19 lines
456 B
Python
19 lines
456 B
Python
# translate roman number strings to int
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class Solution:
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def romanToInt(self, s: str) -> int:
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roman_map = {"I": 1, "V": 5, "X": 10, "L": 50, "C": 100, "D": 500, "M": 1000}
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num = 0
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prev_value = 0
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for char in reversed(s):
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value = roman_map[char]
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if value < prev_value:
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num -= value
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else:
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num += value
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prev_value = value
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return num
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