#include <iostream>
#include <iomanip>
using namespace std;

void delete_repeats (char array[], int &size);

int main()
{
char a[10];
int size = 0;
cout << "Enter your char array, enter # when your done";
for (int i = 0; i<10; i++)
{
 cin >> a[i];
 if (a[i] == '#')
 {
  break;
 }
 size++;
}
cout << a[0];
cout << size << endl;
delete_repeats ( a, size);
cout << size << endl;
for (int j = 0; j < size; j++)
{
cout << a[j];
}
}

void delete_repeats (char array[], int &size)
{
int count = size;
char compare = 0;

//cout << size << " " << count << endl;
for ( int j = 0; j < count; j++)
{
 compare = array[j];
 for (int i = 1; i < count; i++)
 {
  if ( compare == array[i])
  {
   array[i] = array[i+1];
   cout << "test: "<<array[j] << " " << array[i] << endl;
   cout << "test b4: "<<size << endl;
   size--;
   count--;
   cout <<" test after: "<< size << endl;
  }

 }
//01 12 23 34 45 56 67 78
}
}

remove_dupes(char array[], size)
{
int i, j, k;

for(i = 0; i < size; i++)
{
  for(j = 0; j < size; j++)
  {
     if(array[i] == array[j])
     {
        for(k = j; k < size; k++)
        {
             array[k] = array[k + 1];
         }
       }
   }
}

#include <iostream>
#include <conio.h>
#include <vector>

bool charExists(char element, std::vector<char> buffer)
{
for(std::vector<char>::iterator it = buffer.begin(); it != buffer.end(); it++)
{
 if(*it == element)
  return true;
}

return false;
}

void modifyArray(char arr[], std::vector<char> buffer, int &size)
{
for(int i = 0; i < buffer.size(); i++)
 arr[i] = buffer.at(i);

size = buffer.size();
}

void delete_repeats(char arr[], int &size)
{
bool b = false;
std::vector<char> buffer;

for(int i = 0; i < size; i++)
{
 if(b == false)
 {
  buffer.push_back(arr[i]);
  b = true;
 }
 else
 {
  if(charExists(arr[i], buffer) == false)
  {
   buffer.push_back(arr[i]);
  }
 }
}

modifyArray(arr, buffer, size);
}


int main()
{
int size = 0;
char arr[10];

for(int i = 0; i < 10; i++)
{
 std::cin >> arr[i];

 if(arr[i] == '#')
  break;

 size++;
}

delete_repeats(arr, size);

for(int i = 0; i < size; i++)
{
 std::cout << arr[i] << ' ';
}

_getch();

return 0;
}

#include <iomanip>
#include <iostream>
#include <set>
#include <type_traits>
#include <typeinfo>

using namespace std;



int main()
{
       int array[] = {1,1,1,3,4,7,8,2,4,6,2,7,2,7,21,6,4,1,6,1,4,6};
       
       set<int> s;
       
       for(auto&& it = begin(array); it != end(array); ++it) s.insert(*it);
       
       for(auto&& i : s) cout << i << ", ";
       
}