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circular deque.py
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circular deque.py
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class MyCircularDeque:
def __init__(self, k: int):
self.deque=[]
self.k=k
def insertFront(self, value: int) -> bool:
if len(self.deque)<self.k:
self.deque.insert(0,value)
return True
else:
return False
def insertLast(self, value: int) -> bool:
if len(self.deque)<self.k:
self.deque.append(value)
return True
else:
return False
def deleteFront(self) -> bool:
if len(self.deque)>0:
self.deque.pop(0)
return True
else:
return False
def deleteLast(self) -> bool:
if len(self.deque)>0:
self.deque.pop()
return True
else:
return False
def getFront(self) -> int:
if len(self.deque)>0:
return self.deque[0]
else:
return -1
def getRear(self) -> int:
if len(self.deque)>0:
return self.deque[-1]
else:
return -1
def isEmpty(self) -> bool:
if len(self.deque)==0:
return True
else:
return False
def isFull(self) -> bool:
if len(self.deque)==self.k:
return True
else:
return False
# Your MyCircularDeque object will be instantiated and called as such:
# obj = MyCircularDeque(k)
# param_1 = obj.insertFront(value)
# param_2 = obj.insertLast(value)
# param_3 = obj.deleteFront()
# param_4 = obj.deleteLast()
# param_5 = obj.getFront()
# param_6 = obj.getRear()
# param_7 = obj.isEmpty()
# param_8 = obj.isFull()