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Published: 17/11/2017Way to construct binary search tree from preorderTransaversal.Please suggest if there is any suggestion. Node constructTreeFromPreorder(int[] arr,int start,int end) { if(arr==null){ return null; }else ... Read moreSource: stackoverflow.com


Published: 17/11/2017Here's my problem. I have a sorted list of integers. My objective is to find the worst cost of search of the optimal binary search tree. The cost is computed by adding the number of each node used to ... Read moreSource: stackoverflow.com

Published: 17/11/2017You're given a n points, unsorted in an array. You're supposed to find two rectangles that cover all points and they should not overlap. Edges of rectangles should be parallel to x or y ordinate. The ... Read moreSource: stackoverflow.com

Published: 17/11/2017I have made an Binary tree program for my presentation trying to make a postorder traversal using file input, turned out when the insertion step start the tree has only 1 node and then repeat until it ... Read moreSource: stackoverflow.com

Published: 17/11/2017I was solving Dungeon Game on LeetCode. While I was able to come up with the recurrence relation (and determine that it was a DP question in the first place), what is the intuition behind starting fro ... Read moreSource: stackoverflow.com

Published: 17/11/2017I am working on python 3 and networkx 2.0. For enumerating all simple paths between 2 nodes, I am using nx.all_simple_paths. My graph is an undirected multigraph and nx.all_simple_paths enumerates all ... Read moreSource: stackoverflow.com

Published: 17/11/2017i have products table, Columns: favorite true/false column, so some of them are favorited products(by admin)... product release date like 2017 or 2012 Well what i want is, that all products are listed ... Read moreSource: stackoverflow.com

Published: 17/11/2017So I'm fairly new to the whole evolutionary and genetic algorithm world and I'm in the process of writing one now that will optimize an array and return the best possible solution  the fitness. My al ... Read moreSource: stackoverflow.com

Published: 17/11/2017This question already has an answer here: Solve underdetermined system of equations in matlab 2 answers The task is to find all N×N matrices M with integer values, when the sums along the cols and row ... Read moreSource: stackoverflow.com

Published: 17/11/2017I have a fairly large N*N integer matrix Matrix2D (assume sufficient memory), 1 , within each row/column , I need to record the col/row index of an element if it's value is different than it's right/l ... Read moreSource: stackoverflow.com

Published: 17/11/2017I just bombed an interview and made pretty much zero progress on my interview question. Can anyone let me know how to do this? I tried searching online but couldn't find anything: Given a number, find ... Read moreSource: stackoverflow.com

Published: 17/11/2017Here is my sort implemented in C: #defined CUTOFF 10 void swap(int *x, int *y) { *y = *x ^ *y; *x = *x ^ *y; *y = *x ^ *y; } int median3(int *arr, int left, int right) { int center = (right + left) /2 ... Read moreSource: stackoverflow.com

Published: 17/11/2017There is a file that contains 10G(1000000000) number of integers, please find the Median of these integers. you are given 2G memory to do this. Can anyone come up with an reasonable way? thanks! Read moreSource: stackoverflow.com

Published: 17/11/2017This question already has an answer here: All possible combinations of a set that sum to a target value 3 answers There is a vector and a given number. It is necessary to select from the values of the ... Read moreSource: stackoverflow.com

Published: 17/11/2017I have a map[string][]string and I need to "flatten" it to a slice of maps without duplicates. Example below Input map[string][]string{ "apple": []string{"red", "green", "sweet"}, "orange": []string{" ... Read moreSource: stackoverflow.com

Published: 17/11/2017actually in this problem i have a graph with nodes. each edge between two nodes had one cost for pass from it to reach another node.nodes are all things some destination or source even nothing(just fo ... Read moreSource: stackoverflow.com

Published: 17/11/2017I have been stuck on this for the past day. Im not sure how to calculate cpu utilization percentage for processes using round robin algorithm. Let say we have these datas with time quantum of 1. Job L ... Read moreSource: stackoverflow.com

Published: 17/11/2017#include <iostream> using namespace std; int main() { int n; int i; int k; cout << "please insert n"; cin >> n; k=0 ; for (i = n; i > 1; i) { cout << "/n "<< k <& ... Read moreSource: stackoverflow.com

Published: 16/11/2017In the following graph sample, I need to eliminate edges that form "shortcuts" compared to parallel branches that start and end at the same nodes. (Every edge is directed from top to bottom. There are ... Read moreSource: stackoverflow.com

Published: 16/11/2017I have this mathematical, Python problem, where I have to find all numbers in a range which are the sum of maximum 4 square numbers. I can't think about a working algorithm, with my basic knowledge. C ... Read moreSource: stackoverflow.com

Published: 16/11/2017I have an undirected adjacency boost graph without weights. I need to find minimum cycles in the graph. minimum cycle: c1[1 2 3 4 ] , c2[2 3 6 5] , ... but for example: [1 2 5 6 3 4] is NOT a minimum ... Read moreSource: stackoverflow.com
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