leetcode：Integer to Roman 【Java】

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一、问题描述

Given an integer, convert it to a roman numeral.

Input is guaranteed to be within the range from 1 to 3999.

二、问题分析

无

三、算法代码

public class Solution {public String intToRoman(int num) {int radix[] = {1000, 900, 500, 400, 100, 90,50, 40, 10, 9, 5, 4, 1};String symbol[] = {"M", "CM", "D", "CD", "C", "XC","L", "XL", "X", "IX", "V", "IV", "I"};String roman = "";for (int i = 0; num > 0; ++i) {int count = num / radix[i];num %= radix[i];for (; count > 0; --count) roman += symbol[i];
}return roman;}
}

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