1.Disjoint-set data structure2024-10-25 收起 并查集优化一:优化查找(get) 查找的优化是路径压缩,大大提高了优化效率我们可以看到,我们每次get一个x,它都会遍历它的父节点,若我们重复get,则他会重复遍历,这大大降低了效率。如果我们可以在他返回的时候将他路径上的每个节点的父节点全部改为根节点,则下一次查找...
C C++ Java Python Open Compiler #include <stdio.h> #include <stdlib.h> // Disjoint set data structure struct DisjointSet{ int *parent; int n; }; // Create a new set with element x void MakeSet(struct DisjointSet *ds, int x){ ds->parent[x] = x; } // Find the representative...
B?C={7}B?C={7} C?A={7,2}?{3,4,7}C?A={7,2}?{3,4,7} C?A={7}C?A={7} From the results above, we can see that none of the intersections between the pair of sets is an empty set. Therefore, we can say that the given sets A, B, and C are not disjoint sets. ...
First of all: a disjoint-set data structure is a structure that maintains a collection S1, S2, S3, …, Sn of dynamic disjoint sets. Two sets are disjoint if their intersection is null. For example set {1, 2, 3} and set {1, 5, 6} aren’t disjoint because they have in common {...
连接具有传递性,a连接b,b连接c,等同于a连接c. ( 即所有连接元素处于同一个集合中或拥有同一个类别) 2.基本操作: MakeSet(intN);// initilize N nodes with integer names( 0 to N-1 )voidUnion(inta,intb);// add connection between a and bintFind(inta);// component identifier for p ( 0 to...
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网络并查集;不相交集合数据结构 网络释义
disjoint-set data structure (DSDS)sparse linear systemstructured Gaussian elimination (SGE)triangulationStructured Gaussian elimination (SGE) is a class of methods for efficiently solving sparse linear systems. The key idea is to first triangulate the original linear systems. The maximum component (MC)...
Basics of Disjoint Data Structures Problems Tutorial The efficiency of an algorithm sometimes depends on the data structure that is used. An efficient data structure, like the disjoint-set-union, can reduce the execution time of an algorithm. Assume that you have a set of N el...
Implementation of the Disjoint-Set data structure. The Disjoint-Set, Also called a Union-Find or Merge-Find set, is a data structure that stores a collection of disjoint (non-overlapping) sets. Equivalently, it stores a partition of a set into disjoint subsets. It provides operations for addi...