problem: Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 将1-3999的整数转换为罗马数字 thinking: (1) 对比举例 个位数举例 Ⅰ,1 ]Ⅱ.2] Ⅲ,3] Ⅳ,4 ]Ⅴ.5 ]Ⅵ,6]Ⅶ.7] Ⅷ,8 ]Ⅸ.9 ] 十位数举例 Ⅹ.10] Ⅺ,11 ]Ⅻ,12] XIII,13] XIV,14] XV,1…

1.题目 12. Integer to Roman 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 i…

12 - Integer to Roman Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. Solution: 枚举,考虑每个字符以及每两个字符的组合 1 class Solution { 2 public: 3 string intToRoman(int num) { //runtime:28ms 4 string ret; 5…

Problem: Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 把阿拉伯数字转换为罗马数字输出.百度一下对应的 I V X L C D M,代表1,5,10,50,100,500,1000 然后写一个子函数,输入数字和相应的位数级别,如个位为level 1,千为4.因为最多不会超过四千.所以可以如下.注意了,string用法很好…

题目 Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 分析 该题目要求将给定的1~3999之间的整型数字转换为罗马数字并输出. 解这道题我们必须了解罗马字母与整数之间的对应: 对照举例如下: AC代码 class Solution { public: string intToRoman(int num) { //存储罗马数字 st…

# -*- coding: utf8 -*-'''__author__ = 'dabay.wang@gmail.com'https://oj.leetcode.com/problems/integer-to-roman/Integer to Roman Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999.===Comments by D…

Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 之前那篇文章写的是罗马数字转化成整数(http://www.cnblogs.com/grandyang/p/4120857.html), 这次变成了整数转化成罗马数字,基本算法还是一样.由于题目中限定了输入数字的范围(1 - 3999), 使得题目变得简单了不少. 基本字符 I V…

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…

Integer to Roman Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999.   罗马数字的组数规则,有几条须注意掌握:(1)基本数字Ⅰ.X .C 中的任何一个,自身连用构成数目,或者放在大数的右边连用构成数目,都不能超过三个:放在大数的左边只能用一个.(2)不能把基本数字 V .L .D 中的任何一个作为小数放在大数的左边采…

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…