Daioo 随笔

DescriptionThere are several airports in one country, and there are flights between some of them. One can fly from any airport to any other, probably with some changes. For any pair of airports there e

与蓝神一起戳气球 As you know,13-14!=-1。(^@^) 但是蓝神偏不信。所以，现在问题来了。你要与蓝神通过我们最喜欢的游戏——戳气球一决胜负。 现有n个气球，你和蓝神轮流戳爆气球。 硬币翻转 Brother Hardware和Sister Software经常在一起玩硬币翻转的游戏，游戏是在一个N*M（N行，M列）的棋盘上进行，左上角是(1,1),右下角为（N，M）。初始状态棋盘上每个位置都有个硬币