Purpose: Regular expression is everywhere in Unix   Also, we will give you some regex. Select one for a given pattern.  E.g.,   Positive numbers greater than or equal to 10 but less than 30.      E.g. 43, 45, 40, 59 are matched positive numbers A.     [1-3][0-9]   B.      [123][1-9]  C.      [1-2][0-9]  D.     [1-3]{2}  E.      None of above

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Hello C++ programming. Please help    1. Create a std::map of integer keys and integer value pairs The keys are the even integers between 2 and 18 The values are the squares of the keys For examples: { 2, 4 } and { 4, 16 } You can hard code the values into the initialization as you please 2)  Create a std::list of integer values that are generated as follows: Keep prompting the user for input of an integer value (-1 to quit the loop) Push an input value into the list as needed until the -1 is eneterd 3) Print out each key/value pair of the std::list elements that can also be found in the std::map as shown below  Input [-1 to quit]: 3Input [-1 to quit]: 6Input [-1 to quit]: 12Input [-1 to quit]: -1{6, 36} {12, 144}

I know I already asked this question, but can someone write a code to count the number of inversions and sort them as well? I will also need comments explaining what all is going on in the code. Programming language: C/C++, Java, Python, or any other advanced programming languages Project Description: the file “IntegerArray.txt” included in this project folder contains all the 100,000 integers between 1 and 100,000 (inclusive) in some order, with no integer repeated. Your task is to compute the number of inversions in the file given, where the i-th row of the file indicates the i-th entry of an array. Because of the large size of this array, you should implement a divide-and-conquer algorithm.

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engineering matlab, please solve the question

Question 2 You must give a word count for any question part with a maximum word limit. This question tests your understanding of Block 3 Part 2 and, more generally, the problem-solving and Python programming skills that are covered by the module. The question is concerned with a variation of the flashcard problem you studied in Block 3 Part 2. You will find it useful to read through the whole question before starting to answer it. In the original flashcard problem, the cards are designed to help a user improve their familiarity with a glossary of terms. The user can ask the program to show an entry picked randomly from a glossary. When the user presses return, the program shows the definition corresponding to that entry. The user is then given the option of seeing another entry or quitting. Another common use of flashcards is to help someone learning a language practise their vocabulary. Someone learning French, for example, might have a set of cards with English words on one…

C++ coding assigment 5   I am having trouble to get my coding working because I addressBook.cpp and addressbook.h is not working well with my Person so I need help figure out the problem because I have don't know how to fix my coding so that both person and addressbook work for the main. remainder: due not type in java. Make sure to type c++ in different files like Main.cpp, Person.cpp, Person.j, AddressBook.cpp, and AddressBook.h   This small project is geared to test your understanding of File IO. AddressBook Exception Create an AddressBookException class that you can use to throw exceptions in your address book. Your class should have a constructor that will allow you to set the particular message that corresponds to the error. You should use your custom exception class to throw an error in the findPerson method if the person being searched for cannot be found, in the getPerson method if the AddressBook is empty. You should also throw an error any time that the addressbook file that…

please answer with proper explanation and step by step solution. Solve in c++ please

C++