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Category Archives: Graph

Given an undirected Graph consisting of N nodes in the form of an adjacency matrix graph[][] of size N*N, the task is to print all… Read More
Given a positive integer N, the task is to find the number of unique permutations of first N natural numbers having sum of the adjacent… Read More
Given an array arr[] consisting of N strings representing the name of the students in the class and another array of pairs P[][2] such that… Read More
Given an unweighted graph and a boolean array A[ ], where if the ith index of array A[ ] denotes if that node can can… Read More
Given a matrix mat][][] of size M x N which represents the topographic map of a region, and 0 denotes land and 1 denotes elevation,… Read More
Given an undirected graph consisting of N vertices and M edges and an array edges[][], with each row representing two vertices connected by an edge,… Read More
Data structures are divided into two categories Linear data structures and Non-Linear data structures. The major disadvantage of the linear data structure is we cannot… Read More
Given N nodes valued by [1, N], an array arr[] consisting of N positive integers such that the ith node ( 1-based indexing ) has… Read More
Given an undirected weighted graph G consisting of N vertices and M edges, and two arrays Edges[][2] and Weight[] consisting of M edges of the… Read More
Given two graphs G1 and G2, the task is to find the union and intersection of the two given graphs, i.e. (G1 ∪ G2) and… Read More
Graph Coloring is the method to assign colors to certain elements of a graph. The most common method for this is the Vertex Coloring Method.… Read More
Given an adjacency matrix adj[][] of an undirected graph consisting of N vertices, the task is to find whether the graph contains a Hamiltonian Path… Read More
Given a Directed Tree consisting of N nodes, the task is to check if there exists a node in the given tree such that all… Read More
Given a matrix arr[][], consisting of only 0, 1, and 2, that represents an empty ward, an uninfected patient, and an infected patient respectively. In… Read More
For a connected and undirected graph, a spanning tree of that graph is a subgraph that is a tree and connects all the vertices together.… Read More

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