糖醋里脊 1publicString intToRoman(intnum) {2int[] values={1000,900,500,400,100,90,50,40,10,9,5,4,1};3String[] roman={"M","CM","D","CD","C","XC","L","XL","X","IX","V","IV","I"};4String result="";5for(inti=0;i<values.length;i++)6{7while(num-values[i]>=0)8{9num-=values[i];10result+=roman[i];11...
12. Integer to Roman (JAVA) Roman numerals are represented by seven different symbols:I,V,X,L,C,DandM. Symbol Value I 1 V 5 X 10 L 50 C 100 D 500 M 1000 For example, two is written asIIin Roman numeral, just two one's added together. Twelve is written as,XII, which is sim...
问Integer to Roman“不兼容的类型: int无法转换为布尔型[在MainClass.java中]”EN根据罗马数字的规则...
Leetcode12 Integer to Roman Roman to Integer 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: 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。 所以映射关系应该是 string symbol[]={"M",...
leetcode 12 Integer to Roman 题目详情 Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 题目的意思是: 输入一个阿拉伯数字,我们需要输出这个数字的罗马数字表示形式(字符串)。 想法...
leetcode-013 Roman to Integer 将罗马数字转为整数 思路: (1)首先应该有个字典,存储罗马数字和阿拉伯数字之间的对应关系。 (2)遍历字符串,比较前后两个数的大小,如果后一个数比前一个数小,则加上后一个数,否则,减去后一个数。 为了防止数组索引越界,从后往前取,首先将最后一个数的值存进去,再一次和它...
LeetCode-Java-13. Roman to Integer 题目 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 ...
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),...
import java.util.Scanner; import java.util.Stack; public class RomanToInteger_13 { public static void main(String[] args) { System.out.println("Please input a roman numeral:"); @SuppressWarnings("resource") Scanner input = new Scanner(System.in); ...
(r == 'X') { switch (r_after) { case 'L': return true; case 'C': return true; } } if (r == 'C') { switch (r_after) { case 'D': return true; case 'M': return true; } } return false; } public int romanToInt(String s) { int ans = 0; for (int i = 0; i...