BOJ | Baekjun Algorithm Problem
kandi X-RAY | BOJ Summary
kandi X-RAY | BOJ Summary
Baekjun Algorithm Problem Solving
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Top functions reviewed by kandi - BETA
- BFS algorithm .
- Return the answer of the given moves .
- Find the largest value in arr .
- Calculate the han number .
- Checks if a string is a group of characters .
- Hanoi operation .
- Checks if a number is a palindrome number .
- Remove the item from the list .
- Convert n to integer .
- Calculate the time of a phone number .
BOJ Key Features
BOJ Examples and Code Snippets
Community Discussions
Trending Discussions on BOJ
QUESTION
How can I rewrite the Axios promise module with only async/await syntax? Please I'm new to Axios & promise, async syntax => what should i put inside the .push() ?
...ANSWER
Answered 2022-Feb-02 at 12:32queue
isn't the best choice here for clean code because while it allows pushing functions that return a promise, it itself doesn't return a promise, so you'd always be forced to use new Promise
at some point and resolve
it in its success callback or at the end of your own code. I guess that's the main reason why you are stuck with improving this code.
I recommend using p-limit
instead. It works like this:
QUESTION
Why is this example ok in Typescript:
...ANSWER
Answered 2021-Oct-29 at 12:41The behavior in second example is called excess property checking
TypeScript takes the stance that there’s probably a bug in this code. Object literals get special treatment and undergo excess property checking when assigning them to other variables, or passing them as arguments. If an object literal has any properties that the “target type” doesn’t have, you’ll get an error
This applies only to object literals. Assigning variable with extra properties is still allowed:
QUESTION
I am doing exercises in javascript and i came across a problem. the user should choose the character length in the password however if i select 4 characters in the input I get 3. why?
my thought was to be useful to choose the number of characters and to generate a password as many characters as there are. where I am wrong I ask for help!
...ANSWER
Answered 2021-Oct-29 at 08:22The reason for your code not working is this is the last loop where you try to fill up the missing characters:
QUESTION
I'm starting with the Go libraries calling the Speech-to-Text API as described in https://cloud.google.com/speech-to-text/docs/libraries#client-libraries-usage-go .. I've created a new Service Worker, given it Owner role, and set the environment variable GOOGLE_APPLICATION_CREDENTIALS to point to the credentials file. However when it calls the Recognize()
function an Error is returned:
ANSWER
Answered 2021-Jul-12 at 01:41we ran into this just now and saw your post. It seems the new version cloud.google.com/go/storage v1.16.0 // indirect
is the problem. we forced 1.15.0 which was working for us and it continues to work. we were going nuts thinking it was a permission problem. Maybe it is if they changed what's required. I would force v1.15.0 and see if that fixes it for you.
QUESTION
i have file format like this.
...ANSWER
Answered 2020-Nov-05 at 09:49import pandas as pd
from tabulate import tabulate
filepath = "SO.txt"
colList = ['Name', 'Code', 'Bday', 'Address', 'Phone', 'Email', 'Info']
df_full = pd.DataFrame(columns = colList)
with open(filepath) as fp:
contents = fp.read()
#print(contents)
groups = [[line.split("#")[1].strip() for line in group.split("\n") if line != ""] for group in contents.split("\n\n")]
#print(groups)
for groupInd, group in enumerate(groups):
df_temp = pd.DataFrame(columns = colList, index = [groupInd])
#If first line of each group contains at least a number, then the above code returns True
if not(any(chr.isdigit() for chr in group[0])):
df_temp.Name = group[0]
df_temp.Code = group[1]
df_temp.Bday = group[2]
#####
#Concatenate a list of address and phone lines into one string
temp = ' '.join(group[3:-2]).split('Tp')
df_temp.Address = temp[0]
#Extract digit string means remove commas, dots, ...
df_temp.Phone = ''.join(filter(lambda i: i.isdigit(), temp[1]))
#####
df_temp.Email = group[-2]
df_temp.Info = group[-1]
df_full = pd.concat([df_full, df_temp], axis=0)
print(tabulate(df_full, headers='keys', tablefmt='psql'))
QUESTION
I was solving an algorithm problem (it's a problem about topology sort, and is in Korean http://boj.kr/1948) and while testing example input, I get segmentation fault in the middle of input
...ANSWER
Answered 2020-Oct-05 at 06:11I think you should be used m
instead of n
.
QUESTION
I am trying to create an APK, but I am receiving this error
Cannont create the archive file because the archive directory cannot be created. Could not find a part of the path ..\artifacts\bin\MonoDoublePulseBle-android\AnyCPU
I discovered when I click on Archive it creates a new folder with a lot of files (apk etc) at ..\artifacts\bin\MonoDoublePulseBle-android\Release\AnyCPU
If I copy this file in the first emplacement. it removes them when I click on Archive. and gives me this error
Xamarin Android Archive error.
Invalid Android Archive (no .APK files)
But if I click on archive and copy the file from the second folder in the first enough fast... It creates correctly the .APK. And this APK work... But it seem a weird way to made it.
I have try to clean, rebuild, remove boj and bin file, restart. Nothing changed.
I'm new on Xamarin.Form. If you need more relevant info ask it (I don't know which one is important)
My Android .csproject
...ANSWER
Answered 2020-May-28 at 15:03I find a solution very simple. In :
project android propriety > Build > OutputPath:
i change
QUESTION
When running npm init react-app
npm is choosing yarn as the default package manager for the created app. I have deleted yarn from my computer using boj answer in How Do I Uninstall Yarn.
Minimum reproducible example:
...ANSWER
Answered 2020-May-07 at 14:28It's just a preference of react-app creators. BTW, you can use --use-npm
in case that you would prefer to use npm
.
QUESTION
I am trying to find the element of a button (either the "Download" or "Save selected series codes" buttons) of a webpage but I am unable to do so with whichever method I try. The webpage does not have an iFrame, the explicit wait method does not work, and in fact, even worse, when I iterate through all classes of the webpage, the element doesn't show up, while some elements that do not appear in the 'inspect elements' of chrome, do.
...ANSWER
Answered 2020-Mar-25 at 13:25Please find below working solution. You need to switch to tab and then click on that element to download your report.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install BOJ
You can use BOJ like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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