Can you help me to fixed this problem please 🥺

Question

#include <iostream>
using namespace std;

void sortArray(int array[], int size);

int main(void)
{
char letters[10]; // an array of 10 char
char lastLet;
char symbol;

for (int i = 0; i < 10; i++)
{
cout << "Enter 19 character " << (i + 1) << ": ";
cin >> letters[i];
}

cout << "Array input complete." << endl;

sortArray[10](Letters, 10);

for (int i = 0; i < 10; i++)
{
if (lastLet != letters[i])
{
cout << letters[i] << endl;
lastLet = letters[i];
}
}

cout << "Array display complete." << endl;

cin >> symbol;
}

// ###############################
void sortArray(int array[], int size) // C++ passes arrays by reference
{
int temp;

for (int i = 0; i < size; i++) // loop through the entire array
{
for (int j = i; j < size; j++) // loop through the item being checked until the end
{
if (array[j] < array[i]) // if the item being che

Answer 1

Place your code in the Code Playground, save it as public, and share link here. It will be much easier to tell what's wrong.
At first glance, I can see "sortArray[10]" as a mistake. sortArray is function, so it has no indexes