class Solution: # @return an integer def romanToInt(self, s): numerals = { "M": 1000, "D": 500, "C": 100, "L": 50, "X": 10, "V": 5, "I": 1 } sum=0 s=s[::-1] last=None for x in s: if last and numerals[x]<last: sum-=2*numerals[x] sum+=numerals[x] l...
[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,'...
The problem is to implement a function that converts an integer to its corresponding Roman numeral representation. I would like to implement a function int_to_roman that takes an integer as input and returns its Roman numeral representation as a string. The function should follow the rules of ...
[LeetCode][Python]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. 思路: 首先找到Roman字母的规律 罗马数字的表示: I - 1 V - 5 X - 10 L - 50 C - 100 D - 500 M - 1000 罗马数字采用七个罗马字母...
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. Example 1: Input: "III" Output: 3 Example 2: Input: "IV" Output: 4 Example 3: Input: "IX" Output: 9 Example 4: ...
[Leetcode][python]Integer to Roman 题目大意 将整数转为罗马数字 解题思路 来自:博客 I = 1; V = 5; X = 10; L = 50; C = 100; D = 500; M = 1000; 其中每两个阶段的之间有一个减法的表示,比如900=CM, C写在M前面表示M-C。
Converting Integers into Roman Numerals using Java, Converting Integer Values into Roman Numerals: A Rephrased Perspective, Java Implementation for Conversion Between Roman and Arabic Numerals
0006-zigzag-conversion.cpp 0007-reverse-integer.cpp 0009-palindrome-number.cpp 0010-regular-expression-matching.cpp 0011-container-with-most-water.cpp 0012-integer-to-roman.cpp 0013-roman-to-integer.cpp 0014-longest-common-prefix.cpp 0015-3sum.cpp 0017-letter-combinations-of-a-phone-number.cpp 00...
My try on python. 1. a integer to roman numeral, work between 0 to 3999. https://code.sololearn.com/caBR7zasyKVz/#py 2. roman numeral convert to integer. https://code.sololearn.com/c9fmB9cIaS3Q/#py 27th Apr 2018, 5:07 PM spring 0 Very quickly?! You did that before? 16th Dec...