go-algo

challenge Atcoder Beginer Contests

pre-requisists

• install oj, acc, goenv, atcoder's go version, etc.

pip3 install online-judge-tools
npm install -g atcoder-cli

brew update
brew install goenv

# actual atcoder's go version is 1.20.6, but using 1.20.14 to use statick check
# https://img.atcoder.jp/file/language-update/language-list.html
goenv install 1.20.14

# install compatible version of gopls(language server) and dlv(debug tool).
go install golang.org/x/tools/gopls@v0.15.3
go install github.com/go-delve/delve/cmd/dlv@v1.20.2

• setup atcoder-cli

# to download all tasks for acc new
acc config default-task-choice all

# language setting
cd `acc config-dir`
mkdir go && cd go
vi template.json # then copy and paste ./template.json
vi main.go # then copy and paste ./template.go

• add go/goenv setting and alias to ~/.bashrc or ~/.zshrc

# go, goenv
eval "$(goenv init -)"
export PATH=$PATH:$GOPATH/bin

# AtCoder
alias acct='oj t -c "go run main.go"'
alias accs='acct && acc s -s -- -y'
alias accss='acc s -s -- -y'

commands

• how to challenge a contest

cd ABC

acc new {contest_id} # init dir for the contest

cd a # move problem dir

acct # test by samples

accs # test by samples && submit

accss # just submit

• update Go template file (sync file registered atocoder-cli with ./template.go)

make update-tpl