Author: SJ

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Find Factorial of a given Number

Objective: Given a number, write a program to find factorial of that number. What is Factorial Number? In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. The value of...

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Kruskal’s Algorithm – Minimum Spanning Tree (MST) – Complete Java Implementation

What is Kruskal Algorithm? Kruskal’s algorithm for finding the Minimum Spanning Tree(MST), which finds an edge of the least possible weight that connects any two trees in the forest It is a greedy algorithm. It...

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Prim’s – Minimum Spanning Tree (MST) |using Adjacency List and Priority Queue without decrease key in O(ElogV)

Earlier we have seen the implementation of prim’s algorithm using priority queue with decrease key and how decrease key has increased the time complexity. In this article we will improve the implementation(without decrease key)...

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Prim’s – Minimum Spanning Tree (MST) |using Adjacency List and Priority Queue with decrease key

Earlier we have seen what is Prim’s algorithm is and how it works. In this article we will see its implementation using adjacency list and Priority Queue. We strongly recommend to read – prim’s...

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Prim’s Algorithm – Minimum Spanning Tree (MST)

What is Prim’s algorithm? Prim’s algorithm is a greedy algorithm. It finds a minimum spanning tree for a weighted undirected graph. This means it finds a subset of the edges that forms a tree that includes every vertex, where the total weight of all...

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Graph – Find Cycle in Undirected Graph using Disjoint Set (Union-Find)

Objective: Given a graph, check if the graph contains a cycle using disjoint set. Note: Disjoint-set data structure, also called a union–find data structure or merge–find set. Example: Earlier in Detect Cycle in Undirected Graph using DFS we...

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