1.0Camdemy1.0http://media.usc.edu.tw遞迴: 八后問題(8 queens)(obsolete)http://media.usc.edu.tw/user/http://media.usc.edu.tw/sysdata/doc/5/5ab6dfe8cae32947/thumb_l.jpg360640<iframe width='720' height='405' id='ccShare593' frameborder='0' src='http://media.usc.edu.tw/media/e/593' allowfullscreen></iframe>video72040526:52遞迴: 八后問題(8 queens)01Observation 1: a chess board02Observation 2: a chess board03Observation 3: how to check horizontal04Observation 4: how to check diagonals05Observation 4: how to backtrack06Observation 4: how to backtrack07Observation 4: how to check diagonals08Observation 3: how to check horizontal09Observation 2: a chess board010Observation 1: a chess board011fs1364x768720x4041280x7201364x768http://media.usc.edu.tw/sysdata/doc/5/5ab6dfe8cae32947/thumb.jpghttp://media.usc.edu.tw/sysdata/doc/5/5ab6dfe8cae32947/cover.jpghttp://media.usc.edu.tw/sysdata/doc/5/5ab6dfe8cae32947/video/thumbs/storyboard.jpghttp://media.usc.edu.tw/sysdata/doc/5/5ab6dfe8cae329471