Leetcode-contest-cli NPM

CLI for LeetCode Contests

Warning

Experimental. Use at your own risk.

在正式比赛中使用的风险未知。

Supported Languages

JavaScript/TypeScript/Python3/C++/Go/Rust/Kotlin/Java

Requirements

Node.js v14+
Google Chrome
(Optional) Visual Studio Code

Requirements for Specific Language

JavaScript/TypeScript

$ npm i -g esbuild

Note for Windows

Allow running scripts

set-ExecutionPolicy RemoteSigned

Install

$ npm i -g leetcode-contest-cli

Upgrade

$ npm update -g leetcode-contest-cli

First run

$ mkdir mySolutions
$ cd mySolutions
$ lcc init

Google Chrome Executable Path

$ lcc
? Google Chrome executable path: ›

Where to find Chrome

Type chrome://version/ in the address bar.

Typical values:

Mac OSX: /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
Windows: C:\Program Files\Google\Chrome\Application\chrome.exe
Linux: /usr/bin/google-chrome-stable

Choosing Site

$ lcc
✔ Google Chrome executable path: … /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
✔ Choose a site › 力扣 (leetcode.cn)

Login

Before doing this, make sure you have already registered for the contest or have started a virtual contest.

Starting a Contest

Preferred Language

$ lcc
? Choose a language › - Use arrow-keys. Return to submit.
❯   JavaScript
    TypeScript
    Python
    C++
    Go
    Rust
    Kotlin
    Java

Contest URL

$ lcc
✔ Choose a language › TypeScript
✔ Contest URL: … https://leetcode.cn/contest/weekly-contest-298/

Solving Problems

Choosing a Problem

$ lcc list
? Choose a problem › - Use arrow-keys. Return to submit.
❯   兼具大小写的最好英文字母
    个位数字为 K 的整数之和
    小于等于 K 的最长二进制子序列
    卖木头块

Project Structure

exa --tree
.
├── contests
│  └── weekly-contest-298
│     └── greatest-english-letter-in-upper-and-lower-case
│        ├── id
│        ├── input
│        ├── output
│        ├── screenshot.png
│        └── src
│           └── ts
│              ├── lib -> ../../../../../lib/ts
│              └── solution.ts
└── lib
   └── ts

input: Test input. Add new cases here.
output: Expected output. Add new cases here.
screenshot.png: Screenshot of original webpage.
solution.*: Edit your solution here.
lib: Put your code snippets here to be imported by your solution.

Test Solution

$ lcc test

  ...eatest-english-letter-in-upper-and-lower-case/build/ts/solution.js  1.1kb

⚡ Done in 9ms

STARTED
expected:
"E"
"R"
""
got:
undefined
undefined
undefined

Edit your solution and test again:

$ lcc test

  ...eatest-english-letter-in-upper-and-lower-case/build/ts/solution.js  1.4kb

⚡ Done in 2ms

PENDING
SUCCESS

Submit Solution

$ lcc submit
STARTED
Accepted
runtime: 64 ms
memory: 43.1 MB

Other Options

Start Another Contest

$ lcc https://leetcode.cn/contest/biweekly-contest-81/
? Choose a problem › - Use arrow-keys. Return to submit.
❯   统计星号
    统计无向图中无法互相到达点对数
    操作后的最大异或和
    不同骰子序列的数目

Use a Different Language

$ lcc lang
? Choose a language › - Use arrow-keys. Return to submit.
❯   JavaScript
    TypeScript
    Python
    C++
    Go
    Rust
    Kotlin
    Java