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- using namespace std;
- string alphabetIndex(string str) {
- string result;
- for(int i = 0;i<str.size();i++){
- if(!isalpha(str[i])){continue;}
-
- str[i] = tolower(str[i]);
-
- int temp = str[i]-96;
-
- result += to_string(temp)+ ' ';
- }
-
- result.pop_back();
- return result;
- }
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