Compilare: main.cpp: In function 'std::vector<int> BFS(int)': main.cpp:33:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0 ; i<g[nod].size() ; i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:59:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0 ; i<bune.size() ; i++) ~^~~~~~~~~~~~ main.cpp:62:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i+1 ; j<bune.size() ; j++) ~^~~~~~~~~~~~ main.cpp:72:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0 ; i<bune.size() ; i++) ~^~~~~~~~~~~~