题目描述: Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. Subscribe to see which companies asked this question Show Tags Show Similar Problems 准备知识看上篇博客 leetcode之旅(10)-Roman to Integer 思路: 当前这个数…

LeetCode第13题 Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 V 5 X 10 L 50 C 100 D 500 M 1000 For example, two is written as II in Roman numeral, just two one's added together. Twelve is written as,…

1.题目13. Roman to Integer Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 V 5 X 10 L 50 C 100 D 500 M 1000 For example, two is written as II in Roman numeral, just two one's added together. Twelve is…

Problem: Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 遍历一次输入的字符串,如果不满足类似4或者9的就直接加相应的数,否则减去相应的数.其中对应如下”IVXLCDM“对应{1,5,10,50,100,500,1000} class Solution { public: int romanToInt(string s)…

Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 V 5 X 10 L 50 C 100 D 500 M 1000 For example, two is written as II in Roman numeral, just two one's added together. Twelve is written as, XII, which i…

能力有限,这道题采用的就是暴力方法,也只超过了39%的用户.需要注意的就是罗马数字如果IXC的后一位比前一位大的采取的是减的方式. Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 给定一个罗马数字,将其转换为整数. 输入保证在1到3999之间. class Solution { public int romanToInt(Stri…

#-*- coding: UTF-8 -*-#从前向后遍历罗马数字,#如果某个数比前一个数小,则加上该数.反之,减去前一个数的两倍然后加上该数###-----技术规则-----#-------------------------------------------------------------------------------------##1.相同的数字连写,所表示的数等于这些数字相加得到的数,例如:III = 3##2.小的数字在大的数字右边,所表示的数等于这些数字相加得到的数,例如…

# -*- 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.===Comments by D…

题目描述: Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. Subscribe to see which companies asked this question 预备知识: 记数方法 基本字符 I V X L C D M 相应的阿拉伯数字表示为 1 5 10 50 100 500 1000 1.相同的数字连写,所表示的数等于这…

Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 罗马数转化成数字问题,我们需要对于罗马数字很熟悉才能完成转换.以下截自百度百科: 罗马数字是最早的数字表示方式,比阿拉伯数字早2000多年,起源于罗马. 如今我们最常见的罗马数字就是钟表的表盘符号:Ⅰ,Ⅱ,Ⅲ,Ⅳ(IIII),Ⅴ,Ⅵ,Ⅶ,Ⅷ,Ⅸ,Ⅹ,Ⅺ,Ⅻ…… 对应阿拉伯数字(就是现…