int cc_se_size ( int dim_num, int level_max );
int cfn_e_size ( int dim_num, int level_max );
void comp_next ( int n, int k, int a[], bool *more, int *h, int *t );
int f2_se_size ( int dim_num, int level_max );
int gp_se_size ( int dim_num, int level_max );
int i4_choose ( int n, int k );
int i4_max ( int i1, int i2 );
int i4_min ( int i1, int i2 );
int ofn_e_size ( int dim_num, int level_max );
int onn_e_size ( int dim_num, int level_max );
int onn_l_size ( int dim_num, int level_max );
int own_e_size ( int dim_num, int level_max );
int own_l2_size ( int dim_num, int level_max );
int own_o_size ( int dim_num, int level_max );
void timestamp ( );