Compilare: main.cpp: In function 'void built()': main.cpp:14:28: warning: unused variable 'tata' [-Wunused-variable] 14 | int nod=q.front(), tata; | ^~~~ main.cpp: In function 'int main()': main.cpp:46:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for(int j=0; j<g[tata].size(); j++) | ~^~~~~~~~~~~~~~~ main.cpp:53:27: warning: variable 'ant' set but not used [-Wunused-but-set-variable] 53 | int x, y, maxx=0, ant=0, after=0; | ^~~