All Questions
Tagged with binary-search javascript
22 questions
1
vote
1
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170
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Finding the closest values in a sorted list that don't go under/over
For my project I have a sorted array of objects of timestamps (in milliseconds) and I need two functions. One function should find the closest time that doesn't go over a specific amount, and the ...
4
votes
1
answer
146
views
JavaScript Binary Search -- first try
EDIT: code snippet added, check the output in JS console
I wrote the following binary search algorithm in JS, for the first time in my experience. The variable ...
2
votes
1
answer
167
views
Leetcode Search in Rotated Sorted Array
I was doing Search in sorted array question from leetcode
Question
Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand.
(i.e., [0,1,2,4,5,6,7] might become [4,...
2
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0
answers
272
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Find Single Element in a Sorted Array, from LeetCode
The problem quoted:
https://leetcode.com/problems/single-element-in-a-sorted-array/
Given a sorted array consisting of only integers where every element appears exactly twice except for one element ...
-2
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1
answer
197
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Challenge - Construct binary tree from array [closed]
A coding challenge to construct a binary tree from an array.
...
2
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0
answers
55
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Find target in sorted array pivoted at some unknown point in O(log n)
You are given an array sorted in ascending order which is rotated at
some pivot unknown to you beforehand. Find your target in \$O(log n)\$
which means it should be a binary search. If the value ...
2
votes
2
answers
3k
views
Add new number to sorted array of numbers
The task is to add a new number in the array of numbers sorted in ascending order.
So let's say the array is:
20,40,50,60
And the number to be inserted is 24,
...
3
votes
2
answers
913
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Binary search on real space
I want to perform a binary search on a continuous unimodal function ƒ(x)=y, where x and y are real numbers. I'm not looking up values in an array, and so I don't have clean integer inputs that I'm ...
0
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1
answer
79
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My binary search algorithm implementation in JavaScript
I have implemented binary search algorithm in JavaScript:
...
4
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3
answers
171
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My Binary Search Implementation
I have implemented binary search in JavaScript.
I run it on node.
I pass an comma separated string of numbers in ascending order as first argument and the number to be searched in the second ...
3
votes
1
answer
3k
views
HackerRank: Climbing the Leaderboard
Below is my solution to Climbing the Leaderboard on HackerRank:
Alice is playing an arcade game and wants to climb to the top of the
leaderboard. Can you help her track her ranking as she beats ...
5
votes
2
answers
2k
views
Calculate the sum at a level of a binary tree represented in a String
Fair preface: This is an interview question I would like to improve my knowledge of. I got some rest, and re-solved the problem with a fresh/unpanicked mind.
Given input of the type ...
3
votes
1
answer
783
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Implement the merge sort + binary search algorithms to filter and merge sort two arrays
I wanted to take my own shot at a merge sort array implementation. I took on the prompt from Rahul's post.
The goal (altered a little for my purposes):
Implement a solution capable of merging & ...
3
votes
3
answers
238
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Binary Search Algorithm in JavaScript
I've written this implementation of a binary search algorithm, and wanted to know if it was efficient and where I can improve.
...
1
vote
1
answer
4k
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Binary search on string in alphabetical order
The code for a binary search on an ordered string by alphabetical orders seems to work. I am wondering if there is a better way to write this.
...