class Sanjiao |
def initialize(row) |
@row = row |
end |
def sanjiaoxing(temp) |
number = temp.length |
temp. each do |x| |
print x.to_s+ ' ' |
end |
array = Array . new (number.to_i+ 1 ) |
0 .upto(number.to_i) do |x| |
if x == 0 # 两端的就不用求了, |
array[ 0 ] = 1 |
elsif x == number.to_i |
array[number.to_i] = 1 |
else |
array[x]=temp[x- 1 ].to_i+temp[x].to_i #根据上一个数组的结果得下一数组的值 |
end |
end |
temp = array #hauncunyixia |
puts " " |
if number.to_i < @row |
sanjiaoxing(temp) |
end |
end |
end |
temp = Array . new ( 1 ) |
temp[ 0 ] = 1 |
p = Sanjiao. new ( 20 ) |
p.sanjiaoxing(temp) |