def verifierParentheses(fileReste):
if est_vide(fileReste):
return True
(teteFile, fileReste) = pop(fileReste)
stock = Pile(teteFile, Pile.pile_vide)
while not est_vide(fileReste):
(teteFile, fileReste) = pop(fileReste)
if teteFile == ']':
if Pile.est_vide(stock):
return False
else:
(sommetPile, stock) = stock.pop()
if sommetPile != '[':
return False
elif teteFile == ')':
if Pile.est_vide(stock):
return False
else:
(sommetPile, stock) = stock.pop()
if sommetPile != '(':
return False
else:
stock = stock.push(teteFile)
return True
def min(pile):
if est_vide(pile):
return None
tmp = pop(pile)
if est_vide(tmp[1]):
return tmp[0]
resteMin = min(tmp[1])
if tmp[0] < resteMin:
return tmp[0]
else:
return resteMin
def max(pile):
if est_vide(pile):
return None
tmp = pop(pile)
if est_vide(tmp[1]):
return tmp[0]
resteMax = max(tmp[1])
if tmp[0] > resteMax:
return tmp[0]
else:
return resteMax
def copie(pileReste):
if est_vide(pileReste):
return pileReste
tmp = pop(pileReste)
return pile(tmp[0], copie(tmp[1]))
def verifierParentheses(fileReste):
stock = pile_vide()
while not est_vide(fileReste):
(teteFile, fileReste) = pop(fileReste)
if teteFile == ']':
if est_vide(stock):
return False
else:
(sommetPile, stock) = pop(stock)
if sommetPile != '[':
return False
elif teteFile == ')':
if est_vide(stock):
return False
else:
(sommetPile, stock) = pop(stock)
if sommetPile != '(':
return False
else:
stock = push(teteFile, stock)
return True
def fileStr(file):
if est_vide(file):
return 'x'
else:
tmp = pop(file)
return '[' + str(tmp[0]) + ']-' + fileStr(tmp[1])
def taille(pile):
if est_vide(pile):
return 0
return 1 + taille(pop(pile)[1])
def pileStr(pile):
if est_vide(pile):
return 'x'
else:
tmp = pop(pile)
return '[' + str(tmp[0]) + ']-' + pileStr(tmp[1])