[USACO07DEC]MudPuddlesS题目描述FarmerJohnisleavinghishousepromptlyat6AMforhisdailymilkingofBessie.However,thepreviouseveningsawaheavyrain,andthefieldsarequitemuddy.FJstartsatthepoint(0,0)inthecoordinateplaneandheadstowardBessiewhoislocatedat(X,Y)(-500≤X≤500;-500≤Y≤500).HecanseeallN(1≤N≤10,000)puddlesofm

我有以下代码(几乎是列出的聊天服务器示例的精确副本here:导入twisted.scripts.twistd从twisted.protocols导入基本来自twisted.internet导入协议(protocol)，reactor来自twisted.application导入服务，互联网classMyChat(basic.LineReceiver):defconnectionMade(self):print"Gotnewclient!"self.factory.clients.append(self)defconnectionLost(self,reason):print"Losta