Compilare: main.cpp: In function 'void Do(int)': main.cpp:64:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Ad[nod].size();++i) ~^~~~~~~~~~~~~~~ main.cpp:70:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(P>=pv ) ^ main.cpp:88:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Lanterna.size();++i)w_max=min(w_max,Lanterna[i]); ~^~~~~~~~~~~~~~~~