in c++ how can I abstract a 6 sided die in one class called Die.then do the foll

ID: 3847015 • Letter: I

Question

in c++ how can I abstract a 6 sided die in one class called Die.then do the following

make three object of this class and then with a DiceCup class/ object roll the three dice 200 times and record the result for each roll in an array. Then go through the array and report the number of times a total of X(some num) spots on three dice was obtained... report the the number of times all the numbers for three dice show up... Then with this information create a horizontal bar graph as illustrated in the coin flips with the number of results for each potential spot total....

Explanation / Answer

//Die.h

class Die
{
   short val; //for storing current throw value.
public:
   Die(void);
   ~Die(void);
   int RollDie();
};

//Die.cpp

#include "Die.h"
#include <stdlib.h>
#include <iostream>

Die::Die(void) //constructor
{
val = 1; //initial value 1
}

Die::~Die(void)
{
}

int Die::RollDie()
{
val = rand() % 6 + 1; //random number to get val b/w 1 to 6
return val;
}

//DiceCup.h

#pragma once
#include "Die.h"
#include <vector>;

class DiceCup
{
   int numberOfDiceInCup; //no. of dices , set in the c'trct
   std::vector<int>sumResultList; //sum of dice throw
   Die *dice; //point to dice objects
public:
   int ReportSum(int X);
   DiceCup(int numberOfDice);
   ~DiceCup(void);
   void Throw();
};

//DiceCup.cpp

#include "StdAfx.h"
#include "DiceCup.h"

DiceCup::DiceCup(int numberOfDice)
{
numberOfDiceInCup = numberOfDice;
dice = new Die[numberOfDice]; //create objs arrays

}

DiceCup::~DiceCup(void)
{
delete[] dice;//delete objs arrays
}

void DiceCup::Throw() //A single throw
{
   int sum = 0;
   for(int i=0; i < numberOfDiceInCup; i++)
   {
       sum+=dice[i].RollDie(); //call roll die function for each die and get result.
   }
   sumResultList.push_back(sum);
}

int DiceCup::ReportSum(int X) //Report the sum
{
   int count = 0;
   for(std::vector<int>::iterator itr = sumResultList.begin(); itr!=sumResultList.end(); itr++)
   {
       if ( *itr == X )
           count++;
   }
   return count;
}

//main.cpp

#include <iostream>
#include "DiceCup.h"

int main()
{
DiceCup diceCup(3); //three dices

   for(int i=0; i<200; i++) //Test case
   {
       diceCup.Throw();
   }
   int sum=0;
   std::cout<<" Enter the sum to be reported: ";
   std::cin>>sum;
   std::cout<< " Sum "<<sum<<" came "<<diceCup.ReportSum(sum)<<" times.";
   return 0;
}

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in c++ how can I abstract a 6 sided die in one class called Die.then do the foll

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