Compilare: main.cpp: In function 'void bfs(int)': main.cpp:37:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graf[nodCrt].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:84:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < componente[0].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:89:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < componente.size(); i++) ~~^~~~~~~~~~~~~~~~~~~ main.cpp:99:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < componente[i].size(); j++) ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:116:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < sol.size(); i++) ~~^~~~~~~~~~~~