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LeetCode: Valid Anagram
题目:给定两个字符串s和t,写出一个程序判断s是否为t的回文字符串。例:s=”anagram”, t=”nagaram” 返回trues=”car”, t=”ant” 返回false解题思路1:使用sorted函数,将字符串排序,如:sorted(s)=[‘a’,’a’,’a’,’g’,’m’,’n’,’r’],sorted(t)=[‘a’,’a’,’a’,’g’,’m’,’n’,’r’]代码1:...
分类:其他好文   时间:2016-05-06 12:47:46    阅读次数:144
36. Valid Sudoku
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分类:其他好文   时间:2016-05-04 10:37:15    阅读次数:124
[LeetCode]题解(python):098 Validate Binary Search Tree
题目来源 https://leetcode.com/problems/validate-binary-search-tree/ Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST ...
分类:编程语言   时间:2016-05-03 20:10:18    阅读次数:204
2016 省热身赛 Valid Pattern Lock
Valid Pattern Lock Time Limit:2000MS Memory Limit:65536KB 64bit IO Format:%lld & %llu Valid Pattern Lock Description Pattern lock security is generall ...
分类:其他好文   时间:2016-05-03 00:16:13    阅读次数:238
模拟3
ID Origin Title 6 / 12 Problem A ZOJ 3860 Find the Spy 6 / 27 Problem B ZOJ 3861 Valid Pattern Lock Problem C ZOJ 3862 Intersection 0 / 1 Problem D ZO ...
分类:其他好文   时间:2016-05-02 21:29:07    阅读次数:393
LeetCode-Valid Parentheses
这一题是典型的使用压栈的方式解决的问题,题目中还有一种valid情况没有说明,需要我们自己考虑的,就是"({[]})"这种层层嵌套但 可以完全匹配的,也是valid的一种。解题思路是这样的:我们对字符串S中的每一个字符C,如果C不是右括号,就压入栈stack中。 如果C是右括号,判断stack是不是 ...
分类:其他好文   时间:2016-04-29 23:49:58    阅读次数:366
验证字符串中是否还有其他字符 swift
let words = ["ss","aa","bb","ddd"] let tweet = "this is an example tweet larking about swift sad" let valid = !words.filter({tweet.containsString($0)} ...
分类:编程语言   时间:2016-04-29 14:19:34    阅读次数:165
leetcode-Restore IP Addresses
Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example: Given "25525511135", return [" ...
分类:其他好文   时间:2016-04-24 14:21:35    阅读次数:193
leetcode-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: Pa ...
分类:其他好文   时间:2016-04-24 14:07:35    阅读次数:170
Leetcode 详解(Valid Number)
Validate if a given string is numeric. Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => false"2e10" => true 解决方案: 注:e9 -> false ; 1. -> ...
分类:其他好文   时间:2016-04-23 08:59:15    阅读次数:160
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