Compilare: user.cpp: In function ‘void adauga(int, int, int)’: user.cpp:20:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<legaturi[nod].size() ;i++) ^ user.cpp: In function ‘int main()’: user.cpp:32:19: warning: unused variable ‘doi’ [-Wunused-variable] int n,i,m,x,y,doi,trei; ^ user.cpp:32:23: warning: unused variable ‘trei’ [-Wunused-variable] int n,i,m,x,y,doi,trei; ^