func_code_string: #include <bits/stdc++.h>   using namespace std;   signed main() {     long long int n, m, k;     cin >> n >> m >> k;     vector<long long int> ans;     if (k > 1) {       long long int last = 0;       for (long long int i = 0; i < k; i++) {         ans.push_back(0);       }       last = n - 1;       for (long long int i = 1; i < n + m; i++) {         if (i == last) {           ans.push_back(i);         } else if (i == last + 1) {           for (long long int j = 0; j < k - 1; j++) ans.push_back(i);           last = i + n - 1;         }       }     } else {       ans.push_back(0);       long long int last = n - 1;       for (long long int i = 1; i < n + m; i++) {         if (i == last) {           ans.push_back(i);           last = i + n - 1;         }       }     }     cout << ans.size() <<   n ;     for (auto i : ans) cout << i + 1 <<    ;     return 0;   }   