2012年9月2日
USACO Section 2.2 Party Lamps（dfs）
摘要： Party LampsIOI 98To brighten up the gala dinner of the IOI'98 we have a set ofN(10 <= N <= 100) colored lamps numbered from 1 toN.The lamps are connected to four buttons:Button 1: When this button is pressed, all the lamps change their state: those that are ON are turned OFF and those that 阅读全文
posted @ 2012-09-02 21:02 mtry 阅读(401) 评论(0) 推荐(0)