Array Algorithms are defined as functional algorithms where each step of the algorithm results in a function being applied to an array, producing an array result

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sublists of a list with possitive sum

I'm trying to find the sublist of a list (with at least one positive integer) with the following 2 properties 1. the sum of it's elements is positive 2. it has the maximum length of all the other sub ...
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4answers
133 views

Sorting array algorithm - duplicate values

I have an Integers array size N with duplicates values and I don't know the range of the values. I have n/logn Different values in this array, and all the rest are duplicates. Is there a way to sort ...
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2answers
258 views

Find Possible addition combinations in array

What is the best way to approach this problem? I have no idea on how to start. This is not a homework problem, but rather practice for interviews. 'Using the JavaScript language, have the function ...
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2answers
71 views

Find all number pairs in a given range

I have N numbers let say 20 30 15 30 30 40 15 20. Now I want to find how many numbers pairs are in a given range.(L and R given). number pair= both numbers are same. My approach: Create a Map of ...
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1answer
339 views

Merge sort using one array

My merge sort algorithm is given below... As we know this algorithm needs extra memory. Is there any way to do sorting with only one array? (Sorting in a single array.) My merge sort algorithm is: ...
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1answer
95 views

How to find median of m sorted arrays?

How to find the median of M sorted arrays of integers? Where the size of each array is bounded by N. Assume that each array contains sorted integer elements. There are two variation of this question. ...
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1answer
130 views

Is linear prefix average method better than quadratic prefix average method?

I've created a method (based on pseudocode I found online) to compute prefix averages for an array but I'm not sure I've satisfied the requirement. The requirement is: Given an array a[1…n] of ...
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1answer
409 views

implementing Brute Force in c++

I have a problem that deals with optimization of a game that includes 2 players. So we have an undirected connected graph with a number of edges and some vertices. Each player has to remove edges and ...
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0answers
41 views

How to use a Linear Search in this particular instance in C#?

I'm reading a text file of dates like this string[] Date = System.IO.File.ReadAllLines("Date.txt"); I am then converting them like this DateTime[] Dates = Array.ConvertAll(Date, s => ...
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68 views

Improving quicksort to sort in linear time?

Can we sort unsorted array of real numbers in linear time? This is what I am thinking : Given an unsorted array of size n : Find out the sqrt(n)^th element using selection algorithm (call it x): ...
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0answers
80 views

ith order statistic with bandwidth constraint

Consider the following: Mary and Larry each have an array, M [1,..., n] and L[1,..., n] respectively. All of the elements in M and L are distinct. Mary and Larry are interested in finding the i th ...
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34 views

Optimize / redesign this java code

folks. I need help or advice on decision making about a a design pattern (or sort of such) to uuse: Have an application, running on weblogic via EJBs. Part of application deals with the the very ...
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MAXOR operation for elements in array

Can someone please guide me in understanding this puzzle. The editorial is really bad. Why should I xor the digits from 1 to 128 with array[i] ? ...