I wanted to learn about segment trees and implemented one for the codeforces - A. Segment Tree for the Sum. But it fails on test 27 (WA). I don't know what's wrong.
Problem:
Input
The first line contains two integers n
and m (1≤n,m≤100000), the size of the array and the number of operations. The ...
I need to have a better way of handling if else in the following code and reduce the lines of code :-
let data = {};
// eslint-disable-next-line no-unused-expressions
res.data.response.salary_info &&
res.data.response.salary_info.length > 0
? (data = {
basicProfile: {...
I've recently started learning elixir, and the following is my attempt at fetching the local IP address of the system.
It can definitely be improved further, but as this would be my first ever project in a functional language; I'd be open to any criticisms.
defmodule Systemip do
def private_ipv...
Instead of making this check:
if foo <> 0 then
wks.cell(1,1) = foo
end if
I have decided to make a function that looks like this, in order to write foo just once:
WriteIfNotZero wks.cells(1,1), foo
Any ideas how to improve the function? Currently it is without error handling, as it is handle...
I come from an OOP background, and have recently delved into C and embedded systems.
As an exercise I wanted to see if I could wrap some OOP concepts into a macro header.
It works as I intended, is fairly simple to use and get a grip on if you know OOP terminology / concepts.
Would love any feedb...
Introduction
Sometimes, especially in more complex class structures, I feel uncertain in some way whether undiscovered circular dependencies might exist.
So I thought about how I can easily have their existence checked.
The idea behind
I came up with the idea of using a central place where I aut...
This is my function to generate all possible unique combinations of positive numbers these have sum equal to N.
For example:
If the input is 4
The output should be: [ '4', '1+3', '1+1+2', '1+1+1+1', '2+2' ]
You can try it online here
f=n=>{ // n is a positive number
if(n==0) return ["0"]
...
My requirements are:
Create a .net 5 class that encapsulates a task runner (i.e. a wrapper around a Task object)
The class should be thread-save
Consumer of the class should be able to know if the task is running
Consumer should be able to start/stop and start again the runner
I would love any ...
I am translating this next permutation algorithm in C++:
template<class BidirIt>
bool next_permutation(BidirIt first, BidirIt last)
{
if (first == last) return false;
BidirIt i = last;
if (first == --i) return false;
while (true) {
BidirIt i1, i2;
i1 = i;
...
Ive been learning c for the past few weeks, I made a simple turn-based game to show off what I know. Is there anything I can do to improve the code or make the game run better?
int main(){
srand(time(NULL));
bool play = true;
while(play){
int choose = -2;
int P_h = 2...
I want to present books that has chapters and sections, and contents in each book, chapter and section.
This is my schema:
type BookId = string
type ChapterId = string
type SectionId = string
type ContentId = string
type Book = {
id: BookId,
name: string,
}
type Chapter = {
id: ChapterId,...
Example of use:
var users = await usernames.SelectTaskResults(GetUserDetails, 4);
where GetUserDetails(string username) is a method that calls HttpClient to access an API and returns a User object. The SelectTaskResults returns the awaited tasks. At most, there will be 4 concurrent threads calli...
I'm using a third party API.
I'm able to get data and display it in the frontend but I would like to to refresh the data every 5 minutes. I am not using this to put in live.
Is the best way refresh the POST Request is use javascript?:
window.location.reload();
c#
var client = new RestClient("h...
I am writing web scraping code and it works well when each line is written in a separate cell but doesn't work when put inside of a function.
NameError name 'soup' is not defined with this code:
r=requests.get(url)
soup=bs4.BeautifulSoup(r.text,"lxml")
return soup````
Works fine when...
