Compilare: user.cpp: In function ‘int main()’: user.cpp:16:32: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 3 has type ‘long long int*’ [-Wformat=] fscanf(in, "%ld%ld", &x, &y); ^ user.cpp:16:32: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 4 has type ‘long long int*’ [-Wformat=] user.cpp:16:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%ld%ld", &x, &y); ^