Function frequency_table_of_tree_distance 

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

✅ AC 405ms

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	103 ± 3 ms
random_01	AC	120 ± 1 ms
random_02	AC	41 ± 0 ms
random_03	AC	135 ± 1 ms
random_04	AC	10 ± 0 ms
max_random_00	AC	163 ± 2 ms
max_random_01	AC	161 ± 1 ms
uni_00	AC	130 ± 1 ms
almost_uni_00	AC	135 ± 0 ms
almost_uni_01	AC	135 ± 1 ms
line_00	AC	405 ± 12 ms
line_star_00	AC	254 ± 1 ms
line_star_01	AC	215 ± 0 ms
line_star_02	AC	275 ± 1 ms