Problem Description
Given a string A representing an absolute path for a file (Unix-style).
Return the string A after simplifying the absolute path.
Note:
In Unix-style file system:
- A period '.' refers to the current directory.
- A double period '..' refers to the directory up a level.
- Any multiple consecutive slashes '//' are treated as a single slash '/'.
In Simplified Absolute path:
- The path starts with a single slash '/'.
- Any two directories are separated by a single slash '/'.
- The path doesn't end with trailing slashes '/'.
- The path only contains the directories on the path from the root directory to the target file or directory (i.e., no period '.' or double period '..')
- The path will not have whitespace characters.
1 <= |A| <= 106
Input Format
The only argument given is string A.
Output Format
Return a string denoting the simplified absolute path for a file (Unix-style).
Example Input
Input 1:
A = "/home/"
Input 2:
A = "/a/./b/../../c/"
Output 1:
"/home"
Output 2:
"/c"
NOTE: You only need to implement the given function. Do not read input, instead use the arguments to the function. Do not print the output, instead return values as specified.
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