Compilare: user.cpp: In function ‘DateFii Date(long int)’: user.cpp:70:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nod].size();i++) ^ user.cpp: In function ‘void Citire()’: user.cpp:55:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld %ld\n",&x,&y); ^ user.cpp: In function ‘int main()’: user.cpp:96:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld\n",&N); ^