Compilare: user.cpp: In function ‘int main()’: user.cpp:33:54: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 4 has type ‘int’ [-Wformat=] fprintf(fout, "%ld %ld\n", a, divn[i]); ^ user.cpp:13:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%ld\n", &n); ^