题目描述:Givennnon-negative integersa1,a2, ...,an, where each represents a point at coordinate (i,ai).nvertical lines are drawn such that the two endpoint...
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其他好文 时间:
2014-09-30 00:30:11
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211
Snippets—the few lines of text that appear under every search result—are designed to give users a sense for what’s on the page and why it’s relevant to their query. If?Google understands the ...
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其他好文 时间:
2014-09-29 18:37:31
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316
lua 中pairs 和 ipairs区别
标准库提供了集中迭代器,包括迭代文件每行的(io.lines),迭代table元素的(pairs),迭代数组元素的(ipairs),迭代字符串中单词的
(string.gmatch)等等。LUA手册中对与pairs,ipairs解释如下:
ipairs (t)
Returns three values: an ite...
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其他好文 时间:
2014-09-29 13:32:41
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222
Problem Description
Think about a plane:
● One straight line can divide a plane into two regions.
● Two lines can divide a plane into at most four regions.
● Three lines can divide a plane int...
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其他好文 时间:
2014-09-28 01:35:10
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361
man grep
grep searches the named input FILEs (or standard input if no files are named, or if a single hyphen-minus (-) is given as file name) for lines containing a match to the given PATT...
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其他好文 时间:
2014-09-25 12:05:58
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195
枚举角度DFS。。。。
Lines
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)
Total Submission(s): 479 Accepted Submission(s): 140
Problem Description
You p...
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其他好文 时间:
2014-09-25 00:11:27
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247
-----QUESTION-----
Given n non-negative integers a1, a2,..., an,where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of line i is at (i, ai)and (i,0). Find two lines, which together with x-axis forms ...
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其他好文 时间:
2014-09-24 20:39:27
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218
-eq等于-ne不等于-gt大于-ge大于等于-lt小于-le小于等于seq130从1到30的数字touch-mt201003030303.03$Dir修改目录的时间格式stat/tmp/1.dir查看修改时间LINES=`grep‘^#‘$file|wc-l`echo"$file:$LINES"//可以用多个变量取结果要用``赋值给变量catfile.txt|tr-s‘\n‘将多个连续的..
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其他好文 时间:
2014-09-24 04:22:36
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234
每天一个JavaScript实例-去除字符串末尾的空白
function white(){
var input = document.getElementById("inputid");
var lines = input.value.split("\n");
var resultString = "";
for (var i = 0; i < lines.length; i++){
va...
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编程语言 时间:
2014-09-22 14:11:19
阅读次数:
188