binary-search Questions
3
I was reading this editorial and got confused with this statement:
If the array elements are all non-negative, we can use binary search to find the answer in O(n log S) time, where S is the maxi...
Calzada asked 27/1, 2016 at 8:59
8
Solved
Currently, when I search for the element that is at the midpoint it returns the correct index, but for any other element it does not work for me.
I think I am making a mistake when I split the arra...
Chrisse asked 13/2, 2017 at 13:16
5
Solved
What's the difference between this two formulas
mid = low + (high - low) / 2;
mid = (high + low) / 2;
Sagacity asked 11/9, 2020 at 12:33
8
Solved
I was wondering if it is possible to find the closest element in a sorted List for a element that is not in the list.
For example if we had the values [1,3,6,7] and we are looking for the ele...
Harsho asked 14/5, 2015 at 18:56
5
Solved
When implementing Insertion Sort, a binary search could be used to locate the position within the first i - 1 elements of the array into which element i should be inserted.
How would this affect t...
Slusher asked 2/8, 2013 at 16:47
8
Solved
In a general binary search, we are looking for a value which appears in the array. Sometimes, however, we need to find the first element which is either greater or less than a target.
Here is my u...
Khalif asked 1/7, 2011 at 22:57
9
Solved
I am not able to solve the following problem optimally nor finding an approach to do this anywhere.
Given a N × M matrix in which each row is sorted, find the overall median of the matrix. Assum...
Appertain asked 1/1, 2017 at 9:10
11
Solved
I have a sorted list which is rotated and would like to do a binary search on that list to find the minimum element.
Lets suppose initial list is {1,2,3,4,5,6,7,8}
rotated list can be like {5,6,7,...
Hedelman asked 9/5, 2010 at 2:35
6
Solved
I have a big text file (5Mb) that I use in my Android application. I create the file as a list of pre-sorted Strings, and the file doesn't change once it is created. How can I perform a binary sear...
Exudation asked 4/4, 2012 at 11:27
1
Is there a standard library method for binary search on a sorted list in Dart?
I've Googled and there seems to be one in flutter, but I can't find one in dart.
I also found this bug which mention...
Dinitrobenzene asked 30/5, 2020 at 19:51
17
Solved
This is a homework question, binary search has already been introduced:
Given two arrays, respectively N and M elements in ascending order, not necessarily unique:
What is a time efficient algorit...
Viewable asked 5/1, 2011 at 18:43
4
Solved
Is there a function in that uses binary search, like lower_bound but that returns the last item less-than-or-equal-to according to a given predicate?
lower_bound is defined to:
Finds the posit...
Pampa asked 3/4, 2012 at 8:30
4
Solved
What is the difference between binary search and binary search tree?
Are they the same? Reading the internet it seems the second is only for trees (up to 2 children nodes) and binary search doesn'...
Healion asked 5/2, 2014 at 18:57
8
Solved
Based on the following definition found here
Returns an iterator pointing to the
first element in the sorted range
[first,last) which does not compare
less than value. The comparison is
done...
Zellers asked 22/6, 2011 at 16:52
17
Solved
When given a static set of objects (static in the sense that once loaded it seldom if ever changes) into which repeated concurrent lookups are needed with optimal performance, which is better, a Ha...
Amulet asked 11/12, 2008 at 16:48
1
I'm trying to implement Binary search and everything works fine for all the numbers except the corner cases:
const a = [1,2,3,4,5];
function findNum(arr, num) {
let start=0, end = arr.len...
Dropping asked 16/8, 2019 at 19:40
2
Solved
I cannot find any method implementing binary search. Is that because I failed to locate it, or is it because it doesn't exist?
I think the second, but I couldn't find a duplicate question, so mayb...
Magnuson asked 10/7, 2019 at 8:24
4
Solved
So I was trying to solve the following problem:
Given an array of integers. Find a peak element in it. An array element is peak if it is NOT smaller than its neighbors. For corner elements, we ...
Linkous asked 7/12, 2014 at 20:58
2
Solved
I have had a tough time with this problem on leetcode.
I've had to look up solutions because for some reason, my code would always end up having some issue. The current code I have, still loops in...
Irby asked 28/3, 2019 at 19:11
3
Solved
I am trying to implement binary search with the following function:
def buggy_binary_search(input, key):
low = 0
high = len(input)-1
mid = (low + high)/2
while low <= high:
if input[mid] =...
Chatterton asked 30/1, 2014 at 6:24
14
Solved
I am trying to implement the binary search in python and have written it as follows. However, I can't make it stop whenever needle_element is larger than the largest element in the array.
Can you ...
Exudation asked 29/2, 2012 at 14:55
4
Solved
I always have the hardest time with this and I have yet to see a definitive explanation for something that is supposedly so common and highly-used.
We already know the standard binary search. Give...
Estafette asked 12/6, 2015 at 14:32
2
Solved
From the pandas documentation, I've gathered that unique-valued indices make certain operations efficient, and that non-unique indices are occasionally tolerated.
From the outside, it doesn't look...
Staceystaci asked 18/5, 2013 at 15:44
1
Solved
This is kinda complicated for me to understand
Dim test() As Byte = New Byte() {50, 40, 30, 10, 10}
Dim answer() As UInteger = SortLexicoGraphicallyArrayMappedFile(test)
The answer is the each...
Shaughn asked 7/12, 2018 at 9:38
4
Solved
Do you know, please, if C++ STL contains a Binary Search Tree (BST) implementation, or if I should construct my own BST object?
In case STL conains no implementation of BST, are there any librarie...
Omnivorous asked 22/2, 2011 at 23:0
© 2022 - 2024 — McMap. All rights reserved.