Compilare: main.cpp: In function 'void bfs()': main.cpp:103:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 103 | for(p=0;p<lista_adiacenta[element].size();p++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void lista_afisare()': main.cpp:120:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 120 | for(j=0;j<lista_adiacenta[i].size();j++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:130:9: warning: unused variable 'i' [-Wunused-variable] 130 | int i,j; | ^ main.cpp:130:11: warning: unused variable 'j' [-Wunused-variable] 130 | int i,j; | ^