随机生成数字————不重复地!!!

劍之飛龍☆

华丽的占沙发，LZ貌似发错区了，慢慢阅读先{/gg}

Ж纯Ж蓝Ж

不错不错,可以用在某些特殊的事件上额~谢谢楼主~拿了啊~{/cy}{/cy}

tyfrank9711

赞一个

轮回者

x = 5
y = 100
i = 10
a = []
loop do
n = rand(y-x)+x
next if a.include? n
a.push n
i -= 1
break if i <= 0
end
p a

美兽

x = 10
y = 20
n = 5

s = (x..y).to_a
a = Array.new

n.times{a << s.delete_at(rand(s.size))}

p a

yangff

a = [1,2,3,4,5,6,7,8,9,……]
b = rand(a.size)
c = a
a.delete(b)
b = rand(a.size)
e = a
a.delete(b)
return c,e

link006007

谁能写出一个不要API的GUID生成算法