func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     cin >> s;     long long n = s.size(), i, j;     long long displaced_left[n], displaced_right[n], minimum = INT_MAX;     for (i = 0, j = s.size() - 1; i < n; i++, j--) {       if (i == 0) {         displaced_left[i] = 0, displaced_right[j] = 0;         continue;       }       if (s[i - 1] >=  a  && s[i - 1] <=  z )         displaced_left[i] = displaced_left[i - 1] + 1;       else         displaced_left[i] = displaced_left[i - 1];       if (s[j + 1] >=  A  && s[j + 1] <=  Z )         displaced_right[j] = 1 + displaced_right[j + 1];       else         displaced_right[j] = displaced_right[j + 1];     }     for (i = 0; i < n; i++)       minimum = min(minimum, displaced_left[i] + displaced_right[i]);     cout << minimum << endl;     return 0;   }   