Compilare: main.cpp: In function 'void biconexe(int, int)': main.cpp:66:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<graf[varf].size();i++) ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int putere(int, int)': main.cpp:116:1: warning: control reaches end of non-void function [-Wreturn-type] } ^