2020-05-25-FirstUniqueCharacterInAString
Leetcode-64
1 | Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. |
solution
1 | /** |
1 | class Solution { |
1 | Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. |
1 | /** |
1 | class Solution { |