Compilare: main.cpp: In function 'int BF()': main.cpp:18:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 18 | for(int i = 1; i <= n; i++) | ^~~ main.cpp:20:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 20 | viz[1] = 1; | ^~~ main.cpp:26:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for (int j = 0; j < G[nod].size(); j++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:57:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for (i = 0; i < G[n].size(); i++) | ~~^~~~~~~~~~~~~