388. Longest Absolute File Path

leetcode.com/problems/longest-absolute-file-path/

Longest Absolute File Path - LeetCode

class Solution:
    def lengthLongestPath(self, input: str) -> int:
        
        tokens = input.split('\n')
        
        if not tokens :
            return 0
        
        d = collections.defaultdict(int)
        output = 0
        
        for t in tokens :
            depth = t.count('\t')
            d[depth] = d[depth-1] + len(t) - depth
            
            if '.' in t :
                output = max(output, d[depth]+depth)
        
        return output