class Solution { public: { int first UniqChar(string unordered_map m; return -1;

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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1 class Solution {
▼
2 public:
int
3▾
4
0
6▾
682
7
9.
345
i++) {
{
10
11
12
13
14
15 };
firstUniqChar(string s) {
unordered_map<char,
int> m;
for(int i=0; i<s.size();
m[s[i]]++;
}
for (int i=0; i<s.size(); i++)
}
}
if(m[s[i]]==1)
return s[i];
return -1;
Transcribed Image Text:1 class Solution { ▼ 2 public: int 3▾ 4 0 6▾ 682 7 9. 345 i++) { { 10 11 12 13 14 15 }; firstUniqChar(string s) { unordered_map<char, int> m; for(int i=0; i<s.size(); m[s[i]]++; } for (int i=0; i<s.size(); i++) } } if(m[s[i]]==1) return s[i]; return -1;
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