$a="asdfghjklqwe"$b=$nullforeach ($_ in ("$a".length-1)..0){$b +=$a[$_]}$b$a="asdfghjklqwe"$b = $a.ToCharArray()[array]::Reverse($b)$b -join ''
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其他好文 时间:
2014-08-25 16:47:54
阅读次数:
153
总结:其实就是反转链表。不过是反转中间一部分。要注意的是保存第一个结点的前继的指针; 若第一个结点是头结点,注意反转子串的尾结点变为头结点。
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其他好文 时间:
2014-08-25 01:07:43
阅读次数:
198
class Solution {private: vector nodes;public: void recoverTree(TreeNode *root) { nodes.clear(); dfs(root); // 1 5 3 4 2 6 7...
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其他好文 时间:
2014-08-25 01:07:23
阅读次数:
329
TreeTime Limit: 5000MSMemory Limit: 131072KTotal Submissions: 3836Accepted: 1088DescriptionYou are given a tree with N nodes. The tree’s nodes are num...
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其他好文 时间:
2014-08-25 01:06:53
阅读次数:
313
Add Two Numbers
Total Accepted: 20255 Total
Submissions: 88115My Submissions
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order a...
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其他好文 时间:
2014-08-23 21:40:01
阅读次数:
200
Description
A tree is a well-known data structure that is either empty (null, void, nothing) or is a set of one or more nodes connected by directed edges between nodes satisfying the following proper...
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其他好文 时间:
2014-08-23 17:46:41
阅读次数:
218
Remove Duplicates from Sorted List II
Total Accepted: 17137 Total
Submissions: 69046My Submissions
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only d...
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其他好文 时间:
2014-08-23 14:00:40
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187
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list.For example,Given 1->2-...
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其他好文 时间:
2014-08-22 22:22:09
阅读次数:
233
一、统计信息相关命令的变化
有关集群状态cluster_state, 节点信息nodes_info, 节点统计信息nodes_stats和索引信息indices_stats命令格式进行了统一,比如查看集群信息使用命令:
curl -XGET http://localhost:9200/_cluster/state/nodes?pretty=1
查看节点统计信息:
curl ...
Example 1: Write a function to reverse a string.Example Java code: public static String reverse ( String s ) { int length = s.length(), last =length ....
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其他好文 时间:
2014-08-22 19:42:59
阅读次数:
236