├── C └── README.md ├── README.md ├── C++ └── README.md ├── Java └── README.md ├── Python └── README.md ├── Systems-Design └── README.md ├── Data-Science ├── Theory │ └── README.md ├── Probability │ └── README.md └── Statistics │ └── README.md ├── Data-Structures ├── Heaps │ └── README.md ├── Trees │ └── README.md ├── Graphs │ └── README.md ├── Hash-Tables │ └── README.md ├── Linked-Lists │ └── README.md └── Stacks-Queues │ └── README.md ├── Algorithms ├── Divide-and-Conquer │ └── README.md ├── Dynamic-Programming │ └── README.md ├── Greedy-Algorithms │ └── README.md └── Randomized-Algorithms │ └── README.md ├── LICENSE └── .gitignore /C/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /C++/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Java/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Python/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Systems-Design/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Data-Science/Theory/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Data-Structures/Heaps/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Data-Structures/Trees/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Data-Science/Probability/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Data-Science/Statistics/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Data-Structures/Graphs/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Algorithms/Divide-and-Conquer/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Algorithms/Dynamic-Programming/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Algorithms/Greedy-Algorithms/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Data-Structures/Hash-Tables/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Data-Structures/Linked-Lists/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Data-Structures/Stacks-Queues/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /Algorithms/Randomized-Algorithms/README.md: -------------------------------------------------------------------------------- 1 | # HHCodingInterviewPrep 2 | Preparation for coding interviews 3 | 4 | Please create a pull request and branch off of master, when adding a new file, create a PR, we'll review, make changes and then merge to master. 5 | Let's try to make this repo helpful to everyone. 6 | 7 | Also, if you've been asked a question that is protected by NDA, please be careful while posting it here, we don't want you to get into trouble for helping people. 8 | If you do want to post an NDA question, please state it in your branch, we'll morph the question and repost it. 9 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2016 Pranav Subramani 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Byte-compiled / optimized / DLL files 2 | __pycache__/ 3 | *.py[cod] 4 | *$py.class 5 | 6 | # C extensions 7 | *.so 8 | 9 | # Distribution / packaging 10 | .Python 11 | env/ 12 | build/ 13 | develop-eggs/ 14 | dist/ 15 | downloads/ 16 | eggs/ 17 | .eggs/ 18 | lib/ 19 | lib64/ 20 | parts/ 21 | sdist/ 22 | var/ 23 | *.egg-info/ 24 | .installed.cfg 25 | *.egg 26 | 27 | # PyInstaller 28 | # Usually these files are written by a python script from a template 29 | # before PyInstaller builds the exe, so as to inject date/other infos into it. 30 | *.manifest 31 | *.spec 32 | 33 | # Installer logs 34 | pip-log.txt 35 | pip-delete-this-directory.txt 36 | 37 | # Unit test / coverage reports 38 | htmlcov/ 39 | .tox/ 40 | .coverage 41 | .coverage.* 42 | .cache 43 | nosetests.xml 44 | coverage.xml 45 | *,cover 46 | .hypothesis/ 47 | 48 | # Translations 49 | *.mo 50 | *.pot 51 | 52 | # Django stuff: 53 | *.log 54 | local_settings.py 55 | 56 | # Flask stuff: 57 | instance/ 58 | .webassets-cache 59 | 60 | # Scrapy stuff: 61 | .scrapy 62 | 63 | # Sphinx documentation 64 | docs/_build/ 65 | 66 | # PyBuilder 67 | target/ 68 | 69 | # IPython Notebook 70 | .ipynb_checkpoints 71 | 72 | # pyenv 73 | .python-version 74 | 75 | # celery beat schedule file 76 | celerybeat-schedule 77 | 78 | # dotenv 79 | .env 80 | 81 | # virtualenv 82 | venv/ 83 | ENV/ 84 | 85 | # Spyder project settings 86 | .spyderproject 87 | 88 | # Rope project settings 89 | .ropeproject 90 | --------------------------------------------------------------------------------