Static_cast and dynamic_cast

Static_cast Usage: static_cast (expression)This operator converts expression to the Type-ID type, but does not check the runtime type to ensure the conversion security. It has the following usage:① It is used to convert pointers or references

Understand loadaverage and do a stress test)

The following sections show how load average works in stress testing. CPU time slice To improve Program Execution efficiency: multiple threads are used in many applications. In this way, the original serialization execution can be changed to

Differences between constant pointers and pointer constants (repost)

Although the three terms are very vague, they are very accurate. With the semantic analysis of Chinese words, the three concepts can be easily separated. 1) constant pointer. Constants are adjectives, pointers are nouns, and pointer-centered

Zoj 2202 α Encoding

//////////////////////////////////////// ///////////// 1677474 14:46:52 accepted 2202 C ++ 0 192 VRS// Number of codes that are decoded after calculation// Use the divide and conquer method to divide the string s into S1 and S2, and then multiply

CPP templates: Template inheritance skills

// Bolgcontent. cpp: defines the console application Program . // # Include "stdafx. H"# Include # Include Using namespace STD; /* Example of class template inheritance* 1. inherit template parameters*/ Template Class discriminator:

Zoj 1338-litre, descending Average Length

# Include # Include Using namespace STD;Int Shu [100], up [2], down [2];   Int main (){Int I, j, temp, jishu, Baoji;Double A, B;While (CIN> Shu [0]) & Shu [0]! = 0){A = 0;B = 0;Up [0] = 0;Up [1] = 0;Down [0] = 0;Down [1] = 0;I = 0;Do{I ++;Cin>

Zoj 2097 board walking

# Include # Include Using namespace STD;# Define Max 1001 // no extra points are allowed at the end of this article. Otherwise, he defines the value of Max as "1001 ;"Int s [10] [10];Int T [10] [10] [5];Int map [4] [2] = {1, 0}, {0, 1}, {-1}, {0,-1 }

Zoj 1986 Maximum ascending order number

////////////////////////////////////// Maximum ascending order// Use the DP + binary method// If the conventional method is used, the time of N ^ 2 is used, and the time after the second is used is reduced to nlogn.   // This kind of bipartite

Poj 3753 first top embedded cup finals question

// 7915734 vrs570540852 3753 accepted 368 K 0 Ms GCC 1169b 18:36:18// Poj question a of the first top embedded Cup Finals of 3753# Include # Include   # Define null 0 Int safestrcpy2keyword (char * pdestbuffer,Const char * psourcestring,Int

Zoj 1405 sun room

# Include # Include Using namespace STD;Char Shu [100], cun [50], Zou [50];   Int main (){Int I, j, num, Len, jishu1, jishu2, Duwei, Yiyou, yizou, zouren;While (CIN> num & num){Memset (Cun, '0', sizeof (Cun ));Memset (Zou, '0', sizeof (Zou

Zoj 1201 Reverse Order and its original order

//////////////////////////////////////// ///////////////////////////////// Inversion// Reverse Order and its original order# Include # Include Using namespace STD;Char nor [100];Long shuru [10000];Long chu [10000];Long I, J, K, jishu;     Void

Poj 3984 and question B of the second top embedded cup finals

// 7966044 VRS 3984 accepted 376 K 0 Ms GCC 2108b 13:38:57// Poj 3984 second top embedded cup finals question B// Search through the maze// Compile with GCC without using STL. Depressed, only write queue operations by yourself# Include # Include #

Factor of the 1115-digit zoj sum

//////////////////////////////////////// ///////////////// Digital roots// Number of digits and factor# Include # Include Using namespace STD;Char N [2, 10000];   Int main (){Memset (n,-1, sizeof (n ));Int num, sum, I;While (CIN> N){If (strcmp (n,

Introduction to applications of threadpool. registerwaitforsingleobject and waithandle

I recently learned thread-related content, so I have recorded my experiences in the learning process. Threadpool. queueuserworkitem () or thread thd = new thread (New threadstart (TEST), but few people should know how to use threadpool.

Zoj 1006 Encryption

// Non-redundant Encryption// Because the divisor and remainder are the same, and both are smaller than 28, the MOD is the same for each other.# Include # Include Using namespace STD;Char st [2, 100], en [2, 100];Int stnum [100], ennum [100];  

Zoj 1733 longest public substring

//////////////////////////////////////// ////////////////////////////// Longest public substring// Typical DP example# Include # Include Using namespace STD;Char X [2, 10000], Y [2, 10000];     Void lcslength (int m, int N, char * X, char * y,

Maximum number of Bastion hosts in zoj 1002

//////////////////////////////////////// ///////// Maximum number of Bastion hosts// Use the Backtracking Method (in fact, the modification of the n queen's problem) + brute-force a removal# Include # Include Using namespace STD;Char A [5] [5];  

Boundary of the zoj 1047 object heap

Guangsearch# Include # Include Using namespace STD;Int map [8] [2] = {-}, {}, {0,-1}, {}, {-1,-1 }, {-1, 1}, {1,-1}, {1, 1 }};Char gra [25] [25];   Struct Node{Int X;Int y;} Start, temp;   Int main (){Int row, Col, posr, POSC;Queue qu;While (

Zoj 1334 arbitrary hexadecimal conversion

# Include # Include # Include # Include Char s [100];Char chu [2, 1000] [100];// Because Chu is output each time, if Chu is used again// If there is no elimination, there is a problem, so a 1000-Bit String Array is enabled, but this is better// The

Tutorial: how to create a multi-function USB flash drive

ArticleDirectory Download the mass production tool Mass production USB flash drive Make the volume of postpartum U disk into a boot USB-HDD PE system maintenance Function Install Windows 7 through cold start Quick

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