func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, k;     int i, j;     cin >> n >> k;     int arr[n];     for (i = 0; i < n; i++) cin >> arr[i];     int one, two;     int m = 0;     for (i = 0; i < k; i++) {       one = 0, two = 0;       for (j = i; j < n; j = j + k) {         if (arr[j] == 1)           one++;         else           two++;       }       m = m + min(one, two);     }     cout << m << endl;   }   