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  1. def int_to_roman(num):
  2.     values = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1]
  3.     numerals = ["M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"]
  4.     roman_num = ''
  5.     i = 0
  6.     while num > 0:
  7.         for _ in range(num // values[i]):
  8.             roman_num += numerals[i]
  9.             num -= values[i]
  10.         i += 1
  11.     return roman_num
  12.  
  13. # 测试
  14. print(int_to_roman(3749))
  15.  
Success #stdin #stdout 0.03s 9664KB
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MMMDCCXLIX
https://ideone.com/6P6CGQ
language:
Python 3 (python  3.9.5)
created:
7 days ago
visibility:
public

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