48 lines
1.3 KiB
Java
48 lines
1.3 KiB
Java
package com.thinker.bishi.huawei;
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import java.util.Scanner;
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/**
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* @author lzh
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* @apiNote 华为笔试第二道题，题目记得不太清楚
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*/
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public class HexChange {
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private static StringBuilder result = new StringBuilder();
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private static void hexChange(int num,int hex){
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if(hex == 0) return ;
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int residue = num % hex;
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num = num/hex;
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result.append(residue);
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if(num == 0) return;
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hexChange(num,hex);
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}
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private static int getResult(int num,int hex){
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hexChange(num,hex);
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StringBuilder tmp = new StringBuilder();
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for(int i=0;i<result.length();i++){
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tmp.append(result.charAt(result.length()-1-i));
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}
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result = new StringBuilder();
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return Integer.parseInt(tmp.toString());
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}
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private static void result(int num){
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if(num > 0 && num <= 10){
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Integer sum = 0;
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int hex = 2;
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while (hex<=num){
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sum += getResult(num,hex);
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hex ++;
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}
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System.out.println(sum);
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}else {
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System.out.println("error");
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}
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}
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public static void main(String[] args) {
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Scanner in = new Scanner(System.in);
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int num = in.nextInt();
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result(num);
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}
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}
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