func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, k;     cin >> n >> k;     int turn = 2 * k + 1;     if (n % turn == 0)       cout << n / turn <<    ;     else       cout << n / turn + 1 <<    ;     double upperbound = (n - 1) % turn + 1;     int MAXN = 0;     upperbound /= 2;     int temp = ceil(upperbound);     for (int i = min(k + 1, temp); i <= n; i += turn) {       cout << i <<    ;       MAXN = i;     }     if (MAXN + k < n) cout << MAXN + 2 * k + 1;     return 0;   }   