Compilare: user.cpp: In function ‘int main()’: user.cpp:55:30: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 3 has type ‘int*’ [-Wformat=] fscanf(f, "%hd %hd", &x, &y); ^ user.cpp:55:30: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 4 has type ‘int*’ [-Wformat=] user.cpp:42:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%hd %hd %hd %hd", &n, &m, &a, &b); ^ user.cpp:55:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%hd %hd", &x, &y); ^