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Some rooms have three operations: one is continuous room occupancy, and the other is continuous room vacancy, the third is to ask how long the longest consecutive room is.Idea: it is obviously the question of the Line Segment tree. lazy thought is used in the middle. A difficult question, which requires careful consideration. The key to this question is that after lazy is used to update down, the information of the parent node needs to be changed based on the information of the child node. That

In the VC6.0 platform, through the C language and Easyx graphics library to write the greedy snake games, in order to use the graphics library function, the file is a. cpp file, using the C language, the game has a background music, code length of 500 lines, code and algorithms, are my own source, to share with interested friends to see. Source: #include #include #include #include #include #define MaxLen 30#define MAXFOD 6#define EROR 1#define OK 0#pragma comment (lib, "Winmm.lib")Enum directio

[Root_start_block_pos]; function log function Getint4d ($data, $pos) { $value = Ord ($data [$pos]) | (Ord ($data [$pos +1]) if ($value gt;=4294967294) { $value =-2; } return $value; } Class Oleread { var $data = '; function Oleread () { } function Read ($sFileName) { Check if file exist and is readable (Darko Miljanovic) if (!is_readable ($sFileN

);}function RemoveAttribute ($name) {$this-gt;__set ($name, null);}function getElementById ($id) {return $this-gt;find ("# $id", 0);}function GetElementsById ($id, $idx =null) {return $this-gt;find ("# $id", $IDX);}function Getelementbytagname ($name) {return $this-gt;find ($name, 0);}function getElementsByTagName ($name, $idx =null) {return $this-gt;find ($name, $IDX);function ParentNode () {return $this-gt;parent ();}function ChildNodes ($idx =-1) {return $this-gt;children ($IDX);}function Fir

data item structure is saved in the Linux list, which can be accessed by the Hlist_entry macro through Hlist_head members to the node data that is its owner.2> Interface:Hlist_entry (Ptr,type,member)Ptr:ptr is a pointer to the Hlist_head member in the data structure that stores the address value of the linked list in the data structure.? Type: Is the type of the data structure.Member: Change the variable name of the Hlist_head member in the data item type definition.Implementation of 3GT;HLIST_

by the Hlist_entry macro through Hlist_head members to the node data that is its owner.2> Interface:Hlist_entry (Ptr,type,member)Ptr:ptr is a pointer to the Hlist_head member in the data structure that stores the address value of the linked list in the data structure.? Type: Is the type of the data structure.Member: Change the variable name of the Hlist_head member in the data item type definition.Implementation of 3>HLIST_ENTRY macro#define Hlist_entry (PTR, type, member) \Container_of (PTR, t

previous blog "the byte alignment of the little secrets in C language". I will not explain it too much here, if you do not understand it, you can go back and read it again. Through (unsigned long) ( (type *) 0)-> member), we get the offset of the member variable member, and PTR is the pointer to member, because of the different pointer types, we need to first convert (char *) before computation. Therefore, we use PTR to subtract the offset of member to get the pointer of the host struct. This i

)Ptr:ptr is a pointer to the Hlist_head member in the data structure that stores the address value of the linked list in the data structure.Type: Is the kind of the data structure.Member: Variable name of the Hlist_head member in the data item type definition.Implementation of 3GT;HLIST_ENTRY macro#define Hlist_entry (PTR, type, member)Container_of (PTR, type, member)HLIST_ENTRY macro calls the Container_of macro, see the usage of the CONTAINER_OF macro:2. Traversal operations1>function: It's ac

Describes the iterate over functions of a list: 1. # define list_for_each (Pos, head )/ For (Pos = (head)-> next; prefetch (POS-> next), pos! = (Head );/ Pos = pos-> next) There seems to be nothing to say about this traversal loop

Function Function prototypes Description constructor function String (const char *s); Class with C-style string S. string (int N,char c); Initialize with n characters c Default constructor Copy constructor accessing elements const char operator[] (int n) const; Operator[] and at () both return the position of the nth character in the current string, but the at function provides a

the Hlist_entry macro The Hlist_head members are able to access the node data of all of its people.2> Interface:Hlist_entry (Ptr,type,member)Ptr:ptr is a pointer to the Hlist_head member in the data structure that stores the address value of the linked list in the data structure.Type: Is the kind of the data structure.Member: Variable name of the Hlist_head member in the data item type definition.Implementation of 3>HLIST_ENTRY macro#define Hlist_entry (PTR, type, member)Container_of (PTR, type

measure the cost first, how much data is to be stored in memory? How much data is really meaningful to the user. Because this is really critical to the design of the backend resources, the 1G data capacity and 1T data capacity are completely different for the design idea. Plans in future? 1.slave Sync Makeover All the transformation of the online Master-slave data synchronization mechanism, which we borrowed from the idea of MySQL replication, using Rdb+aof+

payment terminal of the-m36--------------------the phone number and the outside setting of the letter Café If you are sure that the-m36-mobile payment terminal-the golden suit-is correct, please adjust the dial-up time (generally to 30-40) or adjust the modem parameters of DTMF on, DTMF off time (both to the same, generally adjusted to 80/100) and send level.In the process of using the-m36-mobile payment terminal-the golden costume-the letter Café special help

Part 1:steelhead SaaS SteelHead SaaS uses Akamai ' s Srip overlay network. Sure Route IP (srip) is a Akamai overlay network that allows optimized Netwrok traffic across the Internet. Srip continuously maps Internet to calculate shortest path. Cloud Steelheads is hosted in Akamai POPs. Akamai Ed

; DFS (next,now,sum); L[now]=min (L[now],l[next]); } init[cnt]=sum; R[now]= cnt++; if(flag) L[now] =R[now];}voidBuildintPosintLintR) {Tree[pos].left=l; Tree[pos].right=R; Tree[pos].add=0; if(L = = r) Tree[pos].maxx =Init[l]; Else { intMid = (l+r)/2; Build (POS