remove_subfolder_filesystem.py (1167B)
| # 1233. Remove Sub-Folders from the Filesystem
"""
given a list of folders 'folder', return the folders after removing all the
sub-folders in those folders. you may return the answer in any order. if a
'folder[i]' is located within another 'folder[j]', it is called a sub-folder
of it. a sub-folder of 'folder[j]' must start with 'folder[j]', followed by
'/'. the format of a path is one ormore concatenated strings of the form: '/'
followed by one or more lowercase english letters.
"""
class Solution(object):
def removeSubfolders(self, folder):
"""
:type folder: List[str]
:rtype: List[str]
"""
n = len(folder)
folder.sort()
ans = []
ans.append(folder[0])
for i in range(1, n):
last = ans[-1]
if not folder[i].startswith(last + "/"):
ans.append(folder[i])
return ans
if __name__ == "__main__":
obj = Solution()
print(obj.removeSubfolders(folder=["/a", "/a/b", "/c/d", "/c/d/e", "/c/f"]))
print(obj.removeSubfolders(folder=["/a", "/a/b/c", "/a/b/d"]))
print(obj.removeSubfolders(folder=["/a/b/c", "/a/b/ca", "/a/b/d"]))
|
