@hiroyuk1posted at 2023-03-08more_horizAre you sure you want to delete the question?closeIf your question is resolved, you may close it.Leaving a resolved question undeleted may help others!We hope you find it useful!Close questionDelete questionJOI AtCoderQ&AAtCoderJOI用のatcoderアカウントでコンテストに参加していいんですか?あとアカウントは削除されますか?知ってる人いたら教えてください 0subscribe