leetcode First Unique Character in a String
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class Solution {public: int firstUniqChar(string s) { map<char,int> chars; for(int i=0; i< s.size(); i++) { int temp = chars[s[i]]; if(temp !=0) { chars[s[i]]=2; } else { chars[s[i]]=1; } } for(int i=0; i< s.size(); i++) { int temp = chars[s[i]]; if(temp ==1) { return i; } } return -1; }}; 0 0
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