qstream questions

[Programmer interview questions selected 100 questions] 17. Converts a string to an integer, a programmer's integer Question Enter a string that represents an integer, convert it to an integer, and output it. For example, if the input string is "345", an integer of 345 is output. Analysis Although this question is not very difficult, the basic functions of C/C ++ language can be achieved, but the code writ

Interview Question 1: the number of questions to be submitted, and questions to be submitted Source: Public platform Chapter 9 algorithm. Since the 9-Chapter algorithm only provides the algorithm and does not provide the source code, I have provided the source code based on my own capabilities. Of course, there may be many shortcomings. I hope you will not give me any advice. ---- Xiao ran Description: Ther

Ios technical questions, ios technical questions 1. Difference between shallow copy and deep copy? The copy-only address does not copy the object pointed to by the address. Deep copy Copy address and point to the new object to be copied2. What is advantage of categories? What is difference between implementing a category and inheritance? Categories: modify the original functions without affecting or m

Js interview questions-inheritance of js, js questions-js Js is a flexible language. There are often multiple ways to implement a function. ECMAScript does not have a clear Inheritance Mechanism, but is achieved through imitation. According to the characteristics of js, js implementation inheritance has the following common methods:1. Use object impersonating to implement inheritance (this implementation me

Java interview questions, java questionsCommon Java interview questions: What if the main method is declared as private? Answer: It can be compiled normally, but the system prompts "the main method is not public" during running ".Q: What is the difference between passing references and passing values in Java? Answer: The pass-through refers to the transfer of the address rather than the value itself, and th

AsiaInfo technology pen questions, Asiainfo pen questions I don't know if this question is an original question of AsiaInfo technology. It seems that Microsoft's written examination also has this question on the Internet. The original question was solved in C language. Considering java proficiency, I had java to write the algorithm for this question.Topic Description: compile an algorithm to determine the

Niu Yi learning ---- Web programming security questions, ---- web security questions In web programming, security is a matter of constant attention. The SQL injection Prevention operation that you encounter when you hit the bull's nest. operations such as md5 conversion to plaintext and password to dark are all raised to address web programming security issues. For this reason, I have read some information

1503150049-blue bridge cup-Incorrect tickets for previous questions, answers to previous questions of Blue Bridge cupPrevious exam errors ticket time limit: 1.0 s memory limit: 256.0 MBProblem description A confidential organization issues a certain ticket and must withdraw it all at the end of the year. Each ticket has a unique ID number. The IDS of all bills for the year are consecutive, but the IDS start

10 classic Java interview questions and classic java questions 1. How does Java's HashMap work? HashMap is a key value for the data structure. Each key has a corresponding value. The key is to identify such a value. Based on the hashing principle, HashMap stores and obtains objects through put () and get () methods. When we pass a key-value pair to the put () method, it calls the hashCode () method of the

Computer Network interview questions, computer network questions 1,OSI Layer-7 protocol,Layer-4 TCP/IP protocol,Five-Layer Protocol mentioned in instructor Xie xiiren's online textbookComparison Note: (1) OSI's layer-7 protocol is only a theoretical protocol, which is not actually used. (2) the architecture of the layer-4 TCP/IP protocol in practice. (3) The five-layer protocol mentioned in Xie's old textb

Chinese word segmentation algorithm-Baidu interview questions, Chinese Word Segmentation Algorithm questions Question:Given a string and an array, you can determine whether the string can be separated into words in the dictionary. Dynamic Planning AlgorithmI wrote the following code during the interview. public static boolean divied2(String s,String[] dict){ boolean result=false; if(s.length(

[24 questions about network stream] minimum path coverage (Bipartite Graph Matching) programming questions, 24 bipartiteQuestion Principle: Minimum path overwrite = point-matching number;It is easy to understand: the two points can be matched, which is equivalent to putting them in and querying the set, and querying the number of sets is the number of paths;However, my understanding of graph creation is alw

); - } $ } $ } - returnD[t]; - } the intDFS (intUintLim) { - if(u==t)returnLim;Wuyi inttmp,f=0; the for(intI=hd[u];i;i=e[i].nxt) { - intv=e[i].v; Wu if(d[v]==d[u]+1e[i].f) { -tmp=DFS (V,min (LIM,E[I].F)); Aboute[i].f-=tmp; $e[i^1].f+=tmp; -lim-=tmp; -f+=tmp; - if(!lim)returnF; A } + } thed[u]=0; - returnF; $ } the intDinic () { the intres=0; the while(BFS ()) res+=DFS (s,inf); the returnRes; - } inv

questions. (1) In a content management system, the table message has the following fields: ID Article ID Title of title article Content article contents CATEGORY_ID article Category ID Hits Click Volume Create the table above and write out the MySQL statement: CREATE TABLE ' message ' ( ID Int (one) not NULL auto_increment, Title varchar (+) default NULL, Content blob, category_id Int (one) default NULL, Hits int (one) default NULL, PRIMARY KEY (' id

Data table records contain table indexes and numeric values. Merge the same records for the table index, and the merged table records the sum of the values for the same index tableEnter the number of key-value pairs firstThen enter the paired index and value values, separated by line breaksOutput merged key-value pairs (multiple lines)40 1 0 2 1 2 3 4031234Ideas:Use a map dictionary to do, each time you enter a pair of count, found not equal to 1 o'clock join, found equals 1 o'clock on it ++valu

Let's take a look at the following two questions. The answer is very simple. Even if you have never studied informatics, you can think of the answer. How short can you come up with a problem?AlgorithmCome? One hour? One minute? One second? 1. Give you a chain table with a length of N. N is large, but you don't know how big N is. Your task is to randomly retrieve k elements from the n elements. You can only traverse this linked list once. Your algorit

BAT and major Internet companies 2014 front-end written interview questions: Html/cssHTML article:1. Which of the Web pages do you test? What are the cores of these browsers? Ie:trident kernel Firefox:gecko kernel Safari:webkit kernel Opera: formerly the Presto kernel, opera has now switched to Google Chrome's blink kernel Chrome:blink (co-developed with Opera Software based on Webkit,google) 2. Every HTML file has a very

Java basic questions (JVM), java basic questions jvm 1. What is a Java Virtual Machine? Why is Java called a platform-independent programming language "? A Java virtual machine is a virtual machine process that can execute Java bytecode. Java source files are compiled into bytecode files executed by Java virtual machines. Java is designed to allow applications to run on any platform without the need for pro

50 typical Java programming questions, 50 java programming questions There are n integers, so that the previous numbers are shifted to the next m positions, and the last m number is changed to the first m number. Public class Example36 {Public static void main (String [] args ){Int [] m = {18, 12, 23, 34, 95, 76, 57, 28, 9 };MoveElement (m, 5 );}Public static void moveElement (int [] m, int n ){System. out.

Juju technology-php development pen questions and answers, php Questions and answers Juju technology is a newly founded company with very small and few people. The boss feels like a typical Beijing hacker. It is very arrogant and has a personality. The exam is simple: 1. What are the differences between echo (), print (), and print_r? Echo is the PHP language structure, and print and print_r are functions.