func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     cin >> s;     const int n = s.length() + 5;     int arr[n];     memset(arr, 0, sizeof arr);     int m, l, r;     for (int i = 0; i < s.length(); i++) {       if (s[i] == s[i + 1]) {         arr[i + 2]++;       }       arr[i + 1] += arr[i];     }     cin >> m;     for (int i = 0; i < m; i++) {       cin >> l >> r;       cout << arr[r] - arr[l] <<   n ;     }   }   