pascal.rb

## Created by Eric Schneider
def makeTriangle(rows)
  rows.times do |row| # Note this starts at 0
    print " " * (rows - row - 1)

    makeRow(row + 1).each do |n|
      print "#{n} "
    end

    puts
  end
end

def makeRow(row)
  if row == 1
    [1]
  else
    oldRow = makeRow(row - 1)

    newRow = [1]

    (oldRow.length - 1).times do |i|
      newRow.push(oldRow[i] + oldRow[i + 1])
    end

    newRow.push(1)
  end
end

makeTriangle(10)

"Program Complete"