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Telephone Number
ProblemPrint all valid phone numbers of length n subject to following constraints:If a number contains a 4, it should start with 4No two consecutive d...
分类:其他好文   时间:2014-11-21 06:54:39    阅读次数:149
sas数据读取详解 四种读取数据方式以及数据指针的位置 、读取mess data的两个小工具、特殊的读取技巧、infile语句及其选项(dsd dlm missover truncover obs firstobs)、proc import、自定义缺失值
(The record length is the number of characters, including spaces, in a data line.) If your data lines are long, and it looks like SAS is not reading a...
分类:其他好文   时间:2014-11-20 23:31:05    阅读次数:1331
Evaluate Reverse Polish Notation
Evaluate Reverse Polish NotationEvaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may ...
分类:其他好文   时间:2014-11-20 20:11:18    阅读次数:177
【leetcode】Valid Sudoku (easy)
题目:就是判断已有的数字是否冲突无效,若无效返回flase 有效返回true 不要求sudo可解用了char型的数字,并且空格用‘.'来表示的。思路:只要分别判断横向 竖向 3*3小块中的数字是否有重复或者无效就可以了 就是单纯的麻烦 不难#include#includeusing namespac...
分类:其他好文   时间:2014-11-20 13:24:15    阅读次数:160
uva 12299 RMQ with Shifts (简单线段树)
传送门:点击打开链接 题目大意: 对一个数组有2种操作。 1:左移,将给定的几个位置左移。 2:求区间最小值。 解题思路: 左移。。。呵呵 么见过。怎么搞。再读读题。然后惊讶的发现。Each operation is formatted as a string having no more than 30 characters 那就好办了。弄成单点更新就OK了!...
分类:其他好文   时间:2014-11-19 18:47:17    阅读次数:148
Yum出错Error: Cannot find a valid baseurl for repo: base
centos yum 错误 Error: Cannot find a valid baseurl for repo: addons 装了个CentOS 6.5,使用yum时出现了下面的错误提示。 [root@localhost ~]# yum install lrzsz Loaded plugins: fastestmirror Determining fastest mirrors Co...
分类:Web程序   时间:2014-11-19 16:07:35    阅读次数:223
Q1:Valid Parentheses
Question:Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.The brackets must close...
分类:其他好文   时间:2014-11-19 10:33:46    阅读次数:142
Android - Telephony API 1.6
SignalStrength :1.publicintgetGsmSignalStrength() :GSM Signal Strength, valid values are (0-31, 99) as defined in TS 27.007 8.52.publicintgetGsmBitErr...
分类:移动开发   时间:2014-11-19 10:25:30    阅读次数:196
[Leetcode][JAVA] Valid Palindrome
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: Pana...
分类:编程语言   时间:2014-11-19 07:08:44    阅读次数:197
Longest Substring Without Repeating Characters
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. Fo...
分类:其他好文   时间:2014-11-19 01:35:20    阅读次数:199
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