func_code_string: #include <bits/stdc++.h>   using namespace std;   const int INF = (int)1e9;   const int len = (int)2e5;   int a[len];   int main() {     int k, n;     cin >> n >> k;     for (int i = 0; i < n; i++) {       cin >> a[i];     }     string s;     cin >> s;     long long ans = 0;     for (int i = 0; i < n; i++) {       int j = i;       vector<int> v;       while (j < n && s[j] == s[i]) {         v.push_back(a[j]);         j++;       }       sort(v.begin(), v.end(), greater<int>());       for (int l = 0; l < min(k, (int)v.size()); l++) {         ans += v[l];       }       i = j - 1;     }     cout << ans << endl;     return 0;   }   