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staticor/Roman_to_Int.py

Created October 17, 2019 16:37
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Roman_to_Int.py
class Solution:
def romanToInt(self, s: str) -> int:
d = {'I':1, 'IV':3, 'V':5, 'IX':8, 'X':10, 'XL':30, 'L':50, 'XC':80, 'C':100, 'CD':300, 'D':500, 'CM':800, 'M':1000}
return sum(d.get(s[max(i-1, 0):i+1], d[n]) for i, n in enumerate(s))
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