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exercism fetch ruby pascals-triangle

Pascal's Triangle

Compute Pascal's triangle up to a given number of rows.

In Pascal's Triangle each number is computed by adding the numbers to the right and left of the current position in the previous row.

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2
3
4
5
6
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   1 1
  1 2 1
 1 3 3 1
1 4 6 4 1
# ... etc

For installation and learning resources, refer to the exercism help page.

For running the tests provided, you will need the Minitest gem. Open a terminal window and run the following command to install minitest:

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gem install minitest

If you would like color output, you can require 'minitest/pride' in the test file, or note the alternative instruction, below, for running the test file.

Run the tests from the exercise directory using the following command:

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ruby pascals_triangle_test.rb

To include color from the command line:

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ruby -r minitest/pride pascals_triangle_test.rb

Source

Pascal's Triangle at Wolfram Math World http://mathworld.wolfram.com/PascalsTriangle.html

Submitting Incomplete Solutions

It's possible to submit an incomplete solution so you can see how others have completed the exercise.