## K Centers Problem | Set 1 (Greedy Approximate Algorithm)

Given n cities and distances between every pair of cities, select k cities to place warehouses (or ATMs or Cloud Server) such that the maximum… Read More »

Given n cities and distances between every pair of cities, select k cities to place warehouses (or ATMs or Cloud Server) such that the maximum… Read More »

Every positive fraction can be represented as sum of unique unit fractions. A fraction is unit fraction if numerator is 1 and denominator is a… Read More »

Given a number of friends who have to give or take some amount of money from one another. Design an algorithm by which the total… Read More »

Given an array of jobs where every job has a deadline and associated profit if the job is finished before the deadline.

Given arrival and departure times of all trains that reach a railway station, find the minimum number of platforms required for the railway station so… Read More »

There are given n ropes of different lengths, we need to connect these ropes into one rope. The cost to connect two ropes is equal… Read More »

Given a string and a positive integer d. Some characters may be repeated in the given string.

We introduced graph coloring and applications in previous post. As discussed in the previous post, graph coloring is widely used.

We recommend to read following two posts as a prerequisite of this post. 1. Greedy Algorithms | Set 7 (Dijkstra’s shortest path algorithm) 2. Graph and… Read More »

Given a graph and a source vertex in graph, find shortest paths from source to all vertices in the given graph.

We recommend to read following two posts as a prerequisite of this post.

We have discussed Kruskal’s algorithm for Minimum Spanning Tree. Like Kruskal’s algorithm, Prim’s algorithm is also a Greedy algorithm. It starts with an empty spanning tree.

We recommend to read following post as a prerequisite for this. Greedy Algorithms | Set 3 (Huffman Coding) Time complexity of the algorithm discussed in… Read More »

Huffman coding is a lossless data compression algorithm. The idea is to assign variable-length codes to input characters, lengths of the assigned codes are based… Read More »

What is Minimum Spanning Tree? Given a connected and undirected graph, a spanning tree of that graph is a subgraph that is a tree and… Read More »