Thread: Re-written code needs help

Yesterday a thread went up with some code asking for help:
"A little help for a new guy? Functions problem! "
I have re-written all the code and it nows works properly for all modes of operation required ( although the code maybe messy, I'm still learning ).
The only problem is is that the request was in C++ and I only know C. I've re-written the program in C and was hoping someone could just change it to C++ for him. I've done the leg work it just needs a cosmetic work over.

Code:

//Made By: Chris M 9/12/2002
//This program gathers a list from the user and returns
//a median and an average from them.
//Drastically reformatted to work by Craig Evans ( Crag2804 )
#include <stdio.h>
#include <stdlib.h>
#define SWAP(a,b)   { int t; t=a; a=b; b=t; }  // Macro for swapping

void bubble_srt(int a[], int n);
float f_med(int a[]);
int num = 0,*ptr;

int main()
{
	float mean = 0,sum = 0, answer = 0;
	int i;
	char choose = 'm';

	printf("This program will ask the user for a list of numbers.\n");
   printf("Then calculate the median or mean average.\n\n");
	printf("How many numbers are you going to put in?\n: ");
	scanf("%d",&num);

   ptr = (int*) calloc ( num,   sizeof (int));    //Creates enough room for the array
   if (ptr == NULL) printf("Calloc failed");
   else {
   for (i=0;i<num;i++)	{                   //Fills the array with inputted values
      printf("Number %d:  ",(i+1));
      scanf("%d",&ptr[i]);
      }

	while (choose != 'q') {
   while (getchar() != '\n') {}
	printf("Choose from the following set of options:\n");
	printf("Get the (m)edian, (a)verage, or (q)uit?: ");
	scanf("%c",&choose);

	switch (choose) {

   	case 'm':
         bubble_srt(ptr, num);
         printf("\nAfter sorting your numbers are:\n");
         for (i=0;i<num;i++)
         	printf("Number %d: %d\n",(i+1),ptr[i]);
         answer = f_med (ptr);
      	printf("The median for your set of numbers will be:%f\n",answer);
      	break;

		case 'a':
      	for (i=0;i<num;i++) {
         	sum += ptr[i];};
         mean = (sum/num);
			printf("\nThe mean average for your data set is:%2.2f\n\n",mean);
         break;

      default:
      break;
  	}
   }

}
	return  0;

}
void bubble_srt(int a[], int n) {
    int i, j;
    for(i = 0; i < n; i++)
    {
    	for(j = 1; j < (n-i); j++)
      	{
         	if(a[j-1] > a[j])
            SWAP(a[j-1],a[j]);
         }
         }
}

float f_med (int a[]) {
   int odd= (num / 2);
   float even,neven,average;

	if ( (num%2) != 0 ) {
   	return ptr[odd];}
   else {
   	even = (num/2);
      neven = (even + 1);
      average = (even + neven)/2;
      return average;
      }
}

Thanks

There's no point in doing all the work for someone, when they are trying to learn something.

Besides, the conversion of a program from C to C++ can be as simple as changing all the print() calls to cout's, or completely redesigning it in an OOP way.

I figured considering it was so v.wrong I'd profide a correct example to use for reference in the future. I understand what your saying but it was also helpful for me because as I've said I'm still only learning myself ( about a month self taught )