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Update IntegerToRoman.java

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Yang Libin 2019-06-20 17:23:49 +08:00 committed by GitHub
parent ec91f0c2ad
commit c188fa9187
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1 changed files with 22 additions and 22 deletions
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Conversions/IntegerToRoman.java
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@ -1,29 +1,29 @@
package Conversions;
public class IntegerToRoman {
private static int[] allArabianRomanNumbers = new int[] {1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1};
private static String[] allRomanNumbers = new String[] {"M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"};
private static int[] allArabianRomanNumbers = new int[]{1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1};
private static String[] allRomanNumbers = new String[]{"M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"};
public static String integerToRoman(int num) {
if(num <= 0) {
return "";
}
StringBuilder builder = new StringBuilder();
for(int a = 0;a < allArabianRomanNumbers.length;a++) {
int times = num / allArabianRomanNumbers[a];
for(int b = 0;b < times;b++) {
builder.append(allRomanNumbers[a]);
}
num -= times * allArabianRomanNumbers[a];
}
return builder.toString();
if (num <= 0) {
return "";
}
StringBuilder builder = new StringBuilder();
for (int a = 0; a < allArabianRomanNumbers.length; a++) {
int times = num / allArabianRomanNumbers[a];
for (int b = 0; b < times; b++) {
builder.append(allRomanNumbers[a]);
}
num -= times * allArabianRomanNumbers[a];
}
return builder.toString();
}
public static void main(String[] args) {
System.out.println(IntegerToRoman.integerToRoman(2131));
}
System.out.println(IntegerToRoman.integerToRoman(2131));
}
}