Concepts2
🗂️Data StructureAdvanced
Dominator Tree
A dominator tree summarizes “must-pass” relationships in a directed graph from a chosen root r: u dominates v if every path from r to v goes through u.
#dominator tree#lengauer tarjan#semidominator+10
🗂️Data StructureIntermediate
Sparse Table
A Sparse Table is a static range-query data structure that preprocesses an array in O(n \log n) time and answers many queries in O(1) time.
#sparse table#range minimum query#rmq+12