这是一个直截了当的问题,可以解释,然而,我花了一定时间来构筑解决办法。 赞美!
Let G=(V,E) be a bipartite graph. I need to compute the minimum subset V such that for every edge e=(u,v), u belong to V OR v belong to V . If there is more than one solution, anyone is acceptable.
2000年
iii
Any hint could be useful :D