description Problem history Submissions question_mark Qna how_to_vote Vote #3571 upload 639 done 212 how_to_reg 187 올바른 괄호 찾기(괄호 문자열)1 timer 1s memory 128MB upload Attempts 639 times Solved 212 times Solvers 187 people Acceptance Rate 33.2% monitoring Average Runtime 28.3ms Average Memory 4130.8KB Average Code Length 604.7B No. Submitter Result Time Memory Length Language Submitted