Compilare: main.cpp: In function 'bool comp(int, int)': main.cpp:16:84: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 16 | return lista[a].size() > lista[b].size() || lista[a].size() == lista[b].size() && a<b ; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~ main.cpp: In function 'void bfs(int)': main.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(i=0;i<graf[x].size();i++) | ~^~~~~~~~~~~~~~~ main.cpp:22:13: warning: unused variable 'j' [-Wunused-variable] 22 | int x,i,j; | ^ main.cpp: In function 'int main()': main.cpp:66:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(j=0;j<prieteni.size();j++) | ~^~~~~~~~~~~~~~~~ main.cpp:77:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | for(j=0;j<lista[i].size();j++) | ~^~~~~~~~~~~~~~~~