部落卫队问题

描述

原始部落byteland中的居民们为了争夺有限的资源，经常发生冲突。几乎每个居民都有他的仇敌。部落酋长为了组织一支保卫部落的队伍，希望从部落的居民中选出最多的居民入伍，并保证队伍中任何2 个人都不是仇敌。-Problem Descr iption primitive tribal Guard byteland residents in order to compete for limited resources, often conflict. Almost every resident has his enemies. Tribal chiefs in order to organize a team to defend the tribe, hoping to be elected up to the residents of tribal residents of the army, and to ensure that the team is not the enemy of any two individuals.