Compilare: main.cpp: In function 'void bfs1(int)': main.cpp:19:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(int i=0;i<lista[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void curat2()': main.cpp:38:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for(int j=0;j<lista[i].size();j++) | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void bfs2(int)': main.cpp:49:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for(int i=0;i<lista[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:81:13: warning: 'nod' may be used uninitialized [-Wmaybe-uninitialized] 81 | bfs2(nod); | ~~~~^~~~~ main.cpp:73:22: note: 'nod' was declared here 73 | int maxim=-1,nod; | ^~~