed line breaks, fixed typos and wording of instructions 2020-05-06 18:24:39 +09:00
anastasiasoenjoto
bfd9a6bcbc add self describing numbers to meta.json 2020-05-06 18:24:39 +09:00
anastasiasoenjoto
7981d40a13 create self-describing numbers lesson 2020-05-06 18:24:39 +09:00
Hassaan Pasha
c5a087f8b7 fix (curriculum): corrected the valyue of the decrypted message 2020-05-05 19:00:48 +09:00
Bhanu Pratap Singh Rathore
1fc55513a4 feat(interview-prep): Converting and Transfering Rosetta problems (#38624) 
* feat(interview-prep): Converting and Transfering Rosetta problems

* feat(interview-prep): Meta fix

* fix: adjusted descriptions and some test cases

* fix: Descriptions fixed

Co-authored-by: Kris Koishigawa <scissorsneedfoodtoo@gmail.com>
 2020-05-05 18:52:32 +09:00
Sagar Kharabe
18ca64ed4e Update solution for use-breadth-first-search-in-a-binary-search-tree.english.md (#38221) 
* Update use-breadth-first-search-in-a-binary-search-tree.english.md

* Update curriculum/challenges/english/08-coding-interview-prep/data-structures/use-breadth-first-search-in-a-binary-search-tree.english.md

Committed suggested changes

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>

* add debugging function to solution

Ensured seed code and solution matched-up.

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>

Co-authored-by: Tom <20648924+moT01@users.noreply.github.com>
Co-authored-by: Shaun Hamilton <51722130+Sky020@users.noreply.github.com>
 2020-04-28 17:36:02 -05:00
Ashraf Nazar
46e0748af3 fix(curriculum): ensure algorithm does not include the Array method `… (#38520) 
* fix(curriculum): replace comments with empty strings in merge-sort challenge

* Update curriculum/challenges/english/08-coding-interview-prep/algorithms/implement-merge-sort.english.md

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>

Co-authored-by: Tom <20648924+moT01@users.noreply.github.com>
 2020-04-27 07:28:37 -05:00
yitzhak-bloy
73b712ba75 Adding a test in problem-14-Longest-collatz-sequence.english.md (#38401) 
* Adding a test in problem-14-Longest-collatz-sequence.english.md

Adding a test in problem-14-Longest-collatz-sequence.english.md

* fix(curriculum): use more efficient algorithm

Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
 2020-04-24 06:37:20 -05:00
Keith Warter
56f6d4654c fix(learn): update solutions in interview-prep challenges (#38430) 
Co-authored-by: Tom <20648924+moT01@users.noreply.github.com>
Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
 2020-04-23 02:14:50 +05:30
Bhanu Pratap Singh Rathore
1204c72657 feat(interview-prep): Converting and Transferring Rosetta problems (#38371) 
* feat(interview-prep): Converting and Transferring Rosetta problems
 2020-04-21 13:20:40 +09:00
Tom
84edc07076 fix: remove unneeded assert text (#38453) 2020-03-30 18:23:18 +02:00
Agata Stawarz
02f5609c99 Remove double slashes in Strip control codes challenge (#38466) 
* Remove double slashes in Strip control codes challenge

* Remove unnecessary message argument from assertions

Co-Authored-By: Randell Dawson <5313213+RandellDawson@users.noreply.github.com>

Co-authored-by: Randell Dawson <5313213+RandellDawson@users.noreply.github.com>
 2020-03-30 17:23:02 +02:00
Keith Warter
3ee1c39e41 Adding a solution for reversing a DoubleLinkedList. (#38427) 2020-03-26 21:01:49 -07:00
Hassaan Pasha
4fbce07792 fix: improve test regex to validate disallowed methods that can be bypassed by prototype reassignments and/or otherwise (#38214) 
* fix: improve test regex to validate disallowed methods that can be bypassed by prototype reassignments and/or otherwise

* fix: fixing regex pattern
 2020-03-26 08:13:34 -07:00
Keith Warter
022bbdd1b0 Adding a solution for searching within a linked list for future students (#38326) 
* Adding a solution for future students

* fix: added new tests and correctied existing tests

* Adding isEmpty method as well

* Update curriculum/challenges/english/08-coding-interview-prep/data-structures/search-within-a-linked-list.english.md

Co-Authored-By: Manish Giri <manish.giri.me@gmail.com>

Co-authored-by: Randell Dawson <rdawson@onepathtech.com>
Co-authored-by: Manish Giri <manish.giri.me@gmail.com>
 2020-03-21 09:30:14 -05:00
Sanket Kogekar
f25d035e9d add: solution to project euler problem 23 md file (#38369) 2020-03-18 16:37:26 -07:00
Sanket Kogekar
705cc32579 add: solution to project euler problem 22 md file (#38263) 
* add: solution to project euler 22 md file

* Copied the array instead of using it directly

Co-Authored-By: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
 2020-03-13 14:31:13 -07:00
Randell Dawson
cc190aba99 fix: removed assert message arguments 2020-03-12 20:46:46 +09:00
Bhanu Pratap Singh
72bc067e6b feat(interview-prep): Regenerated IDs 2020-03-12 20:46:46 +09:00
Bhanu Pratap Singh
ec0a5e0b6f feat(interview-prep): Updated descriptions and corrected syntax 2020-03-12 20:46:46 +09:00
unknown
e4a6f5563f feat(interview-prep): Converting and transferring Rosetta problems 2020-03-12 20:46:46 +09:00
Hassaan Pasha
8c435c8b75 fix (curriculum): changed the index to 0 for the fibonacci sequence challenge (#38331) 2020-03-10 13:43:41 +03:00
Shivam
dbf3815fc7 added:solution for Coding Interview Prep/Data Structures-Create a Map Data Structure (#38337) 
* add: solution to Data Structures-Create a Map Data Structure

* Proper usage of -hasOwnProperty

removed unnecessary returns
 2020-03-07 22:07:40 -08:00
Oliver Eyton-Williams
2d7b1255cc fix: add missing .english extensions (#38298) 2020-02-28 07:19:22 -08:00
Kristofer Koishigawa
6cfd0fc503 fix: improve Project Euler descriptions, challenge seeds, and test cases (#38016) 
* fix: improve Project Euler descriptions and test case

Improve formatting of Project Euler test descriptions. Also add poker hands array and new test case for problem 54

* feat: add typeof tests and gave functions proper names for first 100 challenges

* fix: continue fixing test descriptions and adding "before test" sections

* fix: address review comments

* fix: adjust grids in 18 and 67 and fix some text that reference files rather than the given arrays

* fix: implement bug fixes and improvements from review

* fix: remove console.log statements from seed and solution
 2020-02-28 06:39:47 -06:00
Harsh Savergaonkar
c21c9f0acb Added meaning of ones in adjacency matrices (#37048) 
* Added meaning of ones in the matrix

* Apply suggestions from code review

Co-Authored-By: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

* fix: add slash to avoid markdown lint error

Co-authored-by: mrugesh <1884376+raisedadead@users.noreply.github.com>
Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
 2020-02-27 06:54:11 -06:00
Sanket Kogekar
1a87f1f7c0 add: solution to project euler problem 20 (#38257) 
* add: solution to project euler problem 20

* Update curriculum/challenges/english/08-coding-interview-prep/project-euler/problem-20-factorial-digit-sum.english.md

Accidentally added last line. Calling function is unnecessary in solution.

Co-Authored-By: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

* right place for starting braces

Co-Authored-By: Manish Giri <manish.giri.me@gmail.com>

* moved starting brace to previous line.

Co-Authored-By: Manish Giri <manish.giri.me@gmail.com>

Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
Co-authored-by: Manish Giri <manish.giri.me@gmail.com>
 2020-02-26 14:22:40 -05:00
srdubya
3fd336d3e9 fix(learn): correcting Hash Table Lookup Efficiency (#38130) 
A hash table provide a lookup of O(1), not O(n).
 2020-02-12 12:27:47 +05:30
Josh Soref
004b99bf8f chore: fix typos in spelling (#38100) 
* spelling: accidentally

* spelling: announce

* spelling: assembly

* spelling: avoid

* spelling: backend

* spelling: because

* spelling: claimed

* spelling: candidate

* spelling: certification

* spelling: certified

* spelling: challenge

* spelling: circular

* spelling: it isn't

* spelling: coins

* spelling: combination

* spelling: compliant

* spelling: containers

* spelling: concise

* spelling: deprecated

* spelling: development

* spelling: donor

* spelling: error

* spelling: everything

* spelling: exceed

* spelling: exist

* spelling: falsy

* spelling: faulty

* spelling: forward

* spelling: handle

* spelling: indicates

* spelling: initial

* spelling: integers

* spelling: issealed

* spelling: javascript

* spelling: length

* spelling: maximum

* spelling: minimum

* spelling: mutable

* spelling: notifier

* spelling: coordinate

* spelling: passport

* spelling: perform

* spelling: permuter

* spelling: placeholder

* spelling: progressively

* spelling: semantic

* spelling: submission

* spelling: submit

* spelling: translations

* spelling: turquoise

* spelling: visualization

* spelling: without

* spelling: registration

* spelling: representation
 2020-02-08 23:59:10 +05:30
Oliver Eyton-Williams
a7075a579c Fix: Problem 39: Integer right triangles (#38145) 
* fix: correct test and add solution

I also changed the seed to report the results of an easier example to
the user, since just evaluating the function mostly wastes time.

* fix: use a better solution

* fix: credit original author
 2020-02-08 21:09:32 +05:30
Sidtharthan A N
8cf64f2539 ProjectEuler | Update Problem statement of 002 to match projecteuler.net (#38101) 
* Correct ProjectEuler:002 definition and tests

From projecteuler.net:
By considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the even-valued terms.
Correct: take all f(n) where f(n) <= 4,000,000 and f(n) is even
Incorrect: take all f(n) where n <= 4,000,000 and f(n) is even

* Incorporate PR review suggestios to ProjectEuler 002

Reword the problem statement

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>

Co-authored-by: Tom <20648924+moT01@users.noreply.github.com>
 2020-02-07 10:09:35 -06:00
Kristofer Koishigawa
4ef445c543 feat: add styles for markdown tables and convert some HTML tables to markdown (#38126) 2020-02-07 09:47:35 +01:00
Kiara Barias
afd467f5dc Removes RSA links from English challenges (#37869) 
* RSA links deleted from challenges

* fix: remove remaining RSA links in challenges
 2020-02-07 14:46:07 +09:00
David Lau
f3a386982a Misspelling fix, add colon. (#38169) 2020-02-06 09:46:44 +01:00
Obba Paschal
8b692560e8 Fix: (Rosetta-Code) Correct the Test suite and make expression clearer (#38102) 
* Fix: Correct the Test suite and make expression clearer

* Update 24-game.english.md
 2020-02-04 07:08:32 +05:30
Dylan Cutler
15d5824795 Change n pounds to n pence in Project Euler problem 31 (#38144) 2020-01-31 15:23:15 +01:00
Ashraf Nazar
fda7fb174e fix: Correct paths in English exercises by prefixing "/" before "learn" (#38099) 
* fix: Correct paths in English exercises by prefixing "/" before "learn"

* fix(lang): Correct paths to exercises by prefixing "/" before "learn" in remaining languages
 2020-01-26 12:51:21 -06:00
Andree Amaro Gonzalez
0a0cbead58 fix(learn): Fixed tests for the create a hash table challenge (#37870) 
* fix: update create hash table's tests

* fix: update the way lookup method is declared to enable the use of this.collection in it
 2020-01-03 11:18:40 +01:00
Oliver Eyton-Williams
e4a229187e fix: speed up tests 
Either improved the algorithm or reduced the difficulty for the slowest
tests. All these pass with testProtectTimeout = 500, so should be safe
on most machines with the current timeout of 2500.
 2020-01-03 11:41:52 +05:30
Oliver Eyton-Williams
e5abfa15ad Revert "fix: stop user code after 100ms of execution" (#37965) 
This reverts commit 01b37f664f.
 2019-12-21 11:09:32 +05:30
Oliver Eyton-Williams
01b37f664f fix: stop user code after 100ms of execution (#37841) 
Co-authored-by: mrugesh <1884376+raisedadead@users.noreply.github.com>
Co-authored-by: Randell Dawson <5313213+RandellDawson@users.noreply.github.com>
Co-authored-by: Tom <20648924+moT01@users.noreply.github.com>
 2019-12-20 19:28:17 +05:30
Randell Dawson
85e7fe45d5 fix(curriculum): use object.assign to prevent overwriting prototypes if user uses class instead of function (#37648) 
* fix: use object.assign to prevent overwriting when using class

* fix: remove non-used isBinarySearchTree method
 2019-12-13 15:04:05 -06:00
Randell Dawson
a6766127cc fix(curriculum): corrected test and added solution for Create a Hash table challenge (#37582) 
* fix: corrected test and added solution

* fix: redefine hash

* fix: use defined hash

Co-Authored-By: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
 2019-12-02 17:23:56 +01:00
Randell Dawson
58ca8ddf2a fix: correct function name in test text (#37839) 2019-11-30 18:30:10 -05:00
Randell Dawson
08bbd893d3 fix: switched order of first two bst challenges (#37675) 2019-11-27 12:12:58 +01:00
Randell Dawson
c25916c9a2 fix(curriculum): changed test text to use should for Coding Interview Prep - part 2 of 2 (#37766) 
* fix: changed test text to use should

* fix: corrected typo

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>

* fix: removed extra period

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>

* fix: removed extra period

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>

* fix: removed extra period

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>

* fix: removed extra period

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>

* fix: corrected typo

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>
 2019-11-20 10:01:31 -05:00
Randell Dawson
c25fa49b5b fix(curriculum): changed test text to use should for Coding Interview Prep - part 1 of 2 (#37765) 
* fix: changed test text to use should

* fix: corrected typo

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>

* fix: corrected typo

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>

* fix: corrected typo

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>

* fix: use singular of verb

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>

* fix: changed punctuation

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>

* fix: reworded test text

Co-Authored-By: Tom <20648924+moT01@users.noreply.github.com>
 2019-11-19 20:13:45 -05:00
Mo Zargham
437ba8b103 fix(curriculum): Read-search-ask link now point to correct url as noted in the issue (#37753) 
* fix: broken Read-search-ask link now point to correct url

* fix: changed link to original forum link with more views

* fix: changed http links to correct version

* fix: link in help modal
 2019-11-19 19:54:48 -05:00