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…
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. 拿到题目,分析,比较简单,除掉相应的基数单位,拼接起来就可以,不过要注意4,9这些特殊的表示. 先上我的代码吧: public String intToRoman(int num){ StringBuffer sb=new StringBuff…
12. Integer to Roman Medium 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…
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…
我现在在做一个叫<leetbook>的免费开源书项目,力求提供最易懂的中文思路,目前把解题思路都同步更新到gitbook上了,需要的同学可以去看看 书的地址:https://hk029.gitbooks.io/leetbook/ 012. Integer to Roman[M] 问题 Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999…
Integer to Roman Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 逐区间做处理. 解法一:非递归 class Solution { public: string intToRoman(int num) { string ret; //M<-->1000 ) { ret += 'M'; num -= ; } //t…
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. 解题思路: 这道题没什么技术含量,一个一个除10以及取模运算就行. 代码如下: public class Solution { public String intToRoman(int num) { String Roman[][] = { {"", "…
Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 解释: 罗马数字采用七个罗马字母作数字.即Ⅰ(1).X(10).C(100).M(1000).V(5).L(50).D(500).记数的方法: 相同的数字连写,所表示的数等于这些数字相加得到的数,如 Ⅲ=3: 小的数字在大的数字的右边,所表示的数等于这些数字相加得到的数,如 Ⅷ=8.…
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…
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…
作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 个人公众号:负雪明烛 本文关键词:roman, 罗马数字,题解,leetcode, 力扣,Python, C++, Java 目录 题目描述 题目大意 解题方法 日期 题目描述 Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 V 5 X…
Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 代码如下: public class Solution { public String intToRoman(int num) { int n=0; int[] nums={1000,500,100,50,10,5,1}; Map<Integer,String> map=new H…
题目: Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 思路: 主要是了解罗马数和阿拉伯数字的对应关系,如下表: 由这个表基本上可以将1-3999范围的阿拉伯数字换成罗马数字.在处理阿拉伯数字时从高位开始匹配,将每个位的值找出对应罗马数字,串成字符串即可. public class Solution { public String…
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. 解题思路: 注意到用例比较少,所以采用以空间换时间的方法,把所有的结果列出,然后组合出输入值n的字符串即可. 具体代码: public class Solution { public static String intToRoman(int num) { String[]…
一天一道LeetCode系列 (一)题目 Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. (二)解题 将整形数字转换成罗马数字 罗马数字共有七个,即I(1),V(5),X(10),L(50),C(100),D(500),M(1000) 举例:Ⅰ.Ⅱ.Ⅲ.Ⅳ.Ⅴ.Ⅵ.Ⅶ.Ⅷ.Ⅸ.Ⅹ.Ⅺ.Ⅻ表示1-11 代码: class Solut…
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…
Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 思路:罗马数字共有七个,即I(1),V(5),X(10),L(50),C(100),D(500),M(1000). 第一步,按照千分位,百分位...一一算下来. class Solution { public: string intToRoman(int num) { int quo…
题目 Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. Symol 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…
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…
题目大意:给定数字,将其转化为罗马数字的形式 罗马数字其实只有 I V X L C D M 这几种形式,其余均为组合的,去百度了解一下就ok. 所以首先想到的就是,将个.十.百.千位的数字构造出来,然后直接用就好了. 要特别注意为整10,整100.1000的情况. String [] ge ={"I","II","III","IV","V","VI","VII",&q…
1. 原题链接 https://leetcode.com/problems/integer-to-roman/description/ 2. 题目要求 (1) 将整数转换成罗马数字: (2) 整数的范围1-3999 3. 关于罗马数字 (1)对应整数 罗马数字 I V X L C D M 对应整数 1 5 10 50 100 500 1000 (2)罗马数字的书写规则 相同的数字连写, 所表示的数等于这些数字相加得到的数.如 XXX表示 30 小的数字在大的数字的右边, 所表示的数等于这些数字相…
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…
12. Integer to Roman Total Accepted: 71315 Total Submissions: 176625 Difficulty: Medium Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 思路: 首先,我们得弄清楚罗马数字的计数方式.根据维基百科的介绍:https://zh.wikipedia.…
12. Integer to Roman Total Accepted: 71315 Total Submissions: 176625 Difficulty: Medium Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 思路: 首先,我们得弄清楚罗马数字的计数方式.根据维基百科的介绍:https://zh.wikipedia.…
