3 ms·
https://en.m.wikipedia.org/wiki/Disjoint-set_data_structure https://en.m.wikipedia.org/wiki/Disjoint-set_data_structure
by lenocinor 4y ago
https://en.m.wikipedia.org/wiki/Disjoint-set_data_structure https://en.m.wikipedia.org/wiki/Disjoint-set_data_structure