func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 105;   int v[N], ans[N];   int main() {     cin.tie(0), ios_base::sync_with_stdio(false);     int n, k, s = 0;     cin >> n >> k;     for (int i = 0; i < n; i++) cin >> v[i], s += v[i], ans[i % k] += v[i];     int tans = 0;     for (int i = 0; i < k; i++) tans = max(tans, abs(s - ans[i]));     cout << tans <<   n ;   }   