dew

language: en/zh

I'm glad to introduce dew command application for you. dew is a assistant which can help you test your program you will submit on codeforces. and a contest generator base on codeforces, which will help you better practice. you can use generate command a contest on mashup, whose problems is random.

who need dew

1. Think test pre testcases is a troubleThink it's a hassle to repeat test cases and commits over and over.
2. You need more frequent practice, and you want to create more contest for you or your team.

Install

I introduce two solution for you

Notice

Due to the change of security policy changes, please download the version greater 1.2.11.

Download binary application and add into path

1. open releases
2. download zip
3. decompress and move into path dir(if you don't know how to do it, the tutorial is for you: tutorial)

Or use go install command

1. prerequisite: download golang(https://golang.google.cn/)
2. use command go install github.com/Kanna-Neko/dew@latest

Feature

name	describe
Cross platform	support windows, macos, linux and so on
multiple language	In theory all languages support
Quickly test and submit your program	use cli, you only need type some words, you can submit your program to codeforces
Support gym	not only contest, and gym
Template generator	you can store your template and generate it
Randomly pick problem for you	you can randomly pick one problem in codeforces, you can use it like a tool, everyday one problem
contest generator	you can generate a contest in mushups, if you need it for your team practice, the source of problems come from codeforces.

Some snapshot

Basic Usage

# relax yourself and enjoy it, it's easy.
dew init
# waiting for your exploration
# original language is c++, you can use dew lang [language] change language program use.
# you can use dew lang command and check all language we support.
# write your program, we promise use dew.cpp as original submit code file.
# you can rewrite codefile in ./codeforces/config.yaml for different language
# codefile is code program will test and submit
vim dew.cpp # code your solution
dew test 1749A
dew submit 1749A

# race mode
dew race 1749
vim dew.cpp
dew test A
dew submit A

# random problem
dew random
dew test
dew submit

# specify a problem
dew problem 1749A
dew test
dew submit

# specify a file
dew test -f main.cpp
dew submit -f main.cpp

dew command

Usage:
  dew [flags]
  dew [command]

Available Commands:
  completion  Generate the autocompletion script for the specified shell
  env         print config env
  generate    create a contest
  help        Help about any command
  init        init somethings
  lang        switch program language
  login       manually login
  open        a shortcut of opening codeforces website
  problem     open problem in codeforces
  race        set contest env
  random      alias to dew generate random
  status      a shortcut of opening codeforces status
  submit      submit problem
  template    generate template
  test        test problem
  tutorial    as the name says
  update      update problem data

Flags:
  -h, --help   help for dew

Use "dew [command] --help" for more information about a command.

dew lang

This command will show current and total choice you can choose when nothing after command

If you want to change language, you can use dew lang <language shortcut>

example:

dew lang
dew lang python3

how to config the language

1. Ensure you add your language command into path.
2. Let's see the config file, the location of it is "./codeforces/config.yaml",there is python3 configuration below.

python3: ## the shortcut, you can change to python3 when you use command "dew lang shortcut.
   name: Python 3.8.10 #the name, It's a hint
   codefile: dew.py ## the file dew will test and submit
   isCompileLang: false 
   compileCommand:
   RunCommand: python3 $codefile ##dew will run this command when test, $codefile is a variable, the dew will automatically replace it.
   programTypeId: 31 ## choose language when dew submit it to codeforces, you can query programTypeId dictionary at the bottom of this document.

dew template

create your template

1. mkdir in ./codeforces/template/{your template name}
2. You can write your template into ./codeforces/template/{your template name}/{template file name}
3. The program will show all template you create when you use -a flag dew template -a

generate template

The program will create all template file in your template dir when you use template command, for instance dew template hello, all file in ./codeforces/hello/ will be created in current path.

If you don't fill anything after dew template, It's alias dew template default

hint:You can fill in more than one template name after the command like dew template hello1 hello2, all file in ./codeforces/hello1/ will be created first, distinct filename in ./codeforces/hello2/ will be created next.

The shortcut is dew tmp

example:

dew template -a
dew template
# or 
dew tmp -a
dew tmp


# please create template hello first.
dew template hello

# please create template basic and gcd first.
# if there are some filename is coincident same, files that appear after will not be created.
dew template basic gcd

gym support

Use dew init apikey command first, you can obtain apikey in the https://codeforces.com/settings/api

dew random

random command will specify a problem for your current rating [+200, +300], and you can specify a detailed rating or range rating you want.

example:

dew random
dew random 1800
dew random 1000 1200

dew generate

1. this command can generate a contest on mushups, I built three option in it for you, you can use dew generate div1 dew generate div2 dew generate div3 to generate.
2. If you hope custom difficult and filter some tag, you can use dew generate custom command, you can config it in "./codeforces/contestTemplate.json", dew will filter all problem satisfy thoes difficult, tag you choose in good field and without bad field

proxy set

# after dew init
dew env -w proxy=http://127.0.0.1:41019
# replace http://127.0.0.1:41019 with your proxy server

Development Plan

link

Technology Stack

1. cobra
2. resty

programTypeId

<43>GNU GCC C11 5.1.0
<80>Clang++20 Diagnostics
<52>Clang++17 Diagnostics
<50>GNU G++14 6.4.0
<54>GNU G++17 7.3.0
<73>GNU G++20 11.2.0 (64 bit, winlibs)
<59>Microsoft Visual C++ 2017
<61>GNU G++17 9.2.0 (64 bit, msys 2)
<65>C# 8, .NET Core 3.1
<79>C# 10, .NET SDK 6.0
<9>C# Mono 6.8
<28>D DMD32 v2.091.0
<32>Go 1.19
<12>Haskell GHC 8.10.1
<60>Java 11.0.6
<74>Java 17 64bit
<36>Java 1.8.0_241
<77>Kotlin 1.6.10
<83>Kotlin 1.7.20
<19>OCaml 4.02.1
<3>Delphi 7
<4>Free Pascal 3.0.2
<51>PascalABC.NET 3.4.2
<13>Perl 5.20.1
<6>PHP 8.1.7
<7>Python 2.7.18
<31>Python 3.8.10
<40>PyPy 2.7.13 (7.3.0)
<41>PyPy 3.6.9 (7.3.0)
<70>PyPy 3.9.10 (7.3.9, 64bit)
<67>Ruby 3.0.0
<75>Rust 1.65.0 (2021)
<20>Scala 2.12.8
<34>JavaScript V8 4.8.0
<55>Node.js 12.16.3
<14>ActiveTcl 8.5
<15>Io-2008-01-07 (Win32)
<17>Pike 7.8
<18>Befunge
<22>OpenCobol 1.0
<25>Factor
<26>Secret_171
<27>Roco
<33>Ada GNAT 4
<38>Mysterious Language
<39>FALSE
<44>Picat 0.9
<45>GNU C++11 5 ZIP
<46>Java 8 ZIP
<47>J
<56>Microsoft Q#
<57>Text
<62>UnknownX
<68>Secret 2021