brew install gitmkdir -p ~/code/euler
cd !$
git clone git://gist.github.com/3261313.git problem_1cd ~/code/euler/problem_1
ruby 1.rb| # We're going to store number that match in here | |
| sum = 0 | |
| # Use a Range object to iterate over every number from 0 to 1000 (inclusive) | |
| (0..1000).each do |n| | |
| # Add n to the sum if n is a multiple of 5 or 3 | |
| sum += n if n % 5 == 0 || n % 3 == 0 | |
| end | |
| # Print the answer | |
| puts sum |