“Python Roman to Integer” Ответ

Python Roman to Integer

class Solution:
    def romanToInt(self, s):
 
        values = {'I': 1, 'V': 5, 'X': 10, 'L' : 50, 'C' : 100, 'D' : 500, 'M' : 1000}   
        result = 0
        for i in range(len(s)):
            if i + 1 < len(s) and values[s[i]] < values[s[i + 1]] : # if current item is not the last item on the string
                                                                    # and current item's value is smaller than next item's value 
                result = result - values[s[i]]                      # then subtract current item's value from result
            else:
                result = result + values[s[i]]                      # otherwise add current item's value to result
        return result

Task = Solution()
print(Task.romanToInt("III"))
print(Task.romanToInt("LVIII"))
print(Task.romanToInt("MCMXCIV"))
Kingsley Atuba

Python Roman to Integer Method 2

class Solution:
    def romanToInt(self, s):
 
        values = {'I': 1, 'V': 5, 'X': 10, 'L' : 50, 'C' : 100, 'D' : 500, 'M' : 1000}   
        result = 0
        for i in range(len(s)):
            if i + 1 == len(s) or values[s[i]] >= values[s[i + 1]] : # if current item is not the last item on the string
                                                                    # or current item's value is greater than or equal to next item's value 
                result = result + values[s[i]]                      # then add current item's value from result
            else:
                result = result - values[s[i]]                      # otherwise subtract current item's value from result
        return result

Task = Solution()
print(Task.romanToInt("III"))
print(Task.romanToInt("LVIII"))
print(Task.romanToInt("MCMXCIV"))
Kingsley Atuba

римский до целочисленного питона

def romanToInt(rm_letter):
    roman = {'I':1,'V':5,'X':10,'L':50,'C':100,'D':500,'M':1000,'IV':4,'IX':9,'XL':40,'XC':90,'CD':400,'CM':900}
    i = 0
    num = 0
    while i < len(rm_letter):
        if i+1<len(rm_letter) and rm_letter[i:i+2] in roman:
            num+=roman[rm_letter[i:i+2]]
            i+=2
        else:

            num+=roman[rm_letter[i]]
            i+=1
    return num

roman = input("Enter roman letter: ").upper()
roman=romanToInt(roman)
print(roman)
Akshay Vs

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