Compilare: user.cpp: In function ‘bool EsteEulerian()’: user.cpp:45:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<v[nod].size();j++) ^ user.cpp: In function ‘void Citire()’: user.cpp:22:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld %ld\n",&N,&M); ^ user.cpp:25:36: 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); ^