#define SIZE 10
int a[SIZE] = {15, 3, 5, 3, 11, 5, 15, 5, 15, 11};
//Uncomment to populate the array at each run
/*for (int i = 0; i < SIZE; ++i) {
scanf("%d", &a[i]);
}*/
for (int j = 0; j < SIZE; j++) {
int k;
for (k = 0; k < j; k++) {
if (a[j] == a[k]) {
break;
}
}
if (j == k) {
printf("%d\t", a[j]);
}
}