*LeetCode-Integer to Roman
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http://www.factmonster.com/ipka/A0769547.html
暴力枚举1-10 20 30..100 200 300 ....1000
注意返回值里面怎样得到每一位的值 记得除以此位再取模
public class Solution { public String intToRoman(int num) { String [] one = {"","I","II","III","IV","V","VI","VII","VIII","IX"}; String [] ten = {"","X","XX","XXX","XL","L","LX","LXX","LXXX","XC"}; String [] hun = {"","C","CC","CCC","CD","D","DC","DCC","DCCC","CM"}; String [] ths = {"","M","MM","MMM"}; return ths[num/1000%10] + hun[num/100%10] + ten[num/10%10] + one[num%10]; }} 0 0
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