????????這是中等題目?????????
感覺這就是個基本的簡單題,沒有任何難度,只要把各種情況羅列一下就可以了。
'''
1、4、5、9、 I、IV、V、IX
10、40、50、90、X、XL、L、XC
100、400、500、900、1000 C、CD、D、CM、M、
'''
def intToRoman(num):
if num == 4:
return 'IV'
elif num == 9:
return 'IX'
elif num == 40:
return 'XL'
elif num == 90:
return 'XC'
elif num == 400:
return 'CD'
elif num == 900:
return 'CM'
else:
s = ''
while num > 0:
if num >= 1000:
num -= 1000
s += 'M'
elif num >= 900:
num -= 900
s += 'CM'
elif num >= 500:
num -= 500
s += 'D'
elif num >= 400:
num -= 400
s += 'CD'
elif num >= 100:
num -= 100
s += 'C'
elif num >= 90:
num -= 90
s += 'XC'
elif num >= 50:
num -= 50
s += 'L'
elif num >= 40:
num -= 40
s += 'XL'
elif num >= 10:
num -= 10
s += 'X'
elif num >= 9:
num -= 9
s += 'IX'
elif num >= 5:
num -= 5
s += 'V'
elif num >= 4:
num -= 4
s += 'IV'
elif num >= 1:
num -= 1
s += 'I'
return s
for i in range(2000):
print('i = ',i,' 對應 = ',intToRoman(i))