func_code_string: #include <bits/stdc++.h>   using namespace std;   vector<string> split_string(string);   bool isDiverse(string &s) {     int len = s.length();     sort(s.begin(), s.end());     for (int i = 0; i < len - 1; i++) {       if (s[i] == s[i + 1]) {         return false;       } else if (s[i + 1] != s[i] + 1) {         return false;       }     }     return true;   }   int main() {     ios::sync_with_stdio(false);     int N;     string s;     cin >> N;     for (int i = 0; i < N; i++) {       cin >> s;       if (isDiverse(s)) {         cout <<  Yes n ;       } else {         cout <<  No n ;       }     }   }   vector<string> split_string(string input_string) {     vector<string> splits;     stringstream ss(input_string);     string item;     while (getline(ss, item,    )) {       splits.push_back(item);     }     return splits;   }   