CCF|路径解析|Java

import java.util.Scanner;

public class Main

{

public static void main(String[] args)

{

Scanner in=new Scanner(System.in);

int p=Integer.parseInt(in.nextLine().trim());

String inputPath=in.nextLine().trim();

if(inputPath.length()==1)

{

inputPath="";

}

StringBuilder[] result=new StringBuilder[p];

for(int i=0;i<p;i++)

{

String path=in.nextLine().trim();

        if(path.length()==0)

        {

            if(inputPath.length()==0)

            {

                result[i] = new StringBuilder("/");

            }

            else

                result[i]=new StringBuilder(inputPath);

            continue;

        }

        path=path.replaceAll("/{2,}","/");

        if(path.length()==1&&path.charAt(0)=='/')

        {

            result[i]=new StringBuilder("/");

            continue;

        }

        if (path.charAt(0)!='/')

        {

            path=inputPath+"/"+path;

        }

        if(path.charAt(path.length()-1)=='/')

        {

            path=path.substring(0,path.length()-1);

        }

        String temp="";

        int t=0;

        String[] path1=path.substring(1).split("/");

        for(int j=path1.length-1;j>=0;j--)

        {

            if(path1[j].equals("."))

            {

                continue;

            }

            else if(path1[j].equals(".."))

            {

                t++;

            }

            else if(t>0)

            {

                t--;

            }

            else

            {

                temp="/"+path1[j]+temp;

            }

        }

        result[i]= new StringBuilder(temp);

    }

    in.close();

    for (int i=0;i<p;i++)

    {

        System.out.println(result[i].toString());

    }

}

}

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CCF|路径解析|Java

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