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K-Means Algorithm

The algorithm of kMeans is an unsupervised learning algorithm for clustering a set of items into groups. Given a set of multi-dimensional items and a number of clusters, k, we are tasked of categorizing...

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Longest contiguous character in a given String – O(N) Solution

Objective: Given an input string, write an algorithm to find the longest contiguous character or in other words, find a maximum consecutive character in the string. Example: Input: “aaabbccccddbbaaa” Output: c, count = 4...

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Dynamic Programming – Maximum Subarray Problem

Objective:  The maximum subarray problem is the task of finding the contiguous subarray within a one-dimensional array of numbers which has the largest sum. Example: int [] A = {−2, 1, −3, 4, −1, 2, 1, −5,...

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