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Category Archives: Graph

Given an array A of N numbers where Ai represent the value of the (i+1)th node. Also given are M pair of edges where u… Read More
The backbone analysis of any network is broadly accomplished by using Graph Theory and its Algorithms. The performance constraints are Reliability, Delay/Throughput and the goal… Read More
Given a grid with different colors in a different cell, each color represented by a different number. The task is to find out the largest… Read More
Suppose there are n towns connected by m bidirectional roads. There are s towns among them with a police station. We want to find out… Read More
Prerequisite : NP-Completeness The class of languages for which membership can be decided quickly fall in the class of P and The class of languages… Read More
Permutation A permutation is an arrangement of elements. A permutation of n elements can be represented by an arrangement of the numbers 1, 2, …n… Read More
Given an unweighted directed graph, can be cyclic or acyclic. Print the number of shortest paths from a given vertex to each of the vertices.… Read More
Given a graph with N nodes numbered from 1 to N and M edges and an array of numbers from 1 to N. Check if… Read More
Transpose of a directed graph G is another directed graph on the same set of vertices with all of the edges reversed compared to the… Read More
Given an unweighted graph, a source, and a destination, we need to find the shortest path from source to destination in the graph in the… Read More
Given an undirected graph, task is to find the minimum number of weakly connected nodes after converting this graph into directed one.  Weakly Connected Nodes… Read More
Given an undirected colored graph(edges are colored), with a source vertex ‘s’ and a destination vertex ‘d’, print number of paths which from given ‘s’… Read More
Given two positive integer n, k. Consider an undirected complete connected graph of n nodes in a complete connected graph. The task is to calculate… Read More