bool find_distances ( int l_length, int l[], int x_length, int x[], int y );
void find_distances_test ( );
int i4_uniform_ab ( int a, int b, int *seed );
void i4_uniform_ab_test ( );
int i4vec_max_last ( int l_length, int l[] );
void i4vec_max_last_test ( );
void i4vec_print ( int n, int a[], char *title );
void i4vec_print_test ( );
void partial_digest_recur ( int n, int l[] );
void partial_digest_recur_test01 ( );
void partial_digest_recur_test02 ( );
void place ( int *l_length, int l[], int *x_length, int x[] );
void timestamp ( );