Integer to Roman
- 博客分类：
- leetcode刷题
Given an integer, convert it to a roman numeral.
Input is guaranteed to be within the range from 1 to 3999.
数字转换为罗马数字，而且还限制了最大值，所以用一个很取巧的方式。
关于罗马数字http://baike.baidu.com/link?url=1BTnMQM8UpftRdCc9X_Y_fupzMgCJbP_26OM4CAmLJFUAD1prEvnGO8S9jssOyopNYPididMx7Yjsq132xua4_
Input is guaranteed to be within the range from 1 to 3999.
数字转换为罗马数字，而且还限制了最大值，所以用一个很取巧的方式。
public String intToRoman(int num) {
String result = "";
String[] ge = {"","I", "II","III", "IV","V","VI","VII", "VIII","IX"};
String[] hen = {"","X","XX","XXX","XL","L","LX","LXX","LXXX","XC"};
String[] he = {"","C","CC","CCC","CD", "D","DC","DCC","DCCC","CM"};
String[] thr = {"","M","MM","MMM"};
int[] i = {0,0,0,0};
int c = num;
for(int j = 0;j<4;j++){
i[j] = c%10;
c /= 10;
}
result = thr[i[3]]+he[i[2]]+hen[i[1]]+ge[i[0]];
return result;
}
关于罗马数字http://baike.baidu.com/link?url=1BTnMQM8UpftRdCc9X_Y_fupzMgCJbP_26OM4CAmLJFUAD1prEvnGO8S9jssOyopNYPididMx7Yjsq132xua4_
分享到：
发表评论
-
Merge k Sorted Lists
2015-03-12 19:55 325Merge k sorted linked lists and ... -
Generate Parentheses
2015-03-12 19:50 363Given n pairs of parentheses, w ... -
Generate Parentheses
2015-03-05 22:39 0Given n pairs of parentheses, w ... -
Valid Parentheses
2015-03-05 22:33 307Given a string containing just ... -
Remove Nth Node From End of List
2015-03-05 22:31 338Given a linked list, remove the ... -
Letter Combinations of a Phone Number
2015-03-05 22:30 329Letter Combinations of a Phone ... -
4Sum
2015-03-05 22:26 310Given an array S of n integers, ... -
3Sum Closest
2015-03-05 22:25 291Given an array S of n integers, ... -
3Sum
2015-03-03 22:34 317Given an array S of n integers, ... -
Longest Common Prefix
2015-03-03 22:21 326Write a function to find the lo ... -
Roman to Integer
2015-03-03 22:20 326Given a roman numeral, convert ... -
Container With Most Water
2015-03-01 22:55 321Given n non-negative integers a ... -
Regular Expression Matching
2015-03-01 20:19 365Implement regular expression ma ... -
Palindrome Number
2015-02-13 22:08 330Determine whether an integer is ... -
String to Integer (atoi)
2015-02-13 11:07 340Implement atoi to convert a str ... -
Reverse Integer
2015-02-12 23:39 227Reverse digits of an integer. ... -
ZigZag Conversion
2015-02-12 23:37 253The string "PAYPALISHIRING ... -
Longest Palindromic Substring
2015-02-12 22:50 333Given a string S, find the long ... -
Add Two Numbers
2015-02-12 22:12 299You are given two linked lists ... -
Longest Substring Without Repeating Characters
2015-02-11 21:14 424[size=24px;]Longest Substring W ...
相关推荐
leetcode上Roman to Integer的完整C++代码，已被accepted
LeetCode Roman to Integer解决方案
Integer to Roman Roman to Integer Count and Say Anagrams Valid Anagram Simplify Path Length of Last Word Isomorphic Strings Word Pattern 栈和队列 栈 Min Stack Valid Parentheses Longest Valid ...
Integer 008 String to Integer (atoi) 009 Palindrome Number 010 Regular Expression Matching 011 Container With Most Water 012 Integer to Roman 013 Roman to Integer 014 Longest Common Prefix 015 3Sum ...
Integer 简单 字串 String to Integer (atoi) 中等 字串 麻烦 Palindrome Number 简单 字串 Container With Most Water 中等 动态规划 重要 Integer to Roman 中等 重要 Roman to Integer 简单 重要 Longest Common ...
Integer 008. String to Integer 009. Palindrome Number 010. Regular Expression Matching 011. Container With Most Water 012. Integer to Roman 013. Roman to Integer 014. Longest Common Prefix 019. R
Integer 8.String To Integer 9.Palindrome Number 10.String To Integer 11.Container With Most Water 12.Integer To Roman 13.Roman To Integer 289 347 380 442 457 Circular Array Loop 535 Encode and Decode ...
Integer 简单 8 String to Integer (atoi) 中等 9 Palindrome Number 简单 11 Container With Most Water 中等 12 Integer to Roman 中等 13 Roman to Integer 简单 14 Longest Common Prefix 简单 15 3Sum 中等 16 ...
Integer 8.String to Integer (atoi) 9.Palindrome Number 10.Regular Expression Matching 11.Container With Most Water 12.Integer to Roman 13.Roman to Integer 14.Longest Common Prefix (Trie树待完成) 15.3...
Integer 9. Palindrome Number 11. Container With Most Water 12. Integer to Roman 13. Roman to Integer 14. Longest Common Prefix 15. 3Sum 20. Valid Parentheses 21. Merge Two Sorted Lists 22. Generate ...
Integer 33.2% 简单 8 String to Integer (atoi) 18.5% 中等 9 Palindrome Number 56.7% 简单 10 Regular Expression Matching 25.3% 困难 11 Container With Most Water 59.3% 中等 12 Integer to Roman 61.8% 中等...
to Integer (atoi) addBinary longestPalindrome maximal rectangle :dp问题，较难 largestRectangleArea 求直方图的最大面积，左右两次扫面+剪枝优化 Valid Parentheses 用栈判断括号匹配 Regular Expression ...
Integer 整数反转 8. String to Integer (atoi) 字符串转换整数 (atoi) 9. Palindrome Number 回文数 10. Regular Expression Matching 正则表达式匹配 11. Container With Most Water 盛最多水的容器 12. Integer ...
3999）之内的整数，该应用程序将给出Roman值先决条件总览该应用程序支持以下查询输入：localhost：8080 /输出： Welcome to the Application that converts Integer to Roman输入：localhost：8080 / romannumeral？...
462 | [Minimum Moves to Equal Array Elements II](https://leetcode.com/problems/minimum-moves-to-equal-array-elements-ii/) | [C++](./C++/minimum-moves-to-equal-array-elements-ii.cpp) [Python](./Python/...
Flamg The flames of youth are raging. 解题口诀 动规递归是神器， 全无用处想哈希。... Integer to Roman][23]][24] [![13. Roman to Integer][25]][26] [![14. Longest Common Prefix][27]][28] [!
Integer.cpp 9 回文数 Palindrome Number.cpp 12 整数转罗马数字 Integer to Roman.cpp 13 罗马数字转整数 Roman to Integer.cpp 15 三数之和 3Sum.cpp 最接近的三数之和 3Sum Closest .cpp 20 有效的括号 Valid ...
leetcode-integer_to_roman
Integer(atoi) :star: :star: :star: 注意细节，溢出 ---- strlen :star: :star: :star: const char，size_t类型 ---- strcpy :star: :star: :star: 字符串复制，返回值，赋值语句 0028 strStr :star: :star: :star:...
13. 罗马数字转整数 Roman to Integer用哈希存储映射字符--->对映的值对字符串的字符挨个判断，考虑下一个字符如果下一个字符大于当前字符，su