vovs 42_1

int main()
{
    setlocale(LC_ALL, "Russian");
    int *a;
    int n;
    printf("Введите количество элементов\n");
    scanf_s("%d", &n);
    a = (int *) malloc(n * sizeof(int));
    scanf_s("%d", &a[0]);
    for (int i = 1; i < n; i++) {
        scanf_s("%d", &a[i]);
        if (a[i] < a[i - 1])
            exit(-1);
    }
    for (int i = 0; i < n; i++) {
        for (int j = i+1; j < n && a[j] == a[i]; j++) {
            if (i != j && a[i] == a[j]) {
                for (int u = j; u < n - 1; u++) {
                    a[u] = a[u + 1];
                }
                a = (int *)realloc(a, (n - 1)*sizeof(int));
                n--;
                j--;
            }
        }
    }
    for (int i = 0; i < n; i++) {
        printf("%3d", a[i]);
    }
    printf("\n");
    free(a);
}