func_code_string: #include <bits/stdc++.h>   using namespace std;   const int mod = 1e9 + 7;   void solve() {     int n;     cin >> n;     string s;     cin >> s;     vector<vector<int> > v(26);     for (int i = 0; i < n; i++) {       char a = s[i];       char k = a;       k++;       for (char j = k; j <=  z ; j++) {         int x = j -  a ;         if (v[x].size() > 0) {           cout <<  YES  << endl;           cout << v[x].back() + 1 <<     << i + 1 << endl;           return;         }       }       v[a -  a ].push_back(i);     }     cout <<  NO  << endl;   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int tests = 1;     while (tests--) {       solve();     }   }   