Evaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another express...
分类:
其他好文 时间:
2014-11-21 12:15:28
阅读次数:
149
ProblemIn 1-9 keypad one key is not working. If someone enters a password then not working key will not be entered. You have given expected password a...
分类:
其他好文 时间:
2014-11-21 06:58:11
阅读次数:
197
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
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
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
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
Given an array of strings, return all groups of strings that are anagrams.
Note: All inputs will be in lower-case.
原题链接:https://oj.leetcode.com/problems/anagrams/
易位构词游戏的英文词汇是 anagram,这个词来源于有...
分类:
其他好文 时间:
2014-11-19 11:24:01
阅读次数:
170
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
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
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