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[pre-commit.ci] auto fixes from pre-commit.com hooks

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pre-commit-ci[bot] 2025-02-10 08:33:43 +00:00
parent bcfd98cbe4
commit 1735aed474
1 changed files with 45 additions and 11 deletions
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56
conversions/roman_numerals.py
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@ -1,11 +1,32 @@
ROMAN = [ ROMAN = [
(1000000, "M_"), (900000, "C_M_"), (500000, "D_"), (400000, "C_D_"), (1000000, "M_"),
(100000, "C_"), (90000, "X_C_"), (50000, "L_"), (40000, "X_L_"), (900000, "C_M_"),
(10000, "X_"), (9000, "I_X_"), (5000, "V_"), (4000, "I_V_"), (500000, "D_"),
(1000, "M"), (900, "CM"), (500, "D"), (400, "CD"), (400000, "C_D_"),
(100, "C"), (90, "XC"), (50, "L"), (40, "XL"), (100000, "C_"),
(10, "X"), (9, "IX"), (5, "V"), (4, "IV"), (1, "I") (90000, "X_C_"),
(50000, "L_"),
(40000, "X_L_"),
(10000, "X_"),
(9000, "I_X_"),
(5000, "V_"),
(4000, "I_V_"),
(1000, "M"),
(900, "CM"),
(500, "D"),
(400, "CD"),
(100, "C"),
(90, "XC"),
(50, "L"),
(40, "XL"),
(10, "X"),
(9, "IX"),
(5, "V"),
(4, "IV"),
(1, "I"),
] ]
def roman_to_int(roman: str) -> int: def roman_to_int(roman: str) -> int:
""" """
Convert a Roman numeral to an integer, supporting Vinculum notation Convert a Roman numeral to an integer, supporting Vinculum notation
@ -22,15 +43,26 @@ def roman_to_int(roman: str) -> int:
True True
""" """
vals = { vals = {
"I": 1, "V": 5, "X": 10, "L": 50, "C": 100, "D": 500, "M": 1000, "I": 1,
"I_": 1000, "V_": 5000, "X_": 10000, "L_": 50000, "C_": 100000, "V": 5,
"D_": 500000, "M_": 1000000 "X": 10,
"L": 50,
"C": 100,
"D": 500,
"M": 1000,
"I_": 1000,
"V_": 5000,
"X_": 10000,
"L_": 50000,
"C_": 100000,
"D_": 500000,
"M_": 1000000,
} }
i, total = 0, 0 i, total = 0, 0
while i < len(roman): while i < len(roman):
if i + 1 < len(roman) and roman[i:i+2] in vals: if i + 1 < len(roman) and roman[i : i + 2] in vals:
total += vals[roman[i:i+2]] total += vals[roman[i : i + 2]]
i += 2 i += 2
else: else:
total += vals[roman[i]] total += vals[roman[i]]
@ -62,6 +94,8 @@ def int_to_roman(number: int) -> str:
break break
return "".join(result) return "".join(result)
if __name__ == "__main__": if __name__ == "__main__":
import doctest import doctest
doctest.testmod() doctest.testmod()