Compilare: main.cpp: In function 'bool test(int)': main.cpp:47:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(0 < q.size() || vp < v.size()){ ~~~^~~~~~~~~~ main.cpp:51:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(vp == v.size()) { ~~~^~~~~~~~~~~ main.cpp:65:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0 ; h < g[node].size() ; h++){ ~~^~~~~~~~~~~~~~~~ main.cpp:93:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0 ; h < g[node].size() ; h++){ ~~^~~~~~~~~~~~~~~~