Function lca_hld 

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

✅ AC 123ms

problem here

Detail

Case Name	Status	Exec Time
example_00	AC	0 ± 0 ms
random_00	AC	80 ± 7 ms
random_01	AC	89 ± 8 ms
random_02	AC	23 ± 0 ms
random_03	AC	51 ± 2 ms
random_04	AC	31 ± 1 ms
line_00	AC	25 ± 1 ms
line_01	AC	28 ± 2 ms
line_02	AC	9 ± 0 ms
line_03	AC	16 ± 0 ms
line_04	AC	10 ± 1 ms
max_line_00	AC	36 ± 2 ms
max_line_01	AC	34 ± 1 ms
max_line_02	AC	34 ± 1 ms
max_random_00	AC	104 ± 4 ms
max_random_01	AC	102 ± 3 ms
max_random_02	AC	104 ± 4 ms
binary_00	AC	120 ± 6 ms
binary_01	AC	123 ± 6 ms
binary_02	AC	110 ± 3 ms
path_graph_root_centroid_00	AC	26 ± 1 ms
path_graph_root_centroid_01	AC	25 ± 0 ms
path_graph_root_centroid_02	AC	25 ± 1 ms
almost_line_00	AC	52 ± 1 ms
almost_line_01	AC	52 ± 1 ms