Question

This homework involves ADDING MEMBER FUNCTIONS to ArrayBag.h. This homework is important because we do some thing like this on exams. All you will need to submit is your member function code BUT your code should compile and run if I were to add it to ArrayBag.h. That means you should put your code in ArrayBag.h and make sure it compiles before submitting. You should test with a simple main. DO NOT submit main or your ArrayBag.h file just submit the code for the member function. Do not forget to put the protoype in when you're testing! 1. Problem #1 (20 points):Add a member function template called RemoveRandom to the ArrayBag class (so add it to ArrayBag.h). The RemoveRandom member function should remove a random entry from the list (so use your srand and rand functions). Do not forget to TEST...that means you will need to add the prototype and test with a simple main. All you need to submit though is the member function implementation. 2. Problem #2 (20 points): Add an overloaded constructor to the ArrayBag class (so add it to ArrayBag.h). The overloaded constructor should accept an array (and array size) OR a vector as an argument and create an ArrayBag based on the array or vector passed into the constructor. Do not forget to TEST...that means you will need to add the prototype and test with a simple main. All you need to submit though is the member function implementation. This homework involves ADDING MEMBER FUNCTIONS to ArrayBag.h. This homework is important because we do some thing like this on exams. All you will need to submit is your member function code BUT your code should compile and run if I were to add it to ArrayBag.h. That means you should put your code in ArrayBag.h and make sure it compiles before submitting. You should test with a simple main. DO NOT submit main or your ArrayBag.h file just submit the code for the member function. Do not forget to put the protoype in when you're testing! 1. Problem #1 (20 points):Add a member function template called RemoveRandom to the ArrayBag class (so add it to ArrayBag.h). The RemoveRandom member function should remove a random entry from the list (so use your srand and rand functions). Do not forget to TEST...that means you will need to add the prototype and test with a simple main. All you need to submit though is the member function implementation. 2. Problem #2 (20 points): Add an overloaded constructor to the ArrayBag class (so add it to ArrayBag.h). The overloaded constructor should accept an array (and array size) OR a vector as an argument and create an ArrayBag based on the array or vector passed into the constructor. Do not forget to TEST...that means you will need to add the prototype and test with a simple main. All you need to submit though is the member function implementation.

Answer 1

#pragma once
#include<iostream>
#include<vector>
using namespace std;

template <typename T>
class ArrayBag
{
private:
   vector<T>Array;
   int Size;
public:
   ArrayBag() = default;
   ArrayBag(int Size)
   {
       this->Size = Size;
       Array.resize(Size);
   }
   void RemoveRandomEntry()
   {
       if (Size > 0)
       {
           T index = (rand() % Size);
           if (index >= 0 && index < Array.size() - 1)          
               Array.erase(Array.begin() + index);      
       }
   }
   ~ArrayBag() = default;
};

//ArrayBag<int> Bag(4);    // how to instantiate in main
//Bag.RemoveRandomEntry(); // calling to check

// tested by calling RemoveRandomEntry(); 10 times in a single run!

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