Begin forwarded message: > From: "Dana Gray" <dgray / advancefoodcompany.com> > Date: June 26, 2006 4:43:33 PM CDT > To: <submission / rubyquiz.com> > Subject: Please Forward: Ruby Quiz Submission > > > > rows = ARGV[0].to_i > triangle = [] > if rows >= 1 > triangle.push([1]) > end > if rows >= 2 > triangle.push([1, 1]) > end > last_row = [1, 1] > > count = 3 > while count <= rows > next_row = [1] > index = 0 > while index < last_row.length - 1 > next_row.push last_row[index]+last_row[index + 1] > index = index + 1 > end > next_row.push(1) > triangle.push(next_row) > last_row = next_row > count = count + 1 > end > > number_length = last_row[last_row.length / 2].to_s.length > triangle_length = last_row.length * number_length + last_row.length > - 1 > triangle.each do |row| > final_row = [] > row.each do | number| > final_row.push(number.to_s.center(number_length)) > end > puts final_row.join(' ').center(triangle_length) > end > > Work like you don't need the money, > Love Like you've never been hurt, > Dance Like nobody's watching. > >