SortedArray | elements sorted according to a given sort predicate
kandi X-RAY | SortedArray Summary
kandi X-RAY | SortedArray Summary
A sorted array type for Swift 4.0+. Provides the SortedArray type, an array that keeps its elements sorted according to a given sort predicate. Written by Ole Begemann, February 2017. For more info, see the GitHub repo and my accompanying blog article.
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SortedArray Examples and Code Snippets
Lines of Code : 34License : Permissive (MIT License)
Copyfunction jumpSearch(sortedArray, seekIndex) {
// exit if array empty
const arrayLength = sortedArray.length;
if (!arrayLength) {
return -1;
}
// set jumpSize
const jumpSize = Math.floor(Math.sqrt(arrayLength));
let function interpolationSearch(sortedArray, seekIndex) {
let leftIndex = 0;
let rightIndex = sortedArray.length - 1;
while (leftIndex <= rightIndex) {
const rangeDiff = sortedArray[rightIndex] - sortedArray[leftIndex];
const Community Discussions
Trending Discussions on SortedArray
QUESTION
I am trying to sort this array
...ANSWER
Answered 2021-Jun-15 at 07:06You could take an object with the order and for not known items take a large value to sort them to the end of the array
QUESTION
What am I doing wrong here? The prototypes aren't changeable. I need to write both of the functions and this is what I wrote. They work at 90% of the times. The iterative way got an issue when i'm trying to search for the middle element.
And the recursive way got some issue but I don't really know what's wrong. Sometimes it finds the element and other times not.
One more thing I cannot change it's that I must avoid checking inside of the function whether array[middle] == key. The teacher wants us to do this check only when I exit the loop, and he wants the loop to only check if should I go right or left.
ANSWER
Answered 2021-Jun-05 at 11:06Let's think what your code is doing. You have an array consists 5 elements and let's say you are searching for 8.
QUESTION
This is my code for merge sort in C. I'm not able to understand what the issue is here. My knowledge of pointers is not that much. The merge function takes in 2 arrays and merges them. the sort function is a recursive function which is supposed to sort the array.
...ANSWER
Answered 2021-May-31 at 07:01There are two issues here: First, you merge your partial arrays into a temporary local array, which yoes out of bounds after you return from merge. The pointer you return points to invlid memory. That's what the warning about.
Second, you don't check whether you are reading beyond the limits of the partial arrays when you merge: The condition x < n must be true when you access fir, likewise for y < m and sec.
You are also causing confusion by returning a pointer to the first element of the sorted or merged arrays. That suggests that you create new sorted and merged arrays (and that's what you try to do in merge). This is okay for garbage-collected morern languages, but C doesn't work that way.
In C, if you need new memory, you must allocate it and later free it explicitly. In a recursive function like yours, this is tedious, because you are interested only in the final sorted array, not in the intermediate results. Therefore, C sorting algorithms usually work "in place": The same memory is used thoughout the sorting and elements are swapped. The original order of the elements is lost unless you make a copy before sorting.
For merge sort, you need auxiliary memory. In your case, you use the temporary arrays AL and AR, which are copies of the contents of the original array, A. Now when you merge, you can merge AL and AR back into A.
So istead of creating a ephemeral local array, pass in A so that it can be filled with the sorted elements:
QUESTION
I am trying to make sorting visualizer using react, I also made algorithms ready for different sort mechanism like merge sort, bubble sort, insertion sort and Quick sort but not able to implement it visually.
I made visualizer for bubble sort but for that too I asked question in stack overflow and one of the guys gave the entire logic of it using react, now I am trying to make it possible for merge sort, spend 4 days to implement it but still I got stuck, it feels like I will not able survive without taking any help.
Can anyone please suggest me what to do?
my App.js file
...ANSWER
Answered 2021-Apr-22 at 16:46This is actually trickier than I originally thought it was going to be. I wanted each individual "swap" the merge sort detected to be displayed, but I'm having problems going "back up the splits" correctly with my original idea.
I'll probably revisit this, but in case I don't, here's a version that just slightly tweaks your original code. You'll notice the bigger splits just sort of "snap" into being in the correct order, which probably isn't what you want, but hopefully it helps with understanding Timeouts and Promises:
https://codesandbox.io/s/merge-sort-forked-coh7r?file=/src/App.js
Just to be clear, everything is still basically happening in "one shot", meaning the call stack is still pretty much identical, meaning all the functions are still being called right on top of each other. The difference is that the Promise/setTimeout is adding a "pause here then run this" and the async/await is adding a "wait for that before continuing". I think if you really wanted to show off "each swap" you would have to really break up the control flow and add in some conditional steps.
QUESTION
I have to loop through the object values and sort them in such a way that I remove number 1 & 2 (lets call it index) from Self and Spouse. Then reindex Child3 and Child4 to Child1 and Child2.
Though the Object got from API response looks like below it makes more sense to reindex them as I'll be displaying this information on the screen.
...Object looks like below: This is just a sample data. This object is dynamically created based on User household information
ANSWER
Answered 2021-Apr-02 at 19:19You can check this approach. I've created a dataMapper to map the specific data with their new values.
QUESTION
I have a fairly classic case of sorting on many fields at the same time. What is difficult for me is passing data with fields for sorting from a separate array.
...ANSWER
Answered 2021-Mar-26 at 18:48I'd start off with a function which sorts 2 objects by a field and descending bool
QUESTION
I'm facing this issue, I would like to order each sub-items of my treeTable but where the RightNeighbourTaskUUID is equal to the UUID of the other item,
So if the item is on the top, his LeftNeighbourTaskUUID would be null, and if the item is bottom, the LeftNeighbourTaskUUID would be null, and in between, each items must be ordered where his UUID is equal to the RightNeighbourTaskUUID of the next item in the array
So each child item can have one uniq LeftNeighbourTaskUUID and/or unique RightNeighbourTaskUUID, or those can be null if it's a uniq child .
Sorry about my MS Paint skills,(I've used ID and leftID and rightID in the picture just to help give a visual representation) just to help understanding how my tree Table is built
So I've made a search and sort function, where I will explore the children's and sort them if the children's length is higher than 1 , as no need to sort if the length is 1 or less
...ANSWER
Answered 2021-Mar-24 at 04:29I think this should do the trick:
QUESTION
I have a few chat components, chat (parent), CreateMessage(child), and DisplayMessages(child). All three components will be shown below.
The user creates a message with the CreateMessage component. It saves it in the useState hook, indivMessages, stored in the parent Chat component.
The indivMessages are sent to the DisplayMessages component. It displays the messages as well as groups messages by the same author together based off the user id.
The problem is, the indivMessages state is getting set with the value from formattedMessages, which is only set inside the useEffect hook in DisplayMessages.
Why is indivMessages getting set with the value for formattedMessages??
For the sake of this example, I commented out all of the socket stuff to just work in a sterile environment - the same results will happen both ways.
Chat.js
...ANSWER
Answered 2021-Mar-24 at 14:50In the useEffect code, you're modifying the objects in sortedArray, which are also held in indivMessages. For instance:
QUESTION
The main.c file works fine in Repl.it, OnlineGDB, and Mimir. But I had originally written the code in VSCode but the code will stop running at random points, only on command prompt. Sometimes it will only run two lines, or all the way to 40,000, and rarely have I gotten it to run all the way through. It seems as though there is some sort of limitation on command prompt or my compiler. Attached is my main.c file and a screenshot of what my command prompt output looks like. Each time I run the code it stops at a random point. Jamila suggested adding system(“PAUSE”); before return 0; in the main function but that did not do it. I had Jon try the code through his command prompt and he didn’t have an issue either. So it seems it comes down to my computer. I have reinstalled MinGW according to the instructions from Intro to C but the issue is still present. I have an i9 processor & 16gb of Ram, so it shouldn’t be a hardware limitation. This is just odd behavior and I want to understand why it is only my computer that has this problem. I have also tried running it with the leak_detector_c.c but that makes no difference as well. Code works fine in Mimir, OnlineGDB, and Repl.it.
...ANSWER
Answered 2021-Mar-20 at 20:04This answer was wrong, but I don't delete it yet so I can reply to comments.
Another guess: quicksort & partition look like you assumed low & high both inclusive. If so, the first call should be
QUESTION
I want a function that can sort multiple columns and multiple keys array, and it should be dynamic even on even at the expense of performance.
This function should have 3 parameters:
- The 2 dimensions array we want to sort.
- An array of the "columns key" numbers we want to sort.
- An boolean array that True = Ascending and False = Descending
In the end this function should return the sorted array.
For example:
...ANSWER
Answered 2021-Mar-01 at 10:01I solved it, if anyone needs it in the future, here is the code:
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