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Evaluate Reverse Polish Notation
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
Valid Password
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
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
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
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
LeetCode——Anagrams
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
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
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