Created
September 30, 2013 03:19
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假期前小玩意,ad-hoc排序
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function shuffle(array){ | |
for(var i = array.length-1; i > 0; i--) { | |
var rnd = Math.floor(Math.random() * (i+1)); | |
var tmp = array[i]; | |
array[i] = array[rnd]; | |
array[rnd] = tmp; | |
} | |
} | |
function isInOrder(array) { | |
for(var i = 0; i < array.length-1; i++) | |
if(array[i]>array[i+1]) | |
return false; | |
return true; | |
} | |
function adhocSort(array){ | |
while(!isInOrder(array)) | |
shuffle(array); | |
return array; | |
} | |
adhocSort([3,2,1,6,7]); |
@bokeyy 就是如此啊 这算法复杂度太高了 但是不是很有趣么?
真的很有趣,搜了一下,发现已经存在的了。http://zh.wikipedia.org/wiki/Bogo%E6%8E%92%E5%BA%8F
试了试 adhocSort([3,2,1,4,5,11,12,23,24,6,23,7]); 花了43秒 ^_^
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中国好排序。不卡机就可以去买彩票。