Compilare: main.cpp: In function 'long long int dfs(long long int)': main.cpp:14:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (ll edge : adj[current]) ^~~ main.cpp:18:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if (current != 1) ^~ main.cpp: In function 'int main()': main.cpp:49:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (factors.size() >= n) { ~~~~~~~~~~~~~~~^~~~ main.cpp:54:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (factors.size() < n - 1) ~~~~~~~~~~~~~~~^~~~~~~ main.cpp:63:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < freq.size(); i++) ~~^~~~~~~~~~~~~