Compilare: main.cpp: In function 'void bfs(int, std::vector<std::vector<int> >&, std::vector<bool>&, std::vector<int>&, std::vector<int>&)': main.cpp:37:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for (int j = 0; j < vecini[varf].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:114:62: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 114 | if(oras_start == sosea_si_lungime[i].first.first && oras_destinatie == sosea_si_lungime[i].first.second || oras_start == sosea_si_lungime[i].first.second && oras_destinatie == sosea_si_lungime[i].first.first) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~