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Published: 20/02/2017I have an integer array with some finite number of values. My job is to find the minimum difference between any two elements in the array. Consider that the array contains 4, 9, 1, 32, 13 Here the dif ... Read moreSource: stackoverflow.com


Published: 20/02/2017private int NegaMax(int p) { int End = GameOver(); if (End != 0) return End; int best_value = (p == 1) ? 512 : 2048; for (int b = 1; b <= 256; b = b << 1) { int move = (~(X  O) & b); if ... Read moreSource: stackoverflow.com

Published: 20/02/2017A long time ago I screwed with my HDD and had to recover all my data, but I couldn't recover the files' names. I used a tool to sort all these files by extension, and another to sort the JPGs by date, ... Read moreSource: stackoverflow.com

Published: 20/02/2017Using the "play golf" or "play ball" data (listed at the bottom), to pick the root node we look at Outlook, Temperature, Humidity, and Wind, to see which has the highest GainRatio. Now, Outlook will b ... Read moreSource: stackoverflow.com

Published: 20/02/2017I am trying to get this code running as fast as possible when traversing through my stack of my DFS currently the input files are like so: 0 2 2 1 1 4 4 5 5 6 10 8 8 9 9 6 7 6 3 4 0 1 3 9 0 4 Where my ... Read moreSource: stackoverflow.com

Published: 20/02/2017I am trying to print all the permutations of a string using recursion as below. But I was wondering if we can use bfs or dfs also to do this, am I thinking right? If yes, then can you please give me a ... Read moreSource: stackoverflow.com

Published: 20/02/2017void permute(string elems, int mid, int end) { static int count; if (mid == end) { cout << ++count << " : " << elems << endl; return ; } else { for (int i = mid; i <= end; i ... Read moreSource: stackoverflow.com

Published: 20/02/2017I don't quite understand why to sort an array of length N by a topdown merge sort, it only needs 6NlogN array accesses. (each level requires 6N, the height is lgN, so it's 6NlgN in total) Each merge ... Read moreSource: stackoverflow.com

Published: 20/02/2017I am searching an algorithm to generate the complete finite language from a nonrecursive contextfree grammar. The application is the generation of a set of possible scenarios for test automation. Ex ... Read moreSource: stackoverflow.com

Published: 20/02/2017I participated in a coding challenge on hackerearth , and i was asked the following question . Alice and Bob are playing a game in which Bob gives a string SS of length NN consisting of lowercase Engl ... Read moreSource: stackoverflow.com

Published: 20/02/2017I am trying to understand the O(N^4) explanation for the assignment problem by reading the topcoder article [1] . Specifically, i am unable to comprehend how the default O(N^5) procedure can be conver ... Read moreSource: stackoverflow.com

Published: 20/02/2017It is known that the hamming distance is applied to calculate the difference between two binary strings. Is it possible to apply it to calculate the difference between nonbinary structures? Read moreSource: stackoverflow.com

Published: 20/02/2017Suppose, a contiguous array of following type has to be sorted: struct X { string id, parent_id; int value; bool operator< (const X& x) const { return value < x.value; } }; With aforemention ... Read moreSource: stackoverflow.com

Published: 20/02/2017I am trying to get this code running as fast as possible when traversing through my stack of my DFS currently the input files are like so: 0 2 2 1 1 4 4 5 5 6 10 8 8 9 9 6 7 6 3 4 0 1 3 9 0 4 Where my ... Read moreSource: stackoverflow.com

Published: 20/02/2017I am thinking of creating a program that, given an boolean expression, for example, true and false xor true places parenthesis around the "operations" and returns the new equations that have true as a ... Read moreSource: stackoverflow.com

Published: 20/02/2017Let's say I have 4 heat sensors on each corner of a square. The more a sensor moves towards a heated object its value increased from a scale of 0 to 1. Lets say I move this square which one sensor (F1 ... Read moreSource: stackoverflow.com

Published: 20/02/2017I'm trying to clarify how to calculate O(n) for the following case: Given a sorted array, how would you find two numbers whose sum is equal to a given number x in O(n)? An O(n) solution would be: Remo ... Read moreSource: stackoverflow.com

Published: 20/02/2017This method seeks to express num as a product of elements in arr. For e.g method1(37,[1,3,5]) returns [2,0,7] def method1(num, arr) *arr is an array of divisors sorted in asc order eg [1,3,5] newArr = ... Read moreSource: stackoverflow.com

Published: 20/02/2017This question already has an answer here: How to sort an NSMutableArray with custom objects in it? 21 answers i have time array of type nsmutablearray. and i want to sort this array in ascending time ... Read moreSource: stackoverflow.com

Published: 20/02/2017I am working on a project where I have to read large STL files(which may be defective) and do certain operations like grouping the triangles based on whether they lie inside or outside, finding the ne ... Read moreSource: stackoverflow.com

Published: 20/02/2017I recently took an online test on codility as part of a recruitment process. I was given two simple problems to solve in 1 hour. For those who don't know codility, its an online coding test site where ... Read moreSource: stackoverflow.com
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