#!/usr/bin/ruby
n =
25
data =
Array
.
new
(
n
)
{
|
i
|
i
}
;
n.
times
do
|
i
|
from =
rand
(
n
-
i
)
+
i
data
[
i
]
, data
[
from
]
= data
[
from
]
, data
[
i
]
end
puts
data.
inspect