Compilare: user.cpp: In function ‘int main()’: user.cpp:9:29: warning: format ‘%f’ expects argument of type ‘float*’, but argument 3 has type ‘double*’ [-Wformat=] fscanf(fi,"%f%f", &n, &m); ^ user.cpp:9:29: warning: format ‘%f’ expects argument of type ‘float*’, but argument 4 has type ‘double*’ [-Wformat=] user.cpp:9:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%f%f", &n, &m); ^