Compilare: main.cpp: In function 'bool BFS(std::vector<std::vector<int> >&, std::vector<std::vector<int> >&, std::vector<int>&)': main.cpp:24:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(int i = 0; i < graf[nod].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int trimite_flux(std::vector<std::vector<int> >&, std::vector<std::vector<int> >&, std::vector<int>&, std::vector<int>&, int, int)': main.cpp:40:19: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | if(count[nod] == graf[nod].size()) main.cpp: In function 'int main()': main.cpp:105:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | for( j = 0; j < graf[i].size(); j++){ | ~~^~~~~~~~~~~~~~~~ main.cpp:112:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 112 | if(j != graf[i].size()) fout<<'\n'; | ~~^~~~~~~~~~~~~~~~~