Occult

There is a game very popular in ZJU at present, Bob didn't meant to participate in it. But he decided to join it after discovering a lot of pretty girls playing it.There are n stones on the ground a

Problem DescriptionClarke is a patient with multiple personality disorder. One day, Clarke split into two personality a and b, they are playing a game. There is a n∗m matrix, each grid of th

DescriptionJack’s girlfriend loves marshmallow very much, so he buys her two bags of marshmallow on the Children’s Day. One of them is made up of red one’s, whose number is about n, and the other

DescriptionThere are n stone quarries in Petrograd.Each quarry owns mi dumpers (1 ≤ i ≤ n). It is known that the first dumper of the i-th quarry has xi stones in it, the second dumper hasxi + 

Problem DescriptionBo is a "Life Winner".He likes playing chessboard games with his girlfriend G.The size of the chessboard is N×M.The top left corner is numbered(1,1) and the lower right

DescriptionNew Year is Coming! ailyanlu is very happy today! and he is playing a chessboard game with 8600. The size of the chessboard is n*n. A stone is placed in a corner square. They play a

DescriptionAlice and Bob decide to play a funny game. At the beginning of the game they pick n(1 6) coins in a circle, as Figure 1 shows. A move consists in removing one or two adjacent coins, l

问题描述dingyeye喜欢和你玩石子游戏。dingyeye有一棵nn个节点的有根树，节点编号为00到n-1n−1，根为00号节点。游戏开始时，第ii个节点上有a[i]a[i]个石子。两位玩家轮流操作，每次操作玩家可以选择一个节点，并将该节点上的一些石子（个数不能为00）移动到它的父亲节点上去。如果轮到某位玩家时，该玩家没有任何合法的操作可以执行，则判负。你在游戏中执先手，你想知道当前