func_code_string: #include <bits/stdc++.h>   using namespace std;   #pragma GCC diagnostic ignored  -Wmissing-declarations    inline int safe_mul(const int x, const int y)       __attribute__((warn_unused_result));   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     int n, k;     cin >> n >> k;     int c = (n - k) / 2;     string ans;     for (int i = 0; i < n; ++i) ans.push_back( 0  + (i % (c + 1) < c));     cout << ans << endl;   }   