| [ QuizWit ] in KIDS 글 쓴 이(By): iLUSiON (화려한집념) 날 짜 (Date): 2003년 7월 20일 일요일 오전 07시 58분 30초 제 목(Title): MATRIX QUIZ i remember there was a guy logged into from MIT who tend to solve many nontrivial matrix problems i posed a couple of years ago in QUIZ board. well if you are reading this, hello. ^^ suppose you have m by n matrix A=(a_{ij}). come up with a simplest way to rotate it by 90 degree counterclockwise. hehe.. iLUSiON whitepolarcow@hotmail.com |