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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. int main() {
  6.     string s = "loveleetcode";
  7.     int count[26] = {0};
  8.  
  9.     for(int i = 0; i < s.length(); i++) {
  10.         count[s[i] - 'a']++;
  11.     }
  12.  
  13.     for(int i = 0; i < s.length(); i++) {
  14.         if(count[s[i] - 'a'] == 1) {
  15.             cout << i << endl;
  16.             return 0;
  17.         }
  18.     }
  19.  
  20.     cout << -1 << endl;
  21.     return 0;
  22. }
  23.  
  24.  
  25.  
Success #stdin #stdout 0.01s 5320KB
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loveleetcode
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https://ideone.com/eu69Sd
language:
C++ (gcc 8.3)
created:
5 hours ago
visibility:
public

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