Question

There are logical and run time errors in the code, as well as compilation errors.
** Your objective is get the code to run, fix any bugs in the code and
** place validation needed to prevent any memory issues. Each function has a
** description of what it does next to its prototype.

** When you find a problem, fix it in the code and note it in this header comment below.
** Please note each problem you find on a separate comment line.
** NO CREDIT for fixing a problem without adding a comment line about it in this header.
** SUBMIT THIS FIXED C++ FILE WITH YOUR ADDED COMMENTS
**
** RUBRIC:
** 1) code must compile with no errors or warnings
** 2) code runs with no bugs: 25%
** 3) fix comments in this comment header: 75%
**
** ADD YOUR COMMENTS HERE
**
** Problem 1:
** Problem 2:
** ...
** Problem n:
*/

#include <iostream>

using namespace std;

void addToList(int *); // adds integer to integer array
void displayList(int *); //displays all items in array
void dispSum(); //gives sum of all elements in array
void dispAverage(); //gives average of elements in array.

unsigned short SIZE = 0;

int main()
{
unsigned int input;
int arrayList[10];

do
{
cout << "***Main Menu***" << endl
<< "1. add number to list" << endl
<< "2. display list." << endl
<< "3. display sum." << endl
<< "4. display average." << endl
<< "0. Quit" << endl;
//clears iostream buffer
cin.clear();
cin.ignore(10, '\n');
cout << "enter a menu choice: ";
cin >> input;

switch (input)
{
case 1: addToList(arrayList);
case 2: displayList(arrayList);
case 3: dispSum();
case 4: dispAverage();
case 0:break;
default:cout << "enter a valid choice from menu:";
}

} while (input !=0);
return 0;
}

void addToList(int *arrayList)
{
int input;
cout << "enter a number int the array: ";
cin >> input;
arrayList[SIZE++] = input;
}

void displayList(int *arrayList)
{
for (int i = 0; i <= SIZE; ++i)
cout << arrayList[SIZE];
cout << endl;
}

void dispSum(int *arrayList)
{
int sum = 0;
for (int i = 0;i <= SIZE; ++i)
sum += arrayList[i];
cout << "The Sum is " << sum << "!" << endl;
}

PreviousNext

Answer 1

/*C++ program that fixed the logical errors and run the program without errors. Add the comments in the program with problem number and comments with necessary explanation*/
//main.cpp
#include <iostream>
using namespace std;
void addToList(int *); // adds integer to integer array
void displayList(int *); //displays all items in array

//Problem1: Missing integer pointer in function prototype
//Fixed : Pass the int *arrayList to the dispSum
void dispSum(int *arrayList);

//Problem2: Missing integer pointer in function prototype
//Fixed : Pass the int *arrayList to the dispAverage
void dispAverage(int *arrayList);
unsigned short SIZE = 0;

//start of main method
int main()
{
   unsigned int input;
   int arrayList[10];
   do
   {
       cout << "***Main Menu***" << endl
           << "1. add number to list" << endl
           << "2. display list." << endl
           << "3. display sum." << endl
           << "4. display average." << endl
           << "0. Quit" << endl;
       cout << "enter a menu choice: ";
       cin >> input;

       //Problem10: Move the below two lines of code to clear the buffer after reading user input value
       cin.clear();
       cin.ignore(10, '\n');
       switch (input)
       {

           //Problem5: Add break statement at the end of the case 1,case 2 ,case 3 ,case 4
       case 1: addToList(arrayList);break;
       case 2: displayList(arrayList);break;

           //Problem3: Missing array list to the function dispSum
           //Fixed : Pass the arrayList array name to the function calling,dispSum
       case 3: dispSum(arrayList);

                   break;

           //Problem4: Missing array list to the function dispSum
           //Fixed : Pass the arrayList array name to the function calling,dispSum
       case 4: dispAverage(arrayList);

                    break;

       case 0:break;
       default:cout << "enter a valid choice from menu:";
       }
   } while (input !=0);
   system("pause");
   return 0;
}

void addToList(int *arrayList)
{
   int input;
   cout << "enter a number int the array: ";
   cin >> input;
   arrayList[SIZE++] = input;
}

void displayList(int *arrayList)
{
   //Problem6 : display the value stored at index,i
   //Remove the SIZE in [SIZE] with [i] in cout
   //Problem7 : Run the for loop until the i-value is less than SIZE value.
   //Replace the i<=SIZE with i <size
   for (int i = 0; i < SIZE; ++i)
       cout << arrayList[i]<<" ";
   cout << endl;
}

void dispSum(int *arrayList)
{
   int sum = 0;
   //Problem8 : Run the for loop until the i-value is less than SIZE value.
   //Replace the i<=SIZE with i <size
   for (int i = 0;i < SIZE; ++i)
       sum += arrayList[i];
   cout << "The Sum is " << sum << "!" << endl;
}

//Problem9: Add the missing code for the function ,dispAverage
//gives average of elements in array.
void dispAverage(int *arrayList)
{
   int sum = 0;
   for (int i = 0;i < SIZE; ++i)
       sum += arrayList[i];
   cout << "The average is " << sum/SIZE << "!" << endl;
}

Sample Output: