BlogJava-小明思考-最新评论http://www.blogjava.net/sandy/CommentsRSS.aspxJust a software engineerzh-cnSun, 23 Jun 2013 02:26:55 GMTSun, 23 Jun 2013 02:26:55 GMTcnblogsre: 子序列计数http://www.blogjava.net/sandy/archive/2013/06/12/398467.html#400494初学者：阿古初学者：阿古Wed, 12 Jun 2013 15:56:00 GMThttp://www.blogjava.net/sandy/archive/2013/06/12/398467.html#4004947.字符串String str = “ABCDEABCDABC”;定义一个方法query，8.该方法算出该字符串中每一个字符的个数，9.打印格式如：
A——3
B——3
C——3
D——2
E——1


初学者：阿古 2013-06-12 23:56 发表评论
]]>re: 交叉字符串[未登录]http://www.blogjava.net/sandy/archive/2013/05/15/398754.html#399317wangwangWed, 15 May 2013 10:57:00 GMThttp://www.blogjava.net/sandy/archive/2013/05/15/398754.html#399317

wang 2013-05-15 18:57 发表评论
]]>re: 交叉字符串http://www.blogjava.net/sandy/archive/2013/05/13/398754.html#399204javanewerjavanewerMon, 13 May 2013 03:23:00 GMThttp://www.blogjava.net/sandy/archive/2013/05/13/398754.html#399204这一句什么作用？

javanewer 2013-05-13 11:23 发表评论
]]>re: 交叉字符串http://www.blogjava.net/sandy/archive/2013/05/12/398754.html#399182tbtbSun, 12 May 2013 13:09:00 GMThttp://www.blogjava.net/sandy/archive/2013/05/12/398754.html#399182

tb 2013-05-12 21:09 发表评论
]]>re: 交叉字符串http://www.blogjava.net/sandy/archive/2013/05/11/398754.html#399138开发吧开发吧Sat, 11 May 2013 02:19:00 GMThttp://www.blogjava.net/sandy/archive/2013/05/11/398754.html#399138

开发吧 2013-05-11 10:19 发表评论
]]>re: 包围的区域http://www.blogjava.net/sandy/archive/2013/04/22/397875.html#398222小明小明Mon, 22 Apr 2013 10:05:00 GMThttp://www.blogjava.net/sandy/archive/2013/04/22/397875.html#398222
谢谢，确实，我想复杂了


小明 2013-04-22 18:05 发表评论
]]>re: 包围的区域http://www.blogjava.net/sandy/archive/2013/04/22/397875.html#398189cintanacintanaMon, 22 Apr 2013 02:43:00 GMThttp://www.blogjava.net/sandy/archive/2013/04/22/397875.html#398189

cintana 2013-04-22 10:43 发表评论
]]>re: 有点难度的java笔试题[未登录]http://www.blogjava.net/sandy/archive/2013/04/18/390916.html#398009HarryHarryThu, 18 Apr 2013 02:19:00 GMThttp://www.blogjava.net/sandy/archive/2013/04/18/390916.html#398009

Harry 2013-04-18 10:19 发表评论
]]>re: 有点难度的java笔试题http://www.blogjava.net/sandy/archive/2013/04/18/390916.html#398002小明小明Thu, 18 Apr 2013 01:32:00 GMThttp://www.blogjava.net/sandy/archive/2013/04/18/390916.html#398002
The answer of question is b

b) If user doesn’t specify classpath, the JVM search the class from the current folder by default.

JVM doesn't search the class from the current folder by default.


小明 2013-04-18 09:32 发表评论
]]>re: 回文字符串的切割问题[未登录]http://www.blogjava.net/sandy/archive/2013/04/17/397689.html#397964HarryHarryWed, 17 Apr 2013 04:39:00 GMThttp://www.blogjava.net/sandy/archive/2013/04/17/397689.html#397964 def isPelindrome(l:String):Boolean = {
val fhalf = l.take(l.length/2)
val shalf = l.takeRight(l.length/2).reverse
if (fhalf==shalf) true else false
}
def minCut(s:String,partition:Int):Int = {
val ss = s.take(partition)
val ts = s.takeRight(s.length - partition)
if (isPelindrome(ss)&&isPelindrome(ts)) 1 else 0
}
def main(args: Array[String]): Unit = {
val stime = System.currentTimeMillis()
val t = {for (i <- 1 to 14000) yield "a"}.foldLeft(""){case (c,s)=> s+c}
val r = for (i <- 1 to t.size) yield minCut(t,i)
println(r.sum)
println(System.currentTimeMillis() - stime)
}

}

result: 14,000 "a", takes 2669 ms

Harry 2013-04-17 12:39 发表评论
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