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Valid Parentheses
为了在运行中避免可能出现的危险,即当string emuStack为空,emuStack.begin()和emuStack.end()是什么。采取的策略是先将emuStack重置为非空,再进行其他操作,这样就永远不可能碰到底部。 #include #include using namespace std; class Solution { public: bool isValid(st...
分类:其他好文   时间:2015-06-06 09:18:14    阅读次数:108
Leetcode题解(2):L93/Restore IP Addresses
L93: Restore IP Addresses   Given a string containing only digits, restore it by returning all possible valid IP address combinations.For example: Given “25525511135”,return [“255.255.11.135”, “255.2...
分类:其他好文   时间:2015-06-05 22:43:06    阅读次数:154
LeetCode:Valid Palindrome(need update)
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:其他好文   时间:2015-06-05 21:00:56    阅读次数:109
leetcode 20 -- Valid Parentheses
Valid Parentheses 题目: Given a string containing just the characters ‘(‘, ‘)’, ‘{‘, ‘}’, ‘[’ and ‘]’, determine if the input string is valid. The brackets must close in the correct order, “()”...
分类:其他好文   时间:2015-06-05 14:07:10    阅读次数:117
屏幕手势向导页面---愿好心人来解决BUG
此Demo有一个奇葩的bug 06-05 12:50:44.955: E/AndroidRuntime(16374): Caused by: android.view.WindowManager$BadTokenException: Unable to add window -- token android.os.BinderProxy@41d0c028 is not valid; is you...
分类:其他好文   时间:2015-06-05 14:02:33    阅读次数:134
Java for LeetCode 150 Evaluate Reverse Polish Notation
Evaluate the value of an arithmetic expression in Reverse Polish Notation.Valid operators are +, -, *, /. Each operand may be an integer or another ex...
分类:编程语言   时间:2015-06-05 11:34:10    阅读次数:147
【Word Break II】cpp
题目:Given a stringsand a dictionary of wordsdict, add spaces insto construct a sentence where each word is a valid dictionary word.Return all such poss...
分类:其他好文   时间:2015-06-05 08:44:54    阅读次数:115
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