Python数据结构与算法的改写
麻烦帮忙改正错误,使程序能够正常运行这里的错误给你指出。
你的代码你的思路很难理解
代码文字形式上传。
挣你点币还得巧半天代码。难挣不? class Queue:
def __init__(self):
self.items = []
def isEmpty(self):
return self.items==[]
def enqueue(self,item):
self.items.insert(0,item)
def dequeue(self):
return self.items.pop()
def size(self):
return len(self.items)
import random
class Washer:
def __init__(self):
self.currentTask=None
self.timeRemaining=0
def tick(self):
if self.currentTask != None:
self.timeRemaining = self.timeRemaining-1
if self.timeRemaining <= 0:
self.currentTask = None
def busy(self):
if self.currentTask != None:
return True
else:
return False
def startNext(self,newtask):
self.currentTask = newtask
self.timeRemaining = random.randrange(10,31)
import random
class Task:
def __init__(self,time):
self.timestamp = time
def getStamp(self):
return self.timestamp
def waitTime(self,currenttime):
return currenttime-self.timestamp
import random
def simulation(numMinutes):
labwasher = random.randrange(10,31)
printQueue = Queue()
waitingtimes = []
for currentMinute in range(numMinutes):
if newPrintTask():
task = Task(currentMinute)
printQueue.enqueue(task)
if (not labwasher.busy()) and \
(not printQueue.isEmpty()):
nexttask = printQueue.dequeue()
waitingtimes.append( \
nexttask.waitTime(currentMinute))
labwasher.startNext(nexttask)
labwasher.tick()
averageWait=sum(waitingtimes)/len(waitingtimes)
print("Average Wait %6.2f secs %3d tasks remaining."\
%(averageWait,printQueue.size()))
def newPrintTask():
num = random.randrange(1,16)
if num == 15:
return True
else:
return False ba21 发表于 2022-3-22 17:41
代码文字形式上传。
挣你点币还得巧半天代码。难挣不?
class Queue:
def __init__(self):
self.items = []
def isEmpty(self):
return self.items==[]
def enqueue(self,item):
self.items.insert(0,item)
def dequeue(self):
return self.items.pop()
def size(self):
return len(self.items)
import random
class Washer:
def __init__(self):
self.currentTask=None
self.timeRemaining=0
def tick(self):
if self.currentTask != None:
self.timeRemaining = self.timeRemaining-1
if self.timeRemaining <= 0:
self.currentTask = None
def busy(self):
if self.currentTask != None:
return True
else:
return False
def startNext(self,newtask):
self.currentTask = newtask
self.timeRemaining = random.randrange(10,31)
import random
class Task:
def __init__(self,time):
self.timestamp = time
def getStamp(self):
return self.timestamp
def waitTime(self,currenttime):
return currenttime-self.timestamp
import random
def simulation(numMinutes):
labwasher = random.randrange(10,31)
printQueue = Queue()
waitingtimes = []
for currentMinute in range(numMinutes):
if newPrintTask():
task = Task(currentMinute)
printQueue.enqueue(task)
if (not labwasher.busy()) and \
(not printQueue.isEmpty()):
nexttask = printQueue.dequeue()
waitingtimes.append( \
nexttask.waitTime(currentMinute))
labwasher.startNext(nexttask)
labwasher.tick()
averageWait=sum(waitingtimes)/len(waitingtimes)
print("Average Wait %6.2f secs %3d tasks remaining."\
%(averageWait,printQueue.size()))
def newPrintTask():
num = random.randrange(1,16)
if num == 15:
return True
else:
return False 这Python,也太难了,不过如果是C的话简单一点哇
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