Function frequency_table_of_tree_distance 

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

✅ AC 203ms

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	85 ± 2 ms
random_01	AC	99 ± 1 ms
random_02	AC	34 ± 1 ms
random_03	AC	111 ± 4 ms
random_04	AC	9 ± 0 ms
max_random_00	AC	132 ± 1 ms
max_random_01	AC	131 ± 1 ms
uni_00	AC	105 ± 1 ms
almost_uni_00	AC	111 ± 1 ms
almost_uni_01	AC	111 ± 1 ms
line_00	AC	203 ± 3 ms
line_star_00	AC	153 ± 1 ms
line_star_01	AC	138 ± 1 ms
line_star_02	AC	162 ± 1 ms