func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     int a[n];     for (int i = 0; i < n; i++) {       cin >> a[i];     }     int count = 0;     for (int i = 1; i < n - 1; i++) {       if ((a[i - 1] - a[i]) * (a[i + 1] - a[i]) > 0) {         count++;       }     }     cout << count << endl;     return 0;   }   