func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, k;     cin >> n >> k;     int a[110];     for (int i = 0; i < n; i++) {       cin >> a[i];     }     int i, one, two, j, ans = 0;     for (i = 0; i < k; i++) {       for (one = 0, two = 0, j = i; j < n; j += k) {         if (a[j] == 1)           one++;         else           two++;       }       ans += min(one, two);     }     cout << ans;     return 0;   }   