### Representation Of Graphs: Adjacency Matrix And Adjacency List

Adjacency list representation of a graph is very memory efficient when the graph has a large number of vertices but very few edges.; For an undirected graph with n vertices and e edges, total number of nodes will be n + 2e. If e is large then due to overhead of maintaining pointers, adjacency list representation does not remain cost effective over adjacency matrix …

### Dijkstra’s Algorithm For Adjacency List Representation ...

Jan 17, 2022 · With adjacency list representation, all vertices of a graph can be traversed in O(V+E) time using BFS. The idea is to traverse all vertices of graph using BFS and use a Min Heap to store the vertices not yet included in SPT (or the vertices for which shortest distance is not finalized yet).

### User Defined Data Structures In Python - GeeksforGeeks

Jan 19, 2022 · Adjacency list of vertex 2. head -> 3 -> 0. Adjacency list of vertex 3. head -> 0 -> 2 -> 1 Hashmap. Hash maps are indexed data structures. A hash map makes use of a hash function to compute an index with a key into an array of buckets or slots. Its value is mapped to the bucket with the corresponding index. The key is unique and immutable. In ...

### Full Binary Tree - Programiz

A full Binary tree is a special type of binary tree in which every parent node/internal node has either two or no children. Also, you will find working examples to check the full binary tree in C, C++, Java, and Python.