
Asked in Goldman Sachs
Simplify Directory Path Problem Statement
You are provided with a directory path in Unix-style notation, and your task is to simplify it according to given rules.
In a Unix-style file system:
- A dot (.) refers to the current directory.
- A double dot (..) refers to the parent directory.
- Multiple slashes between directories should be treated as a single slash.
The simplified path must start with a slash (/) and have single slashes between directory names without having a trailing slash.
Example:
Input:
T = 2
path = "/a/./b/../../c/"
path = "/home//foo/"
Output:
"/c"
"/home/foo"
Explanation:
For the given input paths, after applying the simplification rules, the resulting paths are shown in the output.
Constraints:
- 1 <= T <= 100
- 0 <= N <= 105 where N is the length of the input path.
Note that you do not need to print anything explicitly, as output formatting is handled. Just implement the function to return the simplified path.
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