[LeetCode][Python]Roman to Integer # -*- coding: utf8 -*- ''' __author__ = 'dabay.wang@gmail.com' https://oj.leetcode.com/problems/roman-to-integer/ Roman to Integer Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999....
[LeetCode]题解(python):013-Roman to Integer 题目来源: https://leetcode.com/problems/roman-to-integer/ 题意分析: 这道题目和上一题目相反,是将罗马数字转化成阿拉伯数字。 题目思路: 只要知道罗马数字和阿拉伯数字之间是怎么转换的就可以了。先做一个字符和数值对应的字典,{'I':1,'V':5,'X':10,'...
/usr/bin/env python# -*- coding: UTF-8 -*-classSolution(object):defromanToInt(self,s):""" :type s: str :rtype: int """d={'I':1,'V':5,'X':10,'L':50,'C':100,'D':500,'M':1000}s=s[::-1]sum=0last=Noneforeins:iflastandd[e]<last:sum-=2*d[e]sum+=d[e]las...
roman = [ "M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I" ] integer = [ 1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1 ] result = '' for i in range(0, len(integer)): while num >= integer[i]: result += roman...
Python Class: Exercise-1 with SolutionWrite a Python class to convert an integer to a Roman numeral.Sample Solution-1:Python Code:class py_solution: def int_to_Roman(self, num): val = [ 1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1 ] syb = [ "M", "CM", "D...
""" Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. """def roman_to_int(s:"str")->"int": number = 0 roman = {'M':1000, 'D':500, 'C': 100, 'L':50, 'X':10, 'V':5, 'I':1}...
链接:https://leetcode.com/problems/roman-to-integer/#/description难度:Easy题目:13. Roman to Integer Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999.翻译:将给定的罗马数字转化为整数,输入保证在1～3999之间概念:什么是罗马数字?
Roman numerals are usually written largest to smallest from left to right. However, the numeral for four is not IIII. Instead, the number four is written as IV. Because the one is before the five we subtract it making four. The same principle applies to the number nine, which is written...
Roman numerals are usually written largest to smallest from left to right. However, the numeral for four is notIIII. Instead, the number four is written asIV. Because the one is before the five we subtract it making four. The same principle applies to the number nine, which is written as...
Roman numerals are usually written largest to smallest from left to right. However, the numeral for four is not IIII. Instead, the number four is written as IV. Because the one is before the five we subtract it making four. The same principle applies to the number nine, which is written...