User contributions
- 13:24, 1 September 2012 (diff | hist) . . (0) . . Heavy-light decomposition (→Properties: v/2 + v/2 is not greater than v)
- 13:21, 1 September 2012 (diff | hist) . . (-3) . . Heavy-light decomposition (→Lowest common ancestor: the deeper, not the shallower, of the two nodes is advanced up the tree)