Compilare: main.cpp: In function 'void bfslave()': main.cpp:30:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int i = 0; i < v[nod].size(); i++){ | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void fa_drumurile()': main.cpp:58:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for(int i = 0; i < v[2*n+1].size(); i++){ | ~~^~~~~~~~~~~~~~~~~