[leetcode]12. Integer to Roman(Java)
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https://leetcode.com/problems/integer-to-roman/#/description
Given an integer, convert it to a roman numeral.
Input is guaranteed to be within the range from 1 to 3999.
package go.jacob.day716;public class Demo1 {public String intToRoman(int num) {int[] values = { 1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1 };String[] strs = { "M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I" };StringBuilder sb = new StringBuilder();for (int i = 0; i < values.length; i++) {while (num >= values[i]) {num -= values[i];sb.append(strs[i]);}}return sb.toString();}}
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