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  1. # your code goes here
  2. class Solution(object):
  3.     def firstUniqChar(self, s):
  4.         """
  5.         :type s: str
  6.         :rtype: int
  7.         """
  8.         x = {}
  9.         for i in s:
  10.             x[i] = x.get(i,0)+1
  11.  
  12.         for i in range(len(s)):
  13.             if x[s[i]] == 1:
  14.                 return i
  15.  
  16.         return -1
  17.  
Success #stdin #stdout 0.07s 13996KB
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https://ideone.com/kXH5jG
language:
Python 3 (python  3.12)
created:
6 hours ago
visibility:
public

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