Compilare: user.cpp: In function ‘void off()’: user.cpp:34:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(h[1].b+1<drum[h[1].c].size()){ ^ user.cpp: In function ‘void dfs(int)’: user.cpp:60:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Lista[nc].size();i++){ ^ user.cpp:66:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<Lista[nc].size();i++){ ^