[Java] 1027. Colors in Mars (20)-PAT甲级

1027. Colors in Mars (20)

People in Mars represent the colors in their computers in a similar way as the Earth people. That is, a color is represented by a 6-digit number, where the first 2 digits are for Red, the middle 2 digits for Green, and the last 2 digits for Blue. The only difference is that they use radix 13 (0-9 and A-C) instead of 16. Now given a color in three decimal numbers (each between 0 and 168), you are supposed to output their Mars RGB values.

Input

Each input file contains one test case which occupies a line containing the three decimal color values.

Output

For each test case you should output the Mars RGB value in the following format: first output “#, then followed by a 6-digit number where all the English characters must be upper-cased. If a single color is only 1-digit long, you must print a “0” to the left.

Sample Input

15 43 71

Sample Output

#123456

题目大意:给三个十进制的数,把它们转换为十三进制的数输出。要求在前面加上一个”#”号

分析:因为0~168的十进制转换为13进制不会超过两位数,所以这个两位数为(num / 13)(num % 13)构成的数字

PS:感谢github用户 @fs19910227 提供的pull request~

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
 
public class Main {
    private static char[] signTables = "0123456789ABC".toCharArray();
 
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String[] split = reader.readLine().split(" ");
        System.out.print("#");
        for (String aSplit : split) {
            Integer integer = Integer.valueOf(aSplit);
            System.out.printf("%c%c", signTables[integer / 13], signTables[integer % 13]);
        }
        System.out.println();
    }
 
}

[Java] 1027. Colors in Mars (20)-PAT甲级

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原文 

https://www.liuchuo.net/archives/4998

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