Commit Graph

104 Commits

Author SHA1 Message Date
Filip Hlasek
7559610a84
fix: refactor BFS algorithm. (#990)
* Refactor BFS algorithm.

* Rename bfs.

* Align the parameter padding.

* Fix parameter padding

* Fix typo in function name.
2020-08-08 08:28:50 -04:00
Filip Hlásek
c8dfc38456 fix: linter for prim. 2020-08-07 17:52:38 -07:00
Filip Hlásek
e0b583385b Merge branch 'master' into fixgraph 2020-08-07 17:38:45 -07:00
Filip Hlasek
b36ce9a8c0
fix: linter warnings for topological_sort. (#994)
Approving for now to enable a PR that adds graph folder to the CI build system.
2020-08-07 12:52:44 -04:00
Filip Hlasek
418e876dfe
Fix linter warnings for connected_components_with_dsu. (#992) 2020-08-07 12:49:12 -04:00
Filip Hlasek
426a12da58
fix: linter warnings for topological_sort_by_kahns_algo (#993) 2020-08-07 12:40:44 -04:00
Filip Hlasek
24653d9194
fix: linter warnings for bridge finding algorithm. (#991)
* Fix linter warnings for bridge finding algorithm.

* Comment main function.
2020-08-07 12:40:04 -04:00
Filip Hlásek
5dbf857fb4 Fix global variable name in topological_sort. 2020-08-04 00:00:52 -07:00
Filip Hlásek
1f9da87c12 Fix global variable name for connected_component_with_dsu. 2020-08-03 23:57:57 -07:00
Filip Hlásek
146f1c08b5 Fix linter warnings in ford_fulkerson 2020-08-03 23:55:04 -07:00
Filip Hlásek
95227af3bc Fix linter for connected_components_with_dsu 2020-08-03 23:41:48 -07:00
Filip Hlásek
ac26555ec9 Refactor prim 2020-08-03 23:40:09 -07:00
Filip Hlásek
ef031dc8f2 Rename global variable from v to edges in kruskal. 2020-08-03 02:10:00 -07:00
Filip Hlásek
d2b7015901 Remove unused global variable from graph/kruskal. 2020-08-03 02:07:59 -07:00
Filip Hlásek
891e0dd5ca Fix linter for dfs_with_stack. 2020-08-03 02:06:20 -07:00
Filip Hlásek
6be333680f Remove unused global variable from dfs_with_stack 2020-08-03 01:50:47 -07:00
Filip Hlásek
0c10e6fee5 Fix linter for topological_sort_by_kahns_algo 2020-08-03 01:32:48 -07:00
Filip Hlásek
1c5f229b3c Refactor lowest common ancestor 2020-08-02 23:45:56 -07:00
Filip Hlásek
edf7b4db6e Merge branch 'fixgraph_fixlint' into fixgraph 2020-08-02 23:26:01 -07:00
Filip Hlásek
f1b909c8da Merge remote-tracking branch 'upstream/fixgraph' into fixgraph 2020-08-02 23:25:48 -07:00
Filip Hlásek
e2f344c498 Fix linter warnings in fixgraph branch. 2020-08-01 22:55:50 -07:00
Krishna Vedala
9eca384c79
[feature] hamilton cycle dynamic programming solution in O(2^n*n) time and memory (#972)
* hamilton cycle dynamic programming solution in O(2^n*n) time and memory for n <= 20(n is number of vertices)

* tests added in hamilton-cycle

* stylistical fixes

* endline added

* assert for tests added

* some more fixes delete replaced with delete[] and comment extended od main function

* comments added like about author

* file descriptions added in hamiltons-cycle.cpp

* fix code per standards

* fix filename per repo standards

* code optimized

* updating DIRECTORY.md

* fixes: docs + optimization

* fix pre

* update main function docs

* move file from dynamic_programming to more appropriate graph

* updating DIRECTORY.md

* fix filename

* updating DIRECTORY.md

Co-authored-by: vakhokoto <v.kotoreishvili@gmail.com>
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
2020-07-29 13:39:13 -04:00
Ayaan Khan
cbb43c90aa fix: build 2020-07-25 07:55:30 +05:30
Anmol Mittal
0b27a9e631
feat: Add BFS and DFS algorithms to check for cycle in a directed graph (#816)
* feat: Add BFS and DFS algorithms to check for cycle in a directed graph

* Remove const references for input of simple types

Reason: overhead on access

* fix bad code

sorry for force push

* Use pointer instead of the non-const reference

because apparently google says so.

* Remove a useless and possibly bad Graph constuctor overload

* Explicitely specify type of vector during graph instantiation

* Minor documentation fixes.

* Fix bad code

why did I even do this lol.

* Some more fixes to the code

* Fix a comment.

* Use map instead of unordered_map for better performance when using map.find() function and make code compatible with C++11.

* Remove copyright line.
2020-07-19 12:06:29 -04:00
Ayaan Khan
0023339182 fix: clang-tidy errors 2020-07-17 22:40:58 +05:30
Ayaan Khan
d141abaeb8
Update graph/CMakeLists.txt
Co-authored-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>
2020-07-17 21:42:28 +05:30
github-actions
eb10e84a15 formatting source-code for 530da97aec 2020-07-17 15:20:20 +00:00
Ayaan Khan
530da97aec fix: infinity 2020-07-17 20:49:00 +05:30
Ayaan Khan
54fd71569f Added CMakeLists.txt 2020-07-17 20:32:32 +05:30
github-actions
541d3bfbcf formatting source-code for 56556a81fb 2020-07-17 14:27:01 +00:00
Ayaan Khan
56556a81fb resolved merge conflict 2020-07-17 19:54:28 +05:30
Ayaan Khan
f5a35eb8cd fix: dijkstra.cpp 2020-07-17 19:52:16 +05:30
github-actions
117c8362be formatting source-code for 7adb0d8d5e 2020-07-16 15:35:37 +00:00
Ayaan Khan
7adb0d8d5e improved connected components 2020-07-16 21:04:29 +05:30
Ayaan Khan
05789603ab fix: repeated sentences 2020-06-25 15:49:30 +05:30
Ayaan Khan
5d48e651d1 Merge branch 'master' of https://github.com/ayaankhan98/C-Plus-Plus 2020-06-25 13:02:43 +05:30
Ayaan Khan
64bb640391 Wrapped example in <pre/> 2020-06-25 13:02:12 +05:30
github-actions
6980792eff formatting source-code for e6ab38c2fd 2020-06-24 22:44:37 +00:00
Ayaan Khan
e6ab38c2fd Added docs 2020-06-25 04:13:49 +05:30
Krishna Vedala
aaa08b0150
Major rework to improve code quality and add automation checks (#805)
* delete secant method - it is identical to regula falsi

* document + improvize root finding algorithms

* attempt to document gaussian elimination

* added file brief

* commented doxygen-mainpage, added files-list link

* corrected files list link path

* files-list link correction - this time works :)

* document successive approximations

* cleaner equation

* updating DIRECTORY.md

* documented kmp string search

* document brute force string search

* document rabin-karp string search

* fixed mainpage readme

* doxygen v1.8.18 will suppress out the #minipage in the markdown

* cpplint correction for header guard style

* github action to auto format source code per cpplint standard

* updated setting to add 1 space before `private` and `public` keywords

* auto rename files and auto format code

* added missing "run" for step

* corrected asignmemt operation

* fixed trim and assign syntax

* added git move for renaming bad filenames

* added missing pipe for trim

* added missing space

* use old and new fnames

* store old fname using echo

* move files only if there is a change in filename

* put old filenames in quotes

* use double quote for old filename

* escape double quotes

* remove old_fname

* try escape characters and echo"

* add file-type to find

* cleanup echo

* ensure all trim variables are also in quotes

* try escape -quote again

* remove second escpe quote

* use single quote for first check

* use carets instead of quotes

* put variables in brackets

* remove -e from echo

* add debug echos

* try print0 flag

* find command with while instead of for-loop

* find command using IFS instead

* 🎉 IFS fix worked - escaped quotes for git mv

* protetc each word in git mv ..

* filename exists in lower cases - renamed

* 🎉 git push enabled

* updating DIRECTORY.md

* git pull & then push

* formatting filenames d7af6fdc8c

* formatting source-code for d7af6fdc8c

* remove allman break before braces

* updating DIRECTORY.md

* added missing comma lost in previous commit

* orchestrate all workflows

* fix yml indentation

* force push format changes, add title to DIRECTORY.md

* pull before proceeding

* reorganize pull commands

* use master branches for actions

* rename .cc files to .cpp

* added class destructor to clean up dynamic memory allocation

* rename to awesome workflow

* commented whole repo cpplint - added modified files lint check

* removed need for cpplint

* attempt to use actions/checkout@master

* temporary: no dependency on cpplint

* formatting filenames 153fb7b8a5

* formatting source-code for 153fb7b8a5

* updating DIRECTORY.md

* fix diff filename

* added comments to the code

* added test case

* formatting source-code for a850308fba

* updating DIRECTORY.md

* added machine learning folder

* added adaline algorithm

* updating DIRECTORY.md

* fixed issue [LWG2192](https://cplusplus.github.io/LWG/issue2192) for std::abs on MacOS

* add cmath for same bug: [LWG2192](https://cplusplus.github.io/LWG/issue2192) for std::abs on MacOS

* formatting source-code for f8925e4822

* use STL's inner_product

* formatting source-code for f94a330594

* added range comments

* define activation function

* use equal initial weights

* change test2 function to predict

* activation function not friend

* previous commit correction

* added option for predict function to return value before applying activation function as optional argument

* added test case to classify points lying within a sphere

* improve documentation for adaline

* formatting source-code for 15ec4c3aba

* added cmake to geometry folder

* added algorithm include for std::max

* add namespace - machine_learning

* add namespace - statistics

* add namespace - sorting

* added sorting algos to namespace sorting

* added namespace string_search

* formatting source-code for fd69530515

* added documentation to string_search namespace

* feat: Add BFS and DFS algorithms to check for cycle in a directed graph

* Remove const references for input of simple types

Reason: overhead on access

* fix bad code

sorry for force push

* Use pointer instead of the non-const reference

because apparently google says so.

* Remove a useless and possibly bad Graph constuctor overload

* Explicitely specify type of vector during graph instantiation

* updating DIRECTORY.md

* find openMP before adding subdirectories

* added kohonen self organizing map

* updating DIRECTORY.md

* remove older files and folders from gh-pages before adding new files

* remove chronos library due to inacceptability by cpplint

* use c++ specific static_cast instead

* initialize radom number generator

* updated image links with those from CPP repository

* rename computer.... folder to numerical methods

* added durand kerner method for root computation for arbitrarily large polynomials

* fixed additional comma

* fix cpplint errors

* updating DIRECTORY.md

* convert to function module

* update documentation

* move openmp to main loop

* added two test cases

* use INT16_MAX

* remove return statement from omp-for loop and use "break"

* run tests when no input is provided and skip tests when input polynomial is provided

* while loop cannot have break - replaced with continue and check is present in the main while condition

* (1) break while loop (2) skip runs on break_loop instead of hard-break

* add documentation images

* use long double for errors and tolerance checks

* make iterator variable i local to threads

* add critical secions to omp threads

* bugfix: move file writing outside of the parallel loop
othersie, there is no gurantee of the order of roots written to file

* rename folder to data_structures

* updating DIRECTORY.md

* fix ambiguous symbol `size`

* add data_structures to cmake

* docs: enable tree view, add timestamp in footer, try clang assistaed parsing

* doxygen - open links in external window

* remove invalid parameter from function docs

* use HTML5 img tag to resize images

* move file to proper folder

* fix documentations and cpplint

* formatting source-code for aacaf9828c

* updating DIRECTORY.md

* cpplint: add braces for multiple statement if

* add explicit link to badges

* remove  duplicate line

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* remove namespace indentation

* remove file associations in settings

* add author name

* enable cmake in subfolders of data_structures

* create and link object file

* cpp lint fixes and instantiate template classes

* cpp lint fixes and instantiate template classes

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* cpplint - ignore `build/include`

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* disable redundant gcc compilation in cpplint workflow

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* template header files contain function codes as well and removed redundant subfolders

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* updating DIRECTORY.md

* remove semicolons after functions in a class

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* cpplint header guard style

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* remove semilon

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* added LU decomposition algorithm

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* added QR decomposition algorithm

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* use QR decomposition to find eigen values

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* updating DIRECTORY.md

* use std::rand for thread safety

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* move srand to main()

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* cpplint braces correction

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* updated eigen value documentation

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* fix matrix shift doc

Signed-off-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

* rename CONTRIBUTION.md to CONTRIBUTING.md #836

* remove 'sort alphabetical order' check

* added documentation check

* remove extra paranthesis

* added gitpod

* added gitpod link from README

* attempt to add vscode gitpod extensions

* update gitpod extensions

* add gitpod extensions cmake-tools and git-graph

* remove gitpod init and add commands

* use init to one time install doxygen, graphviz, cpplint

* use gitpod dockerfile

* add ninja build system to docker

* remove configure task

* add github prebuild specs to gitpod

* disable gitpod addcommit

* update documentation for kohonen_som

* added ode solve using forward euler method

* added mid-point euler ode solver

* fixed itegration step equation

* added semi-implicit euler ODE solver

* updating DIRECTORY.md

* fix cpplint issues - lines 117 and 124

* added documentation to ode group

* corrected semi-implicit euler function

* updated docs and test cases better structure

* replace `free` with `delete` operator

* formatting source-code for f55ab50cf2

* updating DIRECTORY.md

* main function must return

* added machine learning group

* added kohonen som topology algorithm

* fix graph image path

* updating DIRECTORY.md

* fix braces

* use snprintf instead of sprintf

* use static_cast

* hardcode character buffer size

* fix machine learning groups in documentation

* fix missing namespace function

* replace kvedala fork references to TheAlgorithms

* fix bug in counting_sort

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Anmol3299 <mittalanmol22@gmail.com>
2020-06-19 21:34:56 +05:30
Amit Kumar
1f07064a78
feat : find maximum flow in a graph (#791)
* feat : find maximum flow in a graph

* updated : find maximum flow in a graph

* updated name - conventions

* updated some suitable namings
2020-05-25 20:47:55 +05:30
Amit Kumar
54248a101f feat : bridge finding with tarjan algorithm 2020-05-24 11:52:29 +05:30
Aashish
77ba693cea
Create topological_sort_by_kahns_algo.cpp (#778)
* Create topological_sort_by_kahns_algo.cpp

implementation of topological sorting by kahn's algo

* Update topological_sort_by_kahns_algo

put c system headers before c++ system headers

* Update  topological_sort_by_kahns_algo.cpp

improves syntax (tabs/whitespaces etc)

* Update topological_sort_by_kahns_algo.cpp

removed errors

* Update graph/topological_sort_by_kahns_algo.cpp

improved syntax

Co-authored-by: Christian Clauss <cclauss@me.com>

* Fix indentation

* Fix include order

Co-authored-by: Christian Clauss <cclauss@me.com>
2020-05-22 16:13:50 +02:00
coderanant
d3b60e0de8 fix: dynamically allocate all arrays 2020-05-22 01:06:40 +05:30
coderanant
19be84cf58 fix bug 2020-05-22 00:49:03 +05:30
coderanant
3f87fcc4b6 feat: add algorithm to check number of components with the help of Union Find Structure 2020-05-21 23:29:52 +05:30
Himanshu Airan
17b8deec06
Create Prim.cpp (#750)
* Create Prim.cpp

Created file for Prim's Algorithm in graph that was still missing.

* Update Prim.cpp

Edited indentation part

* Update Prim.cpp

indentation updated

* Update Prim.cpp

Indentation updated

* Rename Prim.cpp to prim.cpp

Co-authored-by: Christian Clauss <cclauss@me.com>
2020-05-21 17:25:53 +02:00
Ayaan Khan
4df1a27825 Fixed cpplint errors 2020-05-18 17:11:15 +05:30
Ayaan Khan
c936a6d87e cpplint fix 2020-05-18 17:04:35 +05:30
Ayaan Khan
cd9f5cd584 somemore cpplint fixing 2020-05-18 16:57:00 +05:30
Ayaan Khan
4c6c1dbe40 cpplint fixing 2020-05-18 16:48:26 +05:30
Ayaan Khan
6392099cab Connected Components using DFS 2020-05-18 16:14:51 +05:30
stepfencurryxiao
f659bcc9fc Don't use bits/stdc++.h 2020-04-18 10:43:43 +08:00
Christian Clauss
e3bdbb9e6f
rename Graph -> graph (#649) 2019-11-28 13:30:19 +01:00