largest_3_digit_string.py (1017B)
| # 2264. Largest 3-Same-Digit Number in String
"""
given a string 'num' representing a large integer, an integer is good if it
meets the following conditions: if it is a substring of 'num' with length
'3', it consists of only one unique digit. return the maximum good integer as
a string or an empty string "" if no such integer.
"""
class Solution(object):
def largestGoodInteger(self, num):
"""
:type num: str
:rtype: str
"""
patterns = [
"999",
"888",
"777",
"666",
"555",
"444",
"333",
"222",
"111",
"000",
]
for i in patterns:
if i in num:
return i
return ""
if __name__ == "__main__":
obj = Solution()
print(obj.largestGoodInteger("6777133339")) # expect: 777
print(obj.largestGoodInteger("2300019")) # expect: 000
print(obj.largestGoodInteger("42352338")) # expect: NULL
|
