Function lca_euler_tour 

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

✅ AC 257ms

problem here

Detail

Case Name	Status	Exec Time
example_00	AC	0 ± 0 ms
random_00	AC	143 ± 15 ms
random_01	AC	152 ± 19 ms
random_02	AC	40 ± 0 ms
random_03	AC	82 ± 6 ms
random_04	AC	44 ± 4 ms
line_00	AC	108 ± 14 ms
line_01	AC	134 ± 15 ms
line_02	AC	39 ± 1 ms
line_03	AC	55 ± 2 ms
line_04	AC	49 ± 2 ms
max_line_00	AC	149 ± 11 ms
max_line_01	AC	141 ± 9 ms
max_line_02	AC	153 ± 19 ms
max_random_00	AC	166 ± 16 ms
max_random_01	AC	165 ± 11 ms
max_random_02	AC	193 ± 16 ms
binary_00	AC	257 ± 26 ms
binary_01	AC	162 ± 23 ms
binary_02	AC	175 ± 18 ms
path_graph_root_centroid_00	AC	115 ± 7 ms
path_graph_root_centroid_01	AC	112 ± 4 ms
path_graph_root_centroid_02	AC	114 ± 5 ms
almost_line_00	AC	211 ± 25 ms
almost_line_01	AC	182 ± 36 ms