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google的一道面试题目大家来试下解决办法

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Release: 2016-06-13 10:20:35
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google的一道面试题目大家来试下
一道算法题,和搜索建议有关的,我搞了很久没搞出来,有能力的试下,我大致说下题目
数组A={a,b,c,d,e,f}
数组B={u,y,w,x,y,z}
输出字符串规律如下:
a
u
ab
uy
ay
ub
abc
uyw
abw
ayw
ubc
uyc
ayw
ubw
.
.
.
先找规律,再求算法, 算法语言不限





------解决方案--------------------

PHP code
$a = array('a', 'b', 'c', 'd', 'e', 'f');$b = array('u', 'y', 'w', 'x', 'y', 'z');$r = array();for($i=0; $i<count foo if return foreach as . class="clear">
                 
              
              
        
            </count>
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