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Published: 19/09/2017Im writing a program that provides directions from room to room within my school. I am writing in Java. I created a weighted graph using the JGraphT library, and have implemented a way to create a lis ... Read moreSource: stackoverflow.com


Published: 19/09/2017I've looked at many questions regarding rounding up to the nearest multiple of a number, but I can't understand their methods well enough to adopt them for rounding up to 45 or they use language speci ... Read moreSource: stackoverflow.com

Published: 19/09/2017Here is a programming problem: Four integers A, B, C and D are given. A mix of them is any zeroindexed array M consisting of these four integers in some order. If all the given integers are unique, t ... Read moreSource: stackoverflow.com

Published: 19/09/2017I've created a very simple linked list in Java: public class LinkedList { class Node { public Node next; public int item; public Node (int item) { this.item = item; } } int listSize = 0; Node first = ... Read moreSource: stackoverflow.com

Published: 19/09/2017Are there any heap data structure implementations out there, fibonacci, binary, or binomial? Reference: These are data structures used to implement priority queues, not the ones used to allocate dynam ... Read moreSource: stackoverflow.com

Published: 19/09/2017This function allows to estimate the entropy of a time series. It is based on the LempelZiv compression algorithm. For a time series of length n, the entropy is estimate as: E= (1/n SUM_i L_i )^1 ln ... Read moreSource: stackoverflow.com

Published: 19/09/2017Suppose I want to find n distinct numbers in the range from 1 to N, so that their sum is equal to N. e.g. n = 3, N = 10: the numbers will be (1, 3, 6); n = 4, N = 10: the numbers will be (1, 2, 3, 4). ... Read moreSource: stackoverflow.com

Published: 19/09/2017I can't find any open code in order to transliterate Thai script to a phonetic equivalent. For example: สวัสดี which can be transliterated to sàwàtdi It's like pinyin for Chinese. This enables lea ... Read moreSource: stackoverflow.com

Published: 19/09/2017I was reading about how to calculate the height of a B+ tree, I found the we can calculate it using: Where N is the number of keys, and m is the order size. However, I dont know what is meant by the n ... Read moreSource: stackoverflow.com

Published: 19/09/2017I have written a simple insertion sort algorithm, it is working well. What I would like is if the program printed the contents of the array when it is half sorted. I can print the contents of the arra ... Read moreSource: stackoverflow.com

Published: 19/09/2017I have problem to find method to compare two trajectories (curves). The first original contains points (x,y). The second one can be offset, smaller or larger scale, and with rotation  also array with ... Read moreSource: stackoverflow.com

Published: 19/09/2017Recently I read somewhere that although both CRC32 and MD5 are sufficiently uniform and stable, CRC32 is more efficient than MD5. MD5 seems to be a very commonly used hashing algorithm but if CRC32 is ... Read moreSource: stackoverflow.com

Published: 19/09/2017I was reading through the std::algorithm documentation at cppreference.com and I noticed a C++17 tag on a lot of cool things I haven't used yet. What got my attention most was the new execution polici ... Read moreSource: stackoverflow.com

Published: 19/09/2017I run the CYK algorithm, however, I am trying to do it as a top down design (memoization), any help? bool canDerive(nonterminal S, string w) { return canDeriveRec(S, w, 0, w.size()); } /* Can you deri ... Read moreSource: stackoverflow.com

Published: 19/09/2017A date of this format can 152015 can be interpreted as MMddyyyy ddMMyyyy, to tackle with this problem I am going to assume one of the formats and will go through the whole file and check all the ... Read moreSource: stackoverflow.com

Published: 19/09/2017I need to recognize strings of the form xw(w^r)y in O(n2) time, where xw(w^r)y is a lower case string in the English alphabet. Here, w^r is a permutation of the characters in w. For example, the strin ... Read moreSource: stackoverflow.com

Published: 19/09/2017I need to generate two different random numbers, they can't be equal to each other or to a third number. I tried to use a lot of if's to cover every possibility but, it seems my algorithm skills are n ... Read moreSource: stackoverflow.com

Published: 19/09/2017I got an algorithm counting max weight of independent tree subset: def optimal_solution(tree, v, parent): m_first = tree[v].weight m_second = 0 for child in tree[v].children: if child != parent: for g ... Read moreSource: stackoverflow.com

Published: 18/09/2017I'm looking for the fastest algorithm for grouping points on a map into equally sized groups, by distance. The kmeans clustering algorithm looks straightforward and promising, but does not produce eq ... Read moreSource: stackoverflow.com

Published: 18/09/2017I'm working on a challenge that asks to insert new line characters at specific intervals in a string. Examples of expected returns: insertNewLine('Happiness takes wisdom and courage', 20) => 'Happi ... Read moreSource: stackoverflow.com

Published: 18/09/2017Problem: Given a set of rectangles, find, for each rectangle, all chains of other "lower" (or "higher") overlapping rectangles. Problem set: we are given a set of rectangles. Each rectangle is represe ... Read moreSource: stackoverflow.com
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