Compilare: user.cpp: In function ‘void Parcurgere(long int)’: user.cpp:35:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( i=0; i<v[nod1].size(); i++ ){ ^ user.cpp: In function ‘void Citire()’: user.cpp:15:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld\n",&N); ^ user.cpp:17:36: 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); ^