массив С++ for dos

#include <iostream.h>
#include <conio.h>
#include <stdlib.h>
#include <stdio.h>
void main()
{
int mas[10];
clrscr();
randomize();
for (int i=0; i<=10; i++)
{
mas[i]=(random(99));
cout<<mas[i]<<ends;
}
getch();
}

#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <stddef.h>
 
int main(int argc, char *argv[]) {
  srand(time(NULL));
  const size_t k_array_size = 30;
  int source_array[k_array_size];
 
  for (size_t i = 0; i < k_array_size; ++i)
    printf("%2d", source_array[i] = rand() % 10);
  printf("\n");
 
  int destination_array[k_array_size];
  size_t destination_array_size = 0;
  for (size_t i = 0; i < k_array_size; ++i) {
    bool is_element_found = false;
    for (size_t j = 0; j < destination_array_size; ++j)
      if (source_array[i] == destination_array[j]) {
        is_element_found = true;
        break;
      }
    if (!is_element_found)
      destination_array[destination_array_size++] = source_array[i];
  }
 
  for (size_t i = 0; i < destination_array_size; ++i)
    printf("%2d", destination_array[i]);
  printf("\n");
  return 0;
}