func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     int m;     int a[100005] = {0};     int b[100005] = {0};     cin >> s;     s =     + s;     cin >> m;     for (int i = 1; i <= s.length(); i++) {       if (s[i] == s[i + 1]) a[i] = 1;     }     for (int i = 1; i <= s.length(); i++) {       b[i] = b[i - 1] + a[i];     }     while (m--) {       int l, r, flag = 0;       cin >> l >> r;       flag = b[r - 1] - b[l - 1];       cout << flag << endl;     }     return 0;   }   