1.0Camdemy1.0http://media.usc.edu.tw一維陣列: 數位密碼(Digital Fortress)http://media.usc.edu.tw/user/http://media.usc.edu.tw/sysdata/doc/d/d0894e7caef8ef7d/thumb_l.jpg360640<iframe width='720' height='405' id='ccShare623' frameborder='0' src='http://media.usc.edu.tw/media/e/623' allowfullscreen></iframe>video72040537:25Digital Fortress數位密碼01Observation 1: transposition cipher02Observation 2: rules of cipher text03Design Issue 1.1: is text length a square number?04Design Issue 1.2: is text length a square number?05Design Issue 2.1: how to transpose?06Design Issue 2.1: how to transpose?07Design Issue 2.2: how to transpose?08Design Issue 2.3: how to transpose?09Design Issue 2.4: how to transpose?010Coding Part 1011Coding Part 2012Coding Part 3013Coding Part 4014Coding Part 5015fs1280x720720x4041280x720http://media.usc.edu.tw/sysdata/doc/d/d0894e7caef8ef7d/thumb.jpghttp://media.usc.edu.tw/sysdata/doc/d/d0894e7caef8ef7d/cover.jpghttp://media.usc.edu.tw/sysdata/doc/d/d0894e7caef8ef7d/video/thumbs/storyboard.jpghttp://media.usc.edu.tw/sysdata/doc/d/d0894e7caef8ef7d1