Assuming a classStudenthas been defined, which of the following statements is correct for declaring a vector? O a. vector [Student] studList; O b.vectorStudent> studList; OC. vector Student studList; O d. vector (Student) studList;
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![Assuming a classStudenthas been defined, which of the following statements is correct for declaring a vector?
O a. vector [Student] studList;
O b.vector<Student> studList;
OC. vector Student studList:
O d. vector (Student) studList;
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- Write the definition for a class named Vector2D that stores information about a two-dimensional vector. The class should have functions to get and set the x and y components, where x and y are integers.Next, overload the * operator so that it returns the dot product of two vectors. The dot product of two-dimensional vectors A and B is equal to(Ax * Bx) + (Ay * By).Finally, write a main subroutine that tests the * operation.Add a constructor initializer list to the overloaded constructor Professor(string newName, int newStudents) to initialize name with newName and students with a vector of size given by newStudents. Ex: If the input is Jan 2 Ava Ada, then the output is: Professor: Unknown, No students Professor: Jan, Students: Ava, Ada #include <iostream>#include <vector>using namespace std; class Professor {public:Professor();Professor(string newName, int newStudents);void ReadStudents();void Print() const;private:string name;vector<string> students;}; Professor::Professor() : name("Unknown"), students(0) {} Professor::Professor(string newName, int newStudents) /* Your code goes here */ {} void Professor::ReadStudents() {string studentName;int i;for (i = 0; i < students.size(); ++i) {cin >> studentName; students.at(i) = studentName;}} void Professor::Print() const {int i; cout << "Professor: " << name << ", ";if (students.size() == 0) {cout <<…Write a program that will sort a prmiitive array of data using the following guidelines - DO NOT USE VECTORS, COLLECTIONS, SETS or any other data structures from your programming language. The codes for both the money and currency should stay the same, the main focus should be on the main file code (Programming language Java) Create a helper function called 'RecurInsSort' such that: It is a standalone function not part of any class from the prior lab or any new class you feel like creating here, Takes in the same type of parameters as any standard Insertion Sort with recursion behavior, i.e. void RecurInsSort(Currency arr[], int size) Prints out how the array looks every time a recursive step returns back to its caller The objects in the array should be Money objects added or manipulated using Currency references/pointers. It is OK to print out the array partially when returning from a particular step as long as the process of sorting is clearly demonstrated in the output. In…
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- Modify your bottom-up function DPchange to return not only the best number of coins but also the corresponding combination of denominations as a vector. Do this by creating a new function DPChange_bt that is largely the same as DPChange but declares an array coinsUsed that keeps track of the coin on the best path to a given entry M (between 1 and ?+1). DPChange_bt should return both bestNumCoins and coinsUsed.Implement binary search algorithm as a template function.Part B: Given a vector of size S and a number N. Write a function that calculates if there is any pair of numbers in the vector whose sum is equal to N?Hint: you can use the binary search function you implemented in part A.Notes:You must use iterators in your implementation.Input Format: The input consists of 2 lines. The first line contains 2 numbers, S and N. The second line contains S numbers which represent the contents of the vector.Write a template for a function called countItemFrequency that accepts as parameters a vector and a value which may be contained in the vector. Iterate through the vector and count the number of occurrences of the value in the vector and return the count to the user. Test your function with int and char types and then with a custom class with the == operator overloaded.
- Write code for determining the index of a value in an OrderedVector. Be aware that if the value is not in the Vector, the routine returns the ideal location to insert the value. This may be a location that is outside the Vector(use java)Which shows valid accesses for an array a and vector v, each with 10 elements? In other words, this question is asking what is the proper syntax for accessing the array and vector. a. array: a[7] vector: v.at(5) b. array: a.at(5) vector: v[9] c. array: a.at(5) vector: v[5] d. array: a[1] vector v.at[4] Coding is in C++.In Python please help with the following: a) Write a class in Python called Vector2d whose initializer receives two numbers: x,y.Define an instance method called translateby that receives two numbers: dx and dy and translates the vector by dx and dy. Translating vector v by dx and dy makes the vector's x and y incremented by dx and dy, respectively.For example: (1, 2) translated by 3, and 4 results in (4,6).Define a static method called sum that receives two vectors and returns a newvector whose value equals the sum of the two vectors. B) Test your code by implementing the following:• Create a vector v1, instantiate it with (1, 2).• Create a vector v2, instantiate it with (2, 4).• Calculate the sum of the two vectors in v3.• Translate v3 by 1 and 2.• Print v3's coordinates. It prints 4, 8.