int removeDuplicatedValues(string array[], int size)
{
    int newsize = size;
    string str;
    for(int i = 0; i < size; i++)
    {
        str = array[i];
        // note that we increment until j < newsize here because
        // we are "shrinking" the array on every match!
        for(int j = i + 1; j < newsize; j++)
        {
            if(array[j] == str) ///< we found a match
            {
                for(int k = j; k < size - 1; k++) ///< size - 1 for "removal"
                {
                    array[k] = array[k + 1];  ///< shift everybody else down
                }
                newsize--;  ///< update the size after we "removed"
            }
        }
    }
    return newsize;
}

int main()
{
    string duplicates[7] = { "apple", "bear", "apple", "daddy", "bear", "daddy", "sunny" };
    int length = removeDuplicatedValues(duplicates, 7);
    for (int i = 0; i < length; i++)
    {
        std::cout << duplicates[i] << " ";
    }
    std::cout << std::endl;
    return 0;
}

apple bear daddy sunny

int duplicates = 7 - length; ///< how many duplicates did we have?

#include <iostream>
#include <string.h>
using namespace std;
string* arrayNew;
int arrayNewSize=0;
string *removeDuplicatedValues(string *array, int arraySize)
{
    int duplicatecounter = 0;
    string empty = "";
        for (int i = 0; i < arraySize; i++)
        {
            string s = array[i];
            for (int j = i + 1; j < arraySize; j++){
                if (array[j] == s)
                {
                    array[j] = empty;
                }
            }
            if(array[i]!=empty){
                arrayNewSize++;
            }
        }
        arrayNew = new string[arrayNewSize];
        int k=0;
        for (int j = 0; j < arraySize; j++){
            if(array[j]!=empty){
                arrayNew[k++]=array[j];
            }
        }
        return arrayNew;

}
int main () {
    string duplicates[] = {"apple","bear","apple","daddy","bear","daddy","sunny"};
    int arraySize = (sizeof(duplicates) / sizeof(string));
    string* finalArrayP;
    finalArrayP=removeDuplicatedValues(duplicates,arraySize);
    for (int i = 0; i < arrayNewSize; i++){
        cout << "newarray[i] is  " << finalArrayP[i] << endl;
    }
    delete [] arrayNew;
    return 0;
}