[LeetCode]Integer to Roman
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Given an integer, convert it to a roman numeral.
Input is guaranteed to be within the range from 1 to 3999.
public class Solution { public String intToRoman(int num) { String[] str={"M","CM","D","CD","C","XC","L","XL","X","IX","V","IV","I"}; int[] nums={1000,900,500,400,100,90,50,40,10,9,5,4,1}; String re=""; for(int i=0;i<nums.length;i++){ while(num>=nums[i]){ re+=str[i]; num-=nums[i]; } } return re; } }
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