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Published: 18/11/2017You may have heard about the wellknown problem of finding the longest increasing subsequence . The optimal algorithm has O(n*log(n)) complexity. I was thinking about problem of finding all increasing ... Read moreSource: stackoverflow.com


Published: 18/11/2017For 100 inputs: case 1: for i in range(100): print(i*i) Is it in complexcity O(100) ? case 2: we have written print() function 100 times manually like print(1*1) print(2*2) . . . print(100*100) What i ... Read moreSource: stackoverflow.com

Published: 18/11/2017Im trying to solve codeforces problem 435B this is the link. http://codeforces.com/problemset/problem/453/B . I thought of agganging the numbers greedily in descending order. i.e use the nearest prime ... Read moreSource: stackoverflow.com

Published: 18/11/2017I would like pointers on how to approach the following homework assignment: Apply Merge Sort on the Data given below: 76 50 51 71 63 83 26 88 60 40 70 29 74 40 78 26 By method/case: i) Dividing data i ... Read moreSource: stackoverflow.com

Published: 18/11/2017So im relatively unexpereienced when it comes to python and programming in General, and i dont quite understand the code i have been given to by my teacher, not even mentioning the question. If you gu ... Read moreSource: stackoverflow.com

Published: 18/11/2017I would be wondered if there exists some logic to reverse the linked list using only two pointers. The following is used to reverse the single linked list using three pointers namely p, q, r: struct n ... Read moreSource: stackoverflow.com

Published: 18/11/2017My task: Merge text and key arrays. For example: text = "abcd" key = "12" step = 2 result = "1ab2cd" Now I have the following code: static void Main(string[] args) { string text = "abcd"; int textL = ... Read moreSource: stackoverflow.com

Published: 18/11/2017I'm trying to write an algorithm on some lists: a = [2, 4, 6, 8, 10, 12, 14] b = [[0, 5, 6], [1, 9, 10], [2, 13, 14], [3], [4], [5], [6]] Where a[0] corresponds to b[0] , a[1] to b[1] , and so on. and ... Read moreSource: stackoverflow.com

Published: 18/11/2017I am using python pow(n,k,mod) to get the power sum of natural numbers, but not getting perfect time complexity. what i used mod = 10**9+9 total = 0 for i in range(2, n): x = pow(i, k, mod) total += x ... Read moreSource: stackoverflow.com

Published: 18/11/2017A problem to find Number of paths between two particular vertices of a directed graph and if there exists a cycle in between them then the number of paths are infinite, so I know the algorithm to find ... Read moreSource: stackoverflow.com

Published: 18/11/2017I have got 2 objects with an identical structures but some value differences: obj1 = { firstname: 'john', lastname:'smith', children : [ {name: 'sam', age: '2'}, {name: 'mike', age: '6'} ], address: { ... Read moreSource: stackoverflow.com

Published: 18/11/2017Given the equation K = k * G where K is the public key, G is the Generator point and k is the private key G is constant based here Let's take for example the private key 1 k = 000000000000000000000000 ... Read moreSource: stackoverflow.com

Published: 18/11/2017I am having difficulties removing duplicates in insertion sorting. for(int i = 1; i < arr.Length; i++){ int key = arr[i]; while(i > 0 && arr[i1] >= key){ if(arr[i1] == key) continue ... Read moreSource: stackoverflow.com

Published: 18/11/2017I have got a situation where I need to find all possible combinations of numbers in a list which when added equals to a target. For example consider a list  (4,6,10,20,30,40) and target = 20. So poss ... Read moreSource: stackoverflow.com

Published: 18/11/2017I have a nested linked list of the form: struct child { char name[15]; int num; struct child *next; }; struct parent { char name[15]; struct child *head_child; struct parent *next; }; struct parent *h ... Read moreSource: stackoverflow.com

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
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