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Published: 16/10/2018Given an array, say, arr = [5, 5, 4, 4, 2, 1] , how can I find, of all possible permutations of this array, the number of permutations which are same like the original array itself (assuming the origi ... Read moreSource: stackoverflow.com


Published: 16/10/2018Suppose there's a bipartite graph. Then can I say that from the two bipartite partitions of V, the partition with max cardinality is the max independent set of that graph? Since, all edges in a bipart ... Read moreSource: stackoverflow.com

Published: 16/10/2018I created a recursive function that will draw any 2D polygon, using the turtle module. How can I optimise my code without using the global variables in the way that I have done, while maintaining code ... Read moreSource: stackoverflow.com

Published: 16/10/2018You are given an n x n chessboard with k knights (of the same color) on it. Someone has spilled superglue on k of the squares, and if a knight ever finishes his move on one of these glue squares, it b ... Read moreSource: stackoverflow.com

Published: 16/10/2018There will be n lines with 2 inputs. The inputs are the start and end of the y coordinates. Each line is parallel to the y axis and separated by one unit on the x axis. q queries are asked in which ea ... Read moreSource: stackoverflow.com

Published: 16/10/2018public class ValidInvalidNodes { public static void main(String[] args) { int[][] arr = { { 5, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 5, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ... Read moreSource: stackoverflow.com

Published: 16/10/2018A standard phone number pad has the following layout 123 456 789 0 Using this layout and a starting digit we can generate numbers as follows: The first digit is the starting digit and each subsequent ... Read moreSource: stackoverflow.com

Published: 16/10/2018I need to return or print a file/directory tree using stack data structure. For example: Folder1 Folder1.1 File1.1.1 Folder1.2 Folder2 File2.1 File2.2 ... My code so far: public static void filetree(F ... Read moreSource: stackoverflow.com

Published: 16/10/2018(For my purposes "polygons" do not included selfintersecting polygons or polygons with holes  just simple (concave or convex) polygons.) I have found various suggestions for this problem, which are ... Read moreSource: stackoverflow.com

Published: 16/10/2018I have generated an string using the following alphabet. {A,C,G,T} . And my string contains more than 10000 characters. I'm searching the following patterns in it. ATGGA TGGAC CCGT I have asked to use ... Read moreSource: stackoverflow.com

Published: 16/10/2018I'm quite new to python and algorithm and I want to declare a function inside the class rather than outside of it. The followings are what I have now: A general Tree Class NAryTree implementation: cla ... Read moreSource: stackoverflow.com

Published: 16/10/2018I have a method in a class that receives an element and put it into a list, the class has another method that prints that list like a Tree, but the problem is when you add the same object as a child i ... Read moreSource: stackoverflow.com

Published: 16/10/2018I really hope you can help me I have an array of objects and I need an algorithm or a pointer to something to read up on that will sort them by similarity to their neighbours. For Example [ {a:12,b: 7 ... Read moreSource: stackoverflow.com

Published: 16/10/2018Reading algorithms. Why F(0) = 1? From where does it originate? If you see this factorial in Python: def factorial(n): if n == 1: return 1 elif n == 0: return 1 else: return n * factorial(n1) I think ... Read moreSource: stackoverflow.com

Published: 16/10/2018I am working on search use case for an organization where data has to be searched in two phases. level one search depends on the users office location at organization level. for example if user is sea ... Read moreSource: stackoverflow.com

Published: 16/10/2018I am trying to implement common alghorithm in Swift. Even though I did not define numbers as a let variable, but I am getting following error: cannot assign through subscript: 'numbers' is a 'let' con ... Read moreSource: stackoverflow.com

Published: 16/10/2018I'm planning to write a program to sync a folder in real time across multiple computers over the internet. I'm wondering if there is any sync algorithm to handle file sync conflicts, ie, computer A tr ... Read moreSource: stackoverflow.com

Published: 16/10/2018This solution to the staircase prints the correct output, but in the opposite direction. Any idea how to alter this solution to get the desired result? import java.io.*; import java.math.*; import jav ... Read moreSource: stackoverflow.com

Published: 15/10/2018(My first post, I apologise for any mistakes) I'm working with a small set of data in CSV files, which I need to read, process, and then export as a text file. The format of the CSV data is: REGO,STAT ... Read moreSource: stackoverflow.com

Published: 15/10/2018I have an array and i want to get all combination of sums of its number. let arr=[1,2,3,4,5]; 1st iteration : 1+2=3,1+3=4, 1+4=5, 1+5=6 and array becomes arr[1,2,3,4,5,6] 2nd iteration : 2+1=3,2+3=5, ... Read moreSource: stackoverflow.com

Published: 15/10/2018I'm looking for an algorithm to map values to a unit scale with logarithmic spacing. The scale ranges from 0 to 1. Incoming values would be in the range of 0 to 10000. 0 maps to 0, 1 maps to .2, 10 ma ... Read moreSource: stackoverflow.com
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