🌐EnglishEnglishItalianoPolskiفارسیไทย日本語EntityQ4919359· pop 7· linked from 5 articlesTarjan's off-line least common ancestors algorithmalgorithm for finding the lowest common ancestors of a set of pairs of nodes in a tree, using the union-find data structureAvailable in 7 languagesItalianoPolskiSerbianUkrainianفارسیไทยConnectionsdisjoint-set data structureEntitycomputer scienceEntityCategoriesGraph algorithms