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Published: 19/02/2017I have been given an array. I need to find the length of maximum subarray in which the first element is greater than the last element. For example 5 4 3 2 1. Length of max subarray is 5 since first el ... Read moreSource: stackoverflow.com


Published: 19/02/2017I just tried for my first programming interview and one of the questions was to write a program that given a 7 digit telephone number, could print all possible combinations of letters that each number ... Read moreSource: stackoverflow.com

Published: 19/02/2017I have an array A along with 3 variables k , x and y . I have to find number of unordered pairs (i,j) such that the sum of two elements mod k equals x and the product of the same two elements mod k is ... Read moreSource: stackoverflow.com

Published: 19/02/2017Started studying about complexity, I'm struggling with this one: void what(int n) { int i; for (i = 1; i <= n; i++) { int x = n; while (x > 0) x = i; } } Well, the first for loop is clearly O(n ... Read moreSource: stackoverflow.com

Published: 19/02/2017I Write an optimization algorithm in MyEclipse,but the algorithm isn't quicker than he original algorithm.But when I Open a web page(only open ,nothing is ok), the optimization algorithm become quicke ... Read moreSource: stackoverflow.com

Published: 19/02/2017I have 8 values that are generated every loop iteration as a result of a ranking operation. I want to detect when the highest rank starts decreasing in relation to whatever starts increasing out of th ... Read moreSource: stackoverflow.com

Published: 19/02/2017This question already has an answer here: Determining complexity for recursive functions (Big O notation) 2 answers I'm new here. I've one problem bubbling in my mind all the times after learning Big ... Read moreSource: stackoverflow.com

Published: 19/02/2017From the Algorithm Design Manual, 2nd edition, question 522: Design a lineartime algorithm to eliminate each vertex v of degree 2 from a graph by replacing edges (u,v) and (v,w) by an edge (u,w). We ... Read moreSource: stackoverflow.com

Published: 19/02/2017I need a code that sorts an array of structs in ascending order by name or age using the bubblesort algorithm. I read all the elements and I understand the part of sorting. The problem is that I shoul ... Read moreSource: stackoverflow.com

Published: 19/02/2017I have been given an array of size n and I have to calculate sum of k elements such that the sum should be divisible by f . for e.g. n = 5 array _a_ = [1,2,3,4,5] k = 3 f = 5 Therefore, the answer wil ... Read moreSource: stackoverflow.com

Published: 19/02/2017When I create a BST, during insertion of nodes I check whether the value of the new node is less than left child or greater than right child. And I traverse my way down till I find the correct positio ... Read moreSource: stackoverflow.com

Published: 19/02/2017Currently in an algs class and trying to do all the homework in Haskell. When I implemented binary tree traversal in the following way, it took 2.3 seconds on an input of size roughly 10^5 with keys o ... Read moreSource: stackoverflow.com

Published: 19/02/2017Hello and I might be making a stupid mistake here, but I was wondering if anyone could help me out! I'm supposed to store values in an array with the size of 20, using a given algorithm, but after my ... Read moreSource: stackoverflow.com

Published: 19/02/2017The problem statement is to find Minimum number of squares required whose side is of power of 2 required to cover a rectangular grid of size n by m. I wrote the following code : ll solve(ll n,ll m) { ... Read moreSource: stackoverflow.com

Published: 19/02/2017Edit: my main question is that I want to replicate the TI84 plus RNG algorithm on my computer, so I can write it in a language like Javascript or Lua, to test it faster. I tried using an emulator, bu ... Read moreSource: stackoverflow.com

Published: 19/02/2017I recently implemented Karatsuba Multiplication as an personal exercise. I wrote my implementation in Python following the pseudocode provided on wikipedia: procedure karatsuba(num1, num2) if (num1 &l ... Read moreSource: stackoverflow.com

Published: 19/02/2017over the last few days I've been desperately trying to find a working floodfill algorithm. Of the many algorithms i've tried only the 'recursive line fill' one behaves exactly as it should with the ma ... Read moreSource: stackoverflow.com

Published: 19/02/2017I can't find a counterexample to this, but I do not know a formal way of proving it. Can anyone lead me in the right direction? This is "littleo" notation by the way. So a strict upper bound f(n) = o ... Read moreSource: stackoverflow.com

Published: 19/02/2017Problem statement: Given a structured large dataset where each row of dataset contains N elements. I need to produce output dataset with equal number of rows where N elements mapped to K elements wher ... Read moreSource: stackoverflow.com

Published: 19/02/2017[7,1,2,3,2,4,1,5,6] What algorithm sorts new and duplicate values in linear time using no extra space? Counting sort sorts the unique values as far as I know, and other comparision sorts are not O(n). Read moreSource: stackoverflow.com

Published: 19/02/2017We have a practical problem in a MSc program at a university in which a student has to be assigned to a lab. The numbers involved are not very large so I am not looking for a fast solution, but rather ... Read moreSource: stackoverflow.com
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