func_code_string: #include <bits/stdc++.h>   using namespace std;   long long i, j, m, n, p, q, r, ans, l, ch = 1;   string s;   int f;   vector<long long> v;   int main() {     cin >> s;     l = s.size();     f = s.find( bear , 0);     while (f >= 0) {       p = f + 1;       ch = abs(p - ch) + 1;       q = p + 3;       r = (l - q) + 1;       ans += (r * ch);       ch = p + 1;       f = s.find( bear , ch);     }     cout << ans;   }   