Merge k sorted linked lists and return it as one sorted list. The definition of the ListNode class and the signature of the MergeKLists method can't be modified.
Below is my submission to LeetCode which has been accepted and run time is not that bad (better than 55% of the submissions). But ...
I'm trying to make a lex (flex) grammar that kicks out tokens while always being aware of the current line number.
As an exercise, I made a simple grammar that accepts raw strings '...' with no escape sequences and prints out the line range after a string is completed.
Here's the grammar
%{
#...
.NET tantalizingly exposes StorageInfo and StreamInfo as public classes, but hides the seminal StorageRoot as an internal class, leaving the user no way of creating or opening a Structured Storage from a file or stream.
Microsoft's Reference Source details the source behind StorageRoot which inh...
I'm looking for some constructive (harsh) criticism of a homework I've done (the code works fine). Also Is there a better/another way to solve the exercise?
Exercise:
Read an arithmetic expression grouped by parentheses and verify if syntactically it is well formed (Using stacks).
To consider...
I'm newbie in Swift and Rx programming. Is my below code is declarative ? If not, please rewrite it and explain to help me more understanding about declarative :( (my English is so bad)
// MARK: RxSwift
func processPhotoApiService(target: PhotoService) -> Observable<[String: Any]> {
return R...
I want to write the output of an efeatch function for each tuple( year, term) in an xml format.
This is what I have done:
years = range(2017, 2016, -1) : list of years
termList=["image","video"] : list of keywords
for year in years:
for query in termList:
xml_data=fetchByQuery(qu...
I tried to write a C# program to compute MD5-hashes.
//Title of this code
//Rextester.Program.Main is the entry point for your code. Don't change it.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Text;
using System.Securit...
I noticed that my code frequently contains following structure
wikidata_link_issues = get_wikidata_link_problems(wikidata_id)
if wikidata_link_issues != None:
return wikidata_link_issues
wikipedia_link_issues = get_wikipedia_link_problems(wikipedia_link)
if wikipedia_link_issues != None:
...
I'm removing stop words from a string. As you see it works, but can be improved. the result from this console.log is I hellewe test dsdsdsdsds, work?
I would like to remove the extra spaces and only generate with one space between the words. How do I do that?
const stopwordsLongList = [
"...
To challenge myself I set out to create a tic-tac-toe game, complete with a Minimax-driven AI. I had already attempted this challenge once when I was following the FreeCodeCamp curriculum.
For this review I would kindly ask everyone who is nice enough to give it a moment of their time to please...
Following the procedure states here : https://codereview.stackexchange.com/help/reopen-questions
I'm creating this post to bring your attention on my post that is still on hold since two days without any further information despite my severals edit.
Div with text height animation from bottom
...
i wrote the following code in python
a= 24*pow(10,-4)
print(a*pow(10,4))
the result came out to be 24.000000000000004. But it should have been 24.
What is the problem ?
I'm trying to learn pure javascript right now. I just want to know what is the equivalent javascript code for this jquery below:
$(function() {
$('#next').on('click', function() {
if (animation) {
$('#imageList').stop().animate({
...
I have tried to implement a copy on write string class with value semantics and reference counting.
I wanted to support indexing so I have overloaded the operator[] and to differentiate between the l-value and r-value usage and it is returning a proxy object.
class proxy;
//Reference counting ...
Exercise Description
Create a stop watch which has the following features:
"Start-/Stop" button
"Start-/Stop" button can be triggered by pressing the "s"-key.
"Record current time" button.
Display the recorded times since start.
"Record current time" button can be triggered by pressing the "t...
I am messing around with the idea of event handling. What I tried here is to make an event handler that offers:
type safety
no need for a paired call to unregister() because it can easily be forgotten and introduce bugs (I already achived this by using weak_ptr)
simple usage
flexible (or at lea...
I'm new in database study. Please look and tell your criticism, recommendations, advice on the architecture of this database, devoted to a simple Internet Service Provider System.
A small description:
"Counter" - visitors counter statistics for a website.
"Services_tariffs" is a necessary ta...
Below you can find a generic implementation and some unit tests of a minimum priority queue in Kotlin.
What could be improved in this implementation, so that it complies to best coding practices in Kotlin?
import java.util.*
class MinHeapPQ<Key> : Iterable<Key> {
private var pq: Array<Key?>
This was asked to me in one of interview, so can someone please have a look is my code efficient or we can further improve it, here I am assuming l is less than r
Assumption: L < R
Code
int main()
{
long long int l, r, k;
cin>>l>>r>>k;
int lValue=l*k;
int numberofElemtsin_l_Ran...
I am using following method to solve N-queens problem for all possible solutions for a board. It seems to be smaller as well as faster than many commonly mentioned method but are there any bugs here?
The method is as follows:
Put a queen on first column (from below to up) of first index (f...
Please review this protocol printer/decoder in C++.
I also attached a sample binary file to use to test.
Main program:
/*
program to parse a binary protocol layer with following form:
header: x bytes - example uses DEVx: of 5 bytes
timestamp: uses excel format timestamp of 8 bytes (double)
pay...
Is there is a way i can merge the below code into 1 single code line
Iterable<String> iterable = () -> config.getKeys();
final Set<String> existingKeys = StreamSupport.stream(iterable.spliterator(), false).collect(Collectors.toSet());
I have wrote a small project for Android. It's app which let's you to take a photo (or find one with Flickr) and save it in the cloud (Cloudinary).
I not sure, that I properly use MVP (layers separation), maybe EventBus could be used better?
Unfortunately I can't paste entire code here, so here...
I use Microsoft.Extensions.Logging with .NET Framework 4.6.1 (compatible with .NET Standard 2.0)
I use NLog provider and Unity for the dependency injection
My first problem is that I have to install the Microsoft.Extensions.Logging package in all projects that need to write logs
Also I would l...
I had to do a coding test as part of the interview process for a job. The company didn't give me any feedback, though, and just told me they wouldn't be proceeding with my application.
Can I legally post the test's requirements and my solution here to seek advice?
Given two numbers a and b, we have to find the nth number which is
divisible by a or b.
The format looks like below:
Input: First line consists of an integer T, denoting the number of test cases. Second line contains three integers a, b and N
Output: For each test case, print ...
Any way to speed up this code
For j = 1 To clItems.Count - 1
For i = 1 To nNumberOfRowsPerItem
xlSheet.Rows(nLastItemRow).Insert()
xlSheet.Rows(nFirstItemRow + i).Copy()
xlSheet.Rows(nFirstItemRow + (j * nNumberOfRowsPerItem) + i).PasteSpecial()
...
Hello i have tried almost everything i found on the internet about "Cross Page Postback".i succesfully transfer to WebForm2 but the previous page is always null so i can not receive any data from the WebForm1. Here is what i added to my WebForm1.aspx:
<div>
<asp:TextBox runat="serv...
