func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int s;     cin >> s;     int *a = new int[s];     for (int i = 0; i < s; i++) cin >> a[i];     for (int i = s - 2; i < s; i--) {       if (a[i] != a[i + 1]) {         cout << i + 1 << endl;         break;       }     }     return 0;   }   