short int array in C99

#include <stdio.h>

int main()
{
    printf("array:\n");
    short int array[4][3]={{1},{2,3},{4,5,6}};

    for(int i = 0; i < 4; i++) {
        printf("\n[%d]:\n", i);
        for(int j = 0; j < 3; j++) {
            printf("[%d][%d]: %d \n", i, j,  array[i][j]);
        }
    }

    printf("size = %d \n", sizeof(array));
    printf("length = %d \n", sizeof(array) / sizeof(short int));


    return 0;
}