"Book to train programming skills to fight in the world" Python code answer example --1.4 Permutation of sentences
def isPermutationOfPalindrome(phrase):
phrase = phrase.lower()
table = buildCharFrequencyTable(phrase)
return checkMaxOneOdd(table)
def checkMaxOneOdd(table):
foundOdd = False
for count in range(len(table)):
if table[count]%2 == 1:
if foundOdd:
return False
foundOdd = True
return True
def getCharNumber(c):
a = ord("a")
z = ord("z")
val = ord(c)
if a <= val and val <= z:
return val - a
return -1
def buildCharFrequencyTable(phrase):
table = [0] * 26
for id in range(len(phrase)):
c = phrase[id]
x = getCharNumber(c)
if x != -1 :
table[x] = table[x] + 1
return table
print(isPermutationOfPalindrome("Tact Coa"))