зеркало из https://github.com/github/ruby.git
48 строки
1001 B
Ruby
48 строки
1001 B
Ruby
#from http://www.bagley.org/~doug/shootout/bench/lists/lists.ruby
|
|
|
|
NUM = 300
|
|
SIZE = 10000
|
|
|
|
def test_lists()
|
|
# create a list of integers (Li1) from 1 to SIZE
|
|
li1 = (1..SIZE).to_a
|
|
# copy the list to li2 (not by individual items)
|
|
li2 = li1.dup
|
|
# remove each individual item from left side of li2 and
|
|
# append to right side of li3 (preserving order)
|
|
li3 = Array.new
|
|
while (not li2.empty?)
|
|
li3.push(li2.shift)
|
|
end
|
|
# li2 must now be empty
|
|
# remove each individual item from right side of li3 and
|
|
# append to right side of li2 (reversing list)
|
|
while (not li3.empty?)
|
|
li2.push(li3.pop)
|
|
end
|
|
# li3 must now be empty
|
|
# reverse li1 in place
|
|
li1.reverse!
|
|
# check that first item is now SIZE
|
|
if li1[0] != SIZE then
|
|
p "not SIZE"
|
|
0
|
|
else
|
|
# compare li1 and li2 for equality
|
|
if li1 != li2 then
|
|
return(0)
|
|
else
|
|
# return the length of the list
|
|
li1.length
|
|
end
|
|
end
|
|
end
|
|
|
|
i = 0
|
|
while i<NUM
|
|
i += 1
|
|
result = test_lists()
|
|
end
|
|
|
|
result
|