Compilare: main.cpp: In function 'void bfs1(int)': main.cpp:18:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i=0;i<lista[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void bfs2(int)': main.cpp:44:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for(int i=0;i<lista[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:76:13: warning: 'nod' may be used uninitialized [-Wmaybe-uninitialized] 76 | bfs2(nod); | ~~~~^~~~~ main.cpp:68:22: note: 'nod' was declared here 68 | int maxim=-1,nod; | ^~~