Nowara_Shinnosuke的博客

DescriptionThere is a tree-like prison. Expect the root node, each node has a prisoner, and the root node is the only exit. Each node can accommodate a large number of prisoners, but each edge per m

DescriptionAlice and Bob now love to play a card game. Everyone is starting n cards, each card has no more than m attribute. Now they need finish Q tasks, each task will require everyone to give a c

DescriptionThere is a chocolate, is composed of black and white small pieces. Xiao Ming is very fond of this chocolate, and the absolute difference between the number of black pieces and the number