Function frequency_table_of_tree_distance 

pub fn frequency_table_of_tree_distance(reader: impl Read, writer: impl Write)

✅ AC 381ms

problem here

Detail

Case Name	Status	Exec Time
example_00	AC	0 ± 0 ms
small_random_00	AC	0 ± 0 ms
small_random_01	AC	0 ± 0 ms
small_random_02	AC	0 ± 0 ms
small_random_03	AC	0 ± 0 ms
small_random_04	AC	0 ± 0 ms
random_00	AC	101 ± 3 ms
random_01	AC	118 ± 1 ms
random_02	AC	40 ± 0 ms
random_03	AC	132 ± 1 ms
random_04	AC	10 ± 0 ms
max_random_00	AC	160 ± 2 ms
max_random_01	AC	158 ± 1 ms
uni_00	AC	123 ± 1 ms
almost_uni_00	AC	130 ± 1 ms
almost_uni_01	AC	129 ± 0 ms
line_00	AC	381 ± 1 ms
line_star_00	AC	244 ± 1 ms
line_star_01	AC	206 ± 1 ms
line_star_02	AC	263 ± 0 ms