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Deven
2024-08-05 21:32:33 -04:00
parent 5be765f30b
commit a4e8011a3c
1 changed files with 25 additions and 0 deletions
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0984-string-without-aaa-or-bbb/0984-string-without-aaa-or-bbb.py
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class Solution:
def strWithout3a3b(self, a: int, b: int) -> str:
def build(curr: str, na: int, nb: int) -> str:
if (na == 0 and nb == 0):
return curr
if (na == 0 and nb > 2):
raise "String not possible"
if (nb == 0 and na > 2):
raise "String not possible"
if (len(curr) >= 2 and curr[-1] == curr[-2]):
if (curr[-1] == 'a'):
return build(curr + 'b', na, nb - 1)
else:
return build(curr + 'a', na - 1, nb)
else:
if (na > nb):
return build(curr + 'a', na - 1, nb)
else:
return build(curr + 'b', na, nb - 1)
return build("", a, b)