one way to allocate 2 dimensional array in contiguous memory chunk

one way to allocate 2 dimensional array in contiguous memory chunk

int main(){
    int row=3,col=4;
    int i,j;
    int (*p)[col];
    p=malloc(row *sizeof(*p));
}

int main(){
    int row=3,col=4;
    int i,j;
    int (*p)[row][col];
    p=malloc(sizeof(*p));
}