https://github.com/amrani/simple_text_editor

HackerRank Coding Challenge
https://github.com/amrani/simple_text_editor

Last synced: 12 days ago
JSON representation

HackerRank Coding Challenge

• Host: GitHub
• URL: https://github.com/amrani/simple_text_editor
• Owner: amrani
• License: mit
• Created: 2017-03-20T22:31:55.000Z (almost 8 years ago)
• Default Branch: master
• Last Pushed: 2017-03-31T18:24:18.000Z (almost 8 years ago)
• Last Synced: 2024-11-05T13:24:38.670Z (about 2 months ago)
• Language: Ruby
• Size: 15.6 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
# SimpleTextEditor

This Simple Text Editor gem solves the coding challange on [HackerRank](https://www.hackerrank.com/challenges/simple-text-editor).

To experiment with that code, run `bin/console` for an interactive prompt.

To execute the rspec tests run `bundle exec rake spec`

## Installation

Add this line to your application's Gemfile:

```ruby

gem "simple_text_editor", '0.1', :git => "git://github.com/amrani/simple_text_editor.git"

```

And then execute:

    $ bundle

## Usage

Operations:

1. append(w) - Append string w to the end of s.

2. delete(k)- Delete the last k characters of s.

3. print(k)- Print the k character of s.

4. undo()- Undo the last (not previously undone) operation of type 1 or 2, reverting S to the state it was in prior to that operation.

 

Please visit the [HackerRank challenge](https://www.hackerrank.com/challenges/simple-text-editor) for details.

## Import HackerRank Test File

Open the console with `bin/console` or in an existing project.

Then run 

```ruby

SimpleTextEditor::Import::HackerRankFile.new "./path/to/input.txt"

```

##### Sample HackerRank Input

```

8

1 abc

3 3

2 3

1 xy

3 2

4 

4 

3 1

```

##### Sample HackerRank Output 

```

c

y

a

```

## License

The gem is available as open source under the terms of the [MIT License](http://opensource.org/licenses/MIT).