Compilare: user.cpp: In function ‘void afisare(int)’: user.cpp:12:33: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long int’ [-Wformat=] fprintf(fout, "%d ", arr[a]); ^ user.cpp: In function ‘int main()’: user.cpp:18:12: warning: unused variable ‘max’ [-Wunused-variable] int n, max; ^ user.cpp:19:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:22:57: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i =0; i< n; i++) fscanf(fin, "%ld", &arr[i]); ^