搜狐笔试

 import java.text.*;
import java.util.*;


public class Main{          public static void main(String[]ags){         Scanner in = new Scanner(System.in);         String a=in.nextLine();         System.out.println(simplifyPath(a));     }          public static String simplifyPath(String path) {         if(path.length() == 0){             return path;         }                  String[] splits = path.split("/");         LinkedList<String> stack = new LinkedList<String>();         for (String s : splits) {             if(s.length()==0 || s.equals(".")){                 continue;             }else if(s.equals("..")){                 if(!stack.isEmpty()){                     stack.pop();                 }             }else{                 stack.push(s);             }         }                  if(stack.isEmpty()){             stack.push("");         }         String ret = "";         while(!stack.isEmpty()){             ret += "/" + stack.removeLast();         }                  return ret;     }
}