og86

uni_char

May 29th, 2023
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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7. string s;
  8. cin>>s;
  9. vector<int> mp(26,0);
  10. for(auto i: s){
  11. mp[i-'a']++;
  12. }
  13. int fl = 0;
  14. for(auto i: mp){
  15. if(i==1) fl = 1;
  16. }
  17. if(!fl){
  18. cout<<-1;
  19. return 0;
  20. }
  21. for(int i = 0; i < s.size(); i++){
  22. if(mp[s[i]-'a'] == 1){
  23. cout<<i;
  24. return 1;
  25. }
  26. }
  27. }
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