Compilare: user.cpp: In function ‘bool final(int)’: user.cpp:23:8: warning: unused variable ‘j’ [-Wunused-variable] int i,j,full=1,k=0,aux=now; ^ user.cpp: In function ‘void construct()’: user.cpp:52:15: warning: unused variable ‘nou’ [-Wunused-variable] int now,nowl,nou,aux,k,p; ^ user.cpp: In function ‘void toposort(int)’: user.cpp:107:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nod].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:126:6: warning: unused variable ‘i’ [-Wunused-variable] int i,T=0,a=0; ^