Compilare: user.cpp: In member function ‘void Triang::ReadData()’: user.cpp:54:26: warning: too many arguments for format [-Wformat-extra-args] fscanf(fin,"d",&N); ^ user.cpp:54:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"d",&N); ^ user.cpp:58:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lf %lf",&x,&y); ^