pentesting 101

1. Title Description: Click to open the link2. Problem-Solving ideas: First s1,s2 stitching together, and then check the concatenation of the string length len is the same as the length of S len2, if the same, the two strings in accordance with the dictionary order, comparison, if each bit is the same, output yes.3. Code:#define _crt_secure_no_warnings#include Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced. #

idea is simple, first determine the starting point: The total number of points with odd degrees is 0, and any point is selected as the starting point; The total number of points with odd degrees is 2, and a point in any of the two points is the starting point; In other cases there is no solution. The next is to write the Euler pathway, before a noip on a reference to see a DFS version, press it to write again, always WA, and later found that his method seems to have a prob

Notoginsengprintf"%d:", i); - for(intj=0; J) theprintf"%d", Pile[i][j]); +printf"\ n"); A } the } + intMain () - { $ intb; $scanf"%d",n); - strings1,s2; - for(intI=0; i) the Pile[i].push_back (i); - while(cin>>s1>>a>>s2>>b)Wuyi { the intPA,PB,HA,HB; - Find_block (a,pa,ha); Wu Find_block (B,PB,HB); - if(pa=pb) About Continue; $ if(s2=="onto") - Clear_above (PB,HB); - if(s1=="Move") - Clear_above (pa,ha); A Pile_onto (

Links: https://leetcode.com/problems/symmetric-tree/This question is to determine whether a binary tree is a symmetric binary tree, just beginning to think that the middle sequence traversal output, and then see if it is a string of words back, but this idea is wrong, such as [1,2,3,#,3,#,2].The code is as follows:By judging the left child's Zuozi and right child's right subtree and left child's right sub-tree and right child's ZuoziClass Solution {public: bool Isjudging (TreeNode *nodeleft,

https://oj.leetcode.com/problems/symmetric-tree/http://blog.csdn.net/linhuanmars/article/details/23072829/***definitionforbinarytree*publicclasstreenode{ *intval;*TreeNodeleft; *treenoderight;*treenode (int NBSP;X) {val=x;}*}*/publicclasssolution{ publicbooleanissymmetric (treenoderoot) {if (root==null| | (Root.left==nullroot.right==null) returntrue; returnhelp (Root.left, root.right); } //dfsprivatebooleanhelp ( TREENODENBSP;L,NBSP;TREENODENBSP;R) { if (l==nullr==null) returntrue;if (L==nu

Divide 101 coins into three heaps, 50 for the two, and the other 1. 50 heap items, if the weight is equal.It indicates that the counterfeit currency is the sameTake a real coin and compare it with the counterfeit coin to determine which coin is heavier. If the weight is not equal, it means that the remaining coin is true, and then there is a false one in the two piles of 50, and the balance is not balanced.Using a real coin is obviously different

Let's talk about: In fact, this question is not very difficult, but complicated. First, the question is probably like this. At the beginning, there were several numbered boxes. Then there are a total of four operations: MoveAOntoBFirst, the boxes numbered A and B are returned to the initial position, and then a is placed on B. MoveAOverBReturn the initial position of the box on a and place a on the heap of the box where B is located. PileAOntoB, Return the initial position of the box on B, and

manipulations in the block world. Any command in which a = b or in which a and b is in the same stack of blocks was an illegal command. All illegal commands should is ignored and should has no affect on the configuration of blocks.The InputThe input begins with an integerNOn a line by itself representing the number of blocks in the block world. Assume that0 NThe number of blocks is followed by a sequence of block commands and one command per line. Your program should process all comman

NSString *urlstr = [NSString stringwithformat:@ "%@?uid=%@uname=%@", Kquestionnaireurl,model.idstr,model.real_ NAME];URLSTR = [Urlstr stringbyaddingpercentescapesusingencoding:nsutf8stringencoding]; Nsurl *url = [Nsurl urlwithstring:urlstr]; Nsurlrequest *request = [[Nsurlrequest alloc] initwithurl:url]; [WebView Loadrequest:request];WebView cannot load a Chinese URL, transcoding can be compiledIos:error Domain=webkiterrordomain code=101 "The operatio

Title Description:Given a binary tree, check whether it is a mirror of the itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / 2 2/\/3 4 4 3But the following are not: 1 / 2 2 \ 3 3Problem Solving Ideas:Recursive methodThe code is as follows:/** * Definition for a binary tree node. * public class TreeNode {* int val, * TreeNode left, * TreeNode right; * TreeNode (int x) {val = x;} *} */public class Solution {publi

Source of the topic:https://leetcode.com/problems/symmetric-tree/ Test Instructions Analysis:Determine if a tree is a mirror tree. Topic Ideas:The left subtree is judged to be the same as the right-left subtree of the right sub-tree. Code (Python):　　#Definition for a binary tree node.#class TreeNode (object):#def __init__ (self, x):#self.val = x#self.left = None#self.right = Noneclasssolution (object):defissymmetric (self, root):""": Type Root:TreeNode:rtype:bool""" defS

appears above the current Input Method window.public static final int type_input_method_dialog= First_system_window +12;Wallpaper window. public static final int type_wallpaper = First_system_window +13;Slide panel of the status bar. public static final int type_status_bar_panel = First_system_window +14;The system window ends. public static final int last_system_window = 2999;Case implementation Controls screen brightness:1 Private void setscreenbrightness (int paramint) {2 Window Localwindow

value of the Value property on the S object A Char[] Value = (Char[]) valuefieldofstring.get (s); - //Change the 5th character in the array referenced by value -Value[5] = ' _ '; theSystem.out.println ("s =" + s);//Hello_world -}The printing results are as follows:1 s = HelloWorld2 s = Hello_worldIn this process,s always refers to the same string object , but before and after the reflection, the string object has changed, that is to say, by reflection, the so-called immutable object can

Codeforces 101 B. Buses This is a good question, but I did not calculate the problem at the beginning, so I ran away from my mind. N, m. M indicates that you have a bus in m, and each type of bus can only go from si to ti. ask you how many solutions can you choose to go from 0 to n. Note that you can only take a bus. For verti, all schemes are the sum of the previous si to ti-1 schemes. This is easy, but the data needs to be discretization and then th

Cocos2d-x 101 encounter/directory1. Installation and environment setup-xcode2 Scenes, Director, Layers, Sprites3. Create an image menu4. Create a new scenario on HelloWorld5. Add a sprite.5.1 scale down sprite and display it completely6 action, mobile sprite3.0 Click Event, CCTouchDelegate has been disabled8 use the touch event mobile genie 5. Add a sprite. In the second scenario, the bool CMyFirstScene: init () function is added at the end. auto

Cocos2d-x 101 encounter/directory1. Installation and environment setup-xcode2 Scenes, Director, Layers, Sprites3. Create an image menu4. Create a new scenario on HelloWorld5. Add a sprite.5.1 scale down sprite and display it completely6 action, mobile sprite3.0 Click Event, CCTouchDelegate has been disabled8 use the touch event mobile genie 1. Installation and environment setup-xcode Use cocos2d-x in xcode 1. Download and create a project download a

Content is the most valuable part of a website. The only purpose of a user's access to your website is to obtain valuable content, rich content, and accurate content, the constantly updated content is three elements of a successful website. Of the 101 metrics of the perfect website, 23 are about content. We put the content first. In fact, you should focus 80% on the content, the 23 content indicators are: Rich Content It is hard to imagine the disapp

Setonslidingmenulistener (Onslidingmenulistener listener) { This.onslidingmenulistener = listener;} protected int mlayoutid;public basemenufragment (int layout_id) {mlayoutid = layout_id;} @Overridepublic View Oncreateview (layoutinflater inflater, ViewGroup container, Bundle savedinstancestate) {Mcontext = Getactivity (); MView = Inflater.inflate (Mlayoutid, null); return mView;} @Overridepublic void Onlistitemclick (ListView lv, View v, int position, long id) {if (Onslidingmenulistener! = nul

-line shell to get root-level access. The way sudo -s to do this is to enter it first and then type your password.Tips for other command-line tips Enter open . the command to open the current location with the Finder. In Terminal's preferences you can set its appearance and style. To abort a wrong or crazy command, you can use the combo key control + C. You can edit the command before executing, just use the arrows and other letters on the keyboard. If you do not enter

Follow up "Delete duplicate numbers":What happens if two repetitions can be allowed?From post-processingclassSolution { Public: /** * @param a:a List of integers * @return: return an integer*/ intRemoveDuplicates (vectorint> nums) { //Write your code here for(intI=nums.size ()-1; i>=2; i--) { if((nums[i]==nums[i-1]) (nums[i]==nums[i-2]) {nums.erase (Nums.begin () )+i); } } returnnums.size (); }};Lintcode