hdu 1856 关于并查集的(很简单的并查集)Mr Wang wants some boys to help him with a project.Because the project is rather complex,the more boys come,the better it will be.Of course there are certain requirements.Mr Wang selected a room b
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 20:37:56
xV]OG+7`) ~=T