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C++ 벡터 push_back은 느립니다

옴닉

2020년 05월 24일

vector를 만들고 따로 크기를 안 주면

그냥 배열에 채워넣는 것보다 2.5배정도 느리다

반면 초기화때 크기를 주거나 .reserve() 로 크기를 지정해주면

배열보다 1.5배정도 느리다 (쓸만해진다)

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인기글

간지나는 텍스트 만들기 / 영어 폰트, 특수문자, 기호

관리자 권한 명령어 한줄로 끄기 / UAC Disable with Command Line (CMD)

웹 페이지 연결시 "리디렉션 횟수가 너무 많습니다" 오류 이유

윈도우 명령어(cmd)로 작업 스케쥴러 추가, 수정, 제거하기 SchTasks

윈도우 명령어(cmd)로 전원 관리 설정 변경, 절전 시간 설정 powercfg