Compilare: user.cpp: In function ‘int main()’: user.cpp:20:37: warning: format ‘%lf’ expects argument of type ‘double*’, but argument 3 has type ‘bool*’ [-Wformat=] fscanf(fin, "%lf%lf", &x, &y); ^ user.cpp:20:37: warning: format ‘%lf’ expects argument of type ‘double*’, but argument 4 has type ‘bool*’ [-Wformat=] user.cpp:18:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &t); ^ user.cpp:20:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%lf%lf", &x, &y); ^