华为机试题目

华为研发工程师编程题 1

java解决方法： 

import java.util.*;
import java.io.*;
public class Main{
  public static void main(String[] args) throws IOException {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String line;
        while ((line = in.readLine()) != null) {
          int len = line.length();
          int sum = 0;
          int j = 0;
          for(int i = 2; i < len; i++)
          {
            char c = line.charAt(i);
            if(c >= '0' && c <= '9')
            {
              sum = sum * 16 + (c - '0');
            }
            else if(c >= 'A' && c <= 'F')
            {
              sum = sum * 16 + (c - 'A' + 10);
            }
          }
          String str = String.valueOf(sum);
          System.out.println(str);
        }
  }
}

华为研发工程师编程题 2

java解决方法：

import java.io.*;
public class Main{
  public static void main(String[] args) throws IOException{
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    String line;
    line = in.readLine();
    while(!line.equals("0"))
    {
      int num = 0;
      int len = line.length();
      for(int i = 0; i < len; i++)
      {
        num = num * 10 + line.charAt(i) - '0';
      }
      int num1 = num;
      int count = 0;
      int yushu = 0;
      while(num1 >= 2)
      {
        if(num1 == 2)
        {
          num1 = (num1 + 1) / 3;
          yushu = 0;
          count++;
        }
        else
        {
          yushu = num1 % 3;
          num1 = num1 / 3;
          count = count + num1;
          num1 = num1 + yushu;
        }
      }
      System.out.println(String.valueOf(count));
      line = in.readLine();
    }
  }
}